CN1776019A - Hard composite nano ceramic film cladding for use on engine piston ring sarface - Google Patents
Hard composite nano ceramic film cladding for use on engine piston ring sarface Download PDFInfo
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- CN1776019A CN1776019A CN 200510095480 CN200510095480A CN1776019A CN 1776019 A CN1776019 A CN 1776019A CN 200510095480 CN200510095480 CN 200510095480 CN 200510095480 A CN200510095480 A CN 200510095480A CN 1776019 A CN1776019 A CN 1776019A
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- coating
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- piston ring
- engine piston
- composite nano
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Abstract
The invention relates to hard compounding nm ceramic film coating used on the surface application of engine piston ring. The technology process includes vacuum vaporizing, magnetic controlled sputtering, ion beam sputtering, ion sintering, liquid phase extending, chemical beam extending, molecular beam extending, impulse laser sedimentation, electrochemistry sedimentation, chemical air phase sedimentation and physics air phase sedimentation. The coating is used to modify the surface of engine piston ring surface generating material. The totally HV of the coating is over 3350, and the entire thickness of the coating is below 60mm. The engine piston ring includes gasoline engine piston ring, and diesel engine piston ring.
Description
Technical field
The present invention relates to a kind of coating of the hard composite nano ceramic film that uses in the surface of engine piston ring.
Background technology
Engine piston ring comprises petrol motor engine piston ring, diesel engine piston ring, natural gas engine engine piston ring, ethanol engine engine piston ring, mixed fuel engine engine piston ring etc., these engine piston rings all are to be operated in the complicated rugged environment, so engine piston ring is faced with such as hot strength, resistance to high temperature oxidation, anticorrosive, antiscour, shock resistance, anti-aging, antifatigue, the wear-resistant problem that undermines the work-ing life that prolongs engine piston ring; The processing technology of the deposit solid film of comparative maturity comprises vacuum-evaporation, magnetron sputtering, ion beam sputtering, ion plating, rheotaxy, chemical beam epitaxy, molecular beam epitaxy, pulsed laser deposition, electrochemical deposition, chemical vapour deposition and physical vapor deposition now; And in the processing technique field of present deposit solid film, often only use single thin-film material, and single thin-film material has more limitation, effect is also limited; So, for the surface of improving engine piston ring has good hot strength, resistance to high temperature oxidation, anticorrosive, antiscour, shock resistance, anti-aging, antifatigue, the wear-resistant purpose that undermines the performance in the work-ing life that prolongs engine piston ring, so need a kind of coating of the hard composite nano ceramic film in the utilization of the surface of engine piston ring.
Summary of the invention:
The object of the present invention is to provide a kind of coating of the hard composite nano ceramic film that uses in the surface of engine piston ring.
Technical scheme of the present invention: the present invention is a kind of coating of the hard composite nano ceramic film that uses in the surface of engine piston ring, this coating in the hard composite nano ceramic film of the surface of engine piston ring utilization can utilize the processing technology of general deposit solid film to be realized that the processing technology of this deposit solid film comprises vacuum-evaporation, magnetron sputtering, ion beam sputtering, ion plating, rheotaxy, chemical beam epitaxy, molecular beam epitaxy, pulsed laser deposition, electrochemical deposition, chemical vapour deposition and physical vapor deposition; Should be the technology of utilization deposit solid film in basic skills of the coating of the hard composite nano ceramic film of the surface of engine piston ring utilization, a kind of and more than one the coating of hard composite nano ceramic film in the surface deposition of engine piston ring; The coating of this hard composite nano ceramic film is used so that the surface modification of the surperficial generating material of engine piston ring.
The base target material on the surface of above-mentioned engine piston ring can be a rapid steel; Or the base target material on the surface of above-mentioned engine piston ring can be a highquality carbon steel; Or the base target material on the surface of above-mentioned engine piston ring can be pure titanium; Or the base target material on the surface of above-mentioned engine piston ring can be a superalloy; Or the base target material on the surface of above-mentioned engine piston ring can be a non-ferrous alloy; Or the base target material on the surface of above-mentioned engine piston ring can be a stainless steel; Or the base target material on the surface of above-mentioned engine piston ring can be a special alloy.
The outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses comprises titanium oxide (TiO
2), aluminum oxide (Al
2O
3), zirconium white (ZrO
2), zirconium nitride (ZrN), patina tungsten (WAg), silicon oxide (SiO
2), norbide (B
4C), boron nitride (BN), silicon nitride (Si
3N
4), aluminium nitride (AlN), cobalt oxide (CoO), magnesium oxide (MgO), chromic oxide (Cr
2O
3); The outside coating material of the coating of the film of the hard composite nano ceramic that should use in the surface of engine piston ring has good hot strength, the coating material of the coating of the film of this hard composite nano ceramic also has good resistance to high temperature oxidation, anticorrosive, antiscour, shock resistance, anti-aging, antifatigue, the wear-resistant performance that undermines the work-ing life that prolongs engine piston ring, and the outside coating material of the coating of the film of this hard composite nano ceramic also has the performance of good self-lubricating; The outside coating material of the coating of the film of this hard composite nano ceramic can be selected a kind of use wherein separately; Or the outside coating material of the coating of the film of this hard composite nano ceramic can select several combinations back wherein to use, and reaches the purpose of reinforcement " nano effect ".
The fundamental property of the outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses when a kind of use of selecting separately wherein is: fusing point is between 1600 ℃ to 2850 ℃, hardness is between the 10Gpa to 52Gpa, and density is 2.2g/cm
-3To 5.8g/cm
-3Between, Young's modulus is between the 150Gpa to 670Gpa, coefficient of linear expansion is 0.000002K
-1To 0.0000095K
-1Between, thermal conductivity is 1.2W (mK)
-1To 85W (mK)
-1Between; Fundamental property when the outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses uses in selection several combinations back wherein can improve 1% to 20%.
The inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses comprises titanium nitride (TiN), titanium carbide (TiC), hafnium nitride (HfN), titanium aluminide (TiAl), hafnium carbide (HfC), tantalum carbide (TaC), wolfram varbide (WC), TiAlN (TiAlN), TiCN (TiCN), zirconium aluminium titanium (TiAlZr), niobium aluminium titanium (TiAlNb), nickel zirconium titanium (TiZrNi), nickel aluminide (NiAl), titanium boride (TiB
2); The inter-metallic compound material of the coating of the hard composite nano ceramic that should use in the surface of engine piston ring is the diffusion transition layer between hard composite nano ceramic film and the base target material, make the inter-metallic compound material of the coating of this hard composite nano ceramic have the hard composite nano ceramic film of assurance and good adhesion property can be arranged for the base target material, also make the inter-metallic compound material of the coating of this hard composite nano ceramic have the effect of the unrelieved stress of eliminating hard composite nano ceramic film, the inter-metallic compound material of the coating of this hard composite nano ceramic is had improve the anti-aging of hard composite nano ceramic film, the function of antifatigue and anti-impact force; The inter-metallic compound material of the coating of the film of this hard composite nano ceramic can be selected a kind of use wherein separately; Or the inter-metallic compound material of the coating of the film of this hard composite nano ceramic can select several combinations back wherein to use, and reaches the purpose of reinforcement " nano effect ".
The fundamental property of the inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses when a kind of use of selecting separately wherein is: fusing point is between 2750 ℃ to 4050 ℃, hardness is between the 15Gpa to 31Gpa, and density is 4.42g/cm
-3To 15.9g/cm
-3Between, Young's modulus is between the 450Gpa to 730Gpa, coefficient of linear expansion is 0.0000039K
-1To 0.00000955K
-1Between, thermal conductivity is 12W (mK)
-1To 35W (mK)
-1Between; Fundamental property when the inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses uses in selection several combinations back wherein can improve 1% to 20%.
The basic technology method of the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring is as follows; A, the surface of engine piston ring is cleaned with volatile organic solvent and by ultrasonic wave, to remove various dirts; B, can select to utilize a kind of technology of finishing whole coating wherein in the processing technology of above-mentioned general substantially deposit solid film; C, at first with the inter-metallic compound material of the coating of the film of the hard composite nano ceramic of selected material kind and prescription, on the base target material on the surface of engine piston ring, form the film of the inter-metallic compound material of several layers nanostructure, be 5 nanometer to 100 nanometers the modified and modulation period of the film of each layer inter-metallic compound material, thickness with the film of controlling each layer inter-metallic compound material, reach the purpose of reinforcement " nano effect ", the integral thickness of the film of this inter-metallic compound material is no more than 30 microns; D, afterwards with the outside coating material of the coating of the film of the hard composite nano ceramic of selected material kind and prescription, on the film of the inter-metallic compound material on the surface of above-mentioned engine piston ring, form the film of the outside coating material of several layers nanostructure, be 5 nanometer to 100 nanometers the modified and modulation period of the film of the outside coating material of each layer, thickness with the film of controlling the outside coating material of each layer, reach the purpose of reinforcement " nano effect ", the integral thickness of the film of this outside coating material is no more than 30 microns; E, after through the unrelieved stress of naturally cooling with the coating of eliminating this hard composite nano ceramic, promptly finish the basic technology method of coating of hard composite nano ceramic film of the surface utilization of this engine piston ring.
The overall vickers hardness hv of the coating of the hard composite nano ceramic film that should use in the surface of engine piston ring is not less than 3350.
The integral thickness of the coating of the hard composite nano ceramic film that should use in the surface of engine piston ring is no more than 60 microns.
Above-mentioned engine piston ring comprises petrol motor engine piston ring, diesel engine piston ring, natural gas engine engine piston ring, ethanol engine engine piston ring, mixed fuel engine engine piston ring.
The present invention has positive result of use: because this coating in the hard composite nano ceramic film of the surface of engine piston ring utilization can utilize the processing technology of general deposit solid film to be realized that the processing technology of this deposit solid film comprises vacuum-evaporation, magnetron sputtering, ion beam sputtering, ion plating, rheotaxy, chemical beam epitaxy, molecular beam epitaxy, pulsed laser deposition, electrochemical deposition, chemical vapour deposition and physical vapor deposition; Should be the technology of utilization deposit solid film in basic skills of the coating of the hard composite nano ceramic film of the surface of engine piston ring utilization, a kind of and more than one the coating of hard composite nano ceramic film in the surface deposition of engine piston ring; The coating of this hard composite nano ceramic film is used so that the surface modification of the surperficial generating material of engine piston ring; The base target material on the surface of above-mentioned engine piston ring can be a rapid steel; Or the base target material on the surface of above-mentioned engine piston ring can be a highquality carbon steel; The outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses comprises titanium oxide (TiO
2), zirconium white (ZrO
2), zirconium nitride (ZrN), patina tungsten (WAg), norbide (B
4C), boron nitride (BN), aluminium nitride (AlN), cobalt oxide (CoO), chromic oxide (Cr
2O
3); The outside coating material of the coating of the film of the hard composite nano ceramic that should use in the surface of engine piston ring has good hot strength, the coating material of the coating of the film of this hard composite nano ceramic also has good resistance to high temperature oxidation, anticorrosive, antiscour, shock resistance, anti-aging, antifatigue, the wear-resistant performance that undermines the work-ing life that prolongs engine piston ring, and the outside coating material of the coating of the film of this hard composite nano ceramic also has the performance of good self-lubricating; The outside coating material of the coating of the film of this hard composite nano ceramic can be selected a kind of use wherein separately; Or the outside coating material of the coating of the film of this hard composite nano ceramic can select several combinations back wherein to use, and reaches the purpose of reinforcement " nano effect "; The fundamental property of the outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses when a kind of use of selecting separately wherein is: fusing point is between 1600 ℃ to 2850 ℃, hardness is between the 10Gpa to 52Gpa, and density is 2.2g/cm
-3To 5.8g/cm
-3Between, Young's modulus is between the 150Gpa to 670Gpa, coefficient of linear expansion is 0.000002K
-1To 0.0000095K
-1Between, thermal conductivity is 1.2W (mK)
-1To 85W (mK)
-1Between; Fundamental property when the outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses uses in selection several combinations back wherein can improve 1% to 20%; The inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses comprises titanium nitride (TiN), titanium carbide (TiC), hafnium nitride (HfN), hafnium carbide (HfC), tantalum carbide (TaC), TiAlN (TiAlN), TiCN (TiCN), niobium aluminium titanium (TiAlNb), nickel aluminide (NiAl); The inter-metallic compound material of the coating of the hard composite nano ceramic that should use in the surface of engine piston ring is the diffusion transition layer between hard composite nano ceramic film and the base target material, make the inter-metallic compound material of the coating of this hard composite nano ceramic have the hard composite nano ceramic film of assurance and good adhesion property can be arranged for the base target material, also make the inter-metallic compound material of the coating of this hard composite nano ceramic have the effect of the unrelieved stress of eliminating hard composite nano ceramic film, the inter-metallic compound material of the coating of this hard composite nano ceramic is had improve the anti-aging of hard composite nano ceramic film, the function of antifatigue and anti-impact force; The inter-metallic compound material of the coating of the film of this hard composite nano ceramic can be selected a kind of use wherein separately; Or the inter-metallic compound material of the coating of the film of this hard composite nano ceramic can select several combinations back wherein to use, and reaches the purpose of reinforcement " nano effect "; The fundamental property of the inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses when a kind of use of selecting separately wherein is: fusing point is between 2750 ℃ to 4050 ℃, hardness is between the 15Gpa to 31Gpa, and density is 4.42g/cm
-3To 15.9g/cm
-3Between, Young's modulus is between the 450Gpa to 730Gpa, coefficient of linear expansion is 0.0000039K
-1To 0.00000955K
-1Between, thermal conductivity is 12W (mK)
-1To 35W (mK)
-1Between; Fundamental property when the inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses uses in selection several combinations back wherein can improve 1% to 20%; The overall vickers hardness hv of the coating of the hard composite nano ceramic film that should use in the surface of engine piston ring is not less than 3350; The integral thickness of the coating of the hard composite nano ceramic film that should use in the surface of engine piston ring is no more than 60 microns; Above-mentioned engine piston ring comprises petrol motor engine piston ring, diesel engine piston ring, natural gas engine engine piston ring, ethanol engine engine piston ring, mixed fuel engine engine piston ring; So can reach after the surface of engine piston ring has used the coating of hard composite nano ceramic film, the coating of this hard composite nano ceramic film can make the surface modification of the surperficial generating material of engine piston ring, thereby the surface of having improved engine piston ring has good hot strength, resistance to high temperature oxidation, anticorrosive, antiscour, shock resistance, anti-aging, antifatigue, the wear-resistant purpose that undermines the performance in the work-ing life that prolongs engine piston ring.The present invention is the coating of a kind of widely hard composite nano ceramic film in the utilization of the surface of engine piston ring of safe and reliable, stable performance, utilization.
Embodiment
Embodiment
The coating of the compound nano ceramics film of hard that a kind of surface in the engine pistons ring of the present embodiment of the present invention uses meets Its Relevant Technology Standards; The process of the present embodiment of the present invention is as follows: the coating of the compound nano ceramics film of hard that this surface in the engine pistons ring uses can utilize the process technology of general deposit solid film to be realized, the process technology of this deposit solid film comprises vacuum evaporation, magnetron sputtering, ion beam sputtering, ion plating, liquid phase epitaxy, chemical beam epitaxy, molecular beam epitaxy, pulsed laser deposition, electrochemical deposition, chemical vapour deposition (CVD) and physical vapour deposition (PVD); The basic skills of the coating of the compound nano ceramics film of hard that should use in the surface of engine pistons ring is to use the technology of deposit solid film, a kind of and more than one the coating of the compound nano ceramics film of hard in the surface deposition of engine pistons ring, in the present embodiment, can select in more than one the coating of the compound nano ceramics film of hard of the surface deposition of engine pistons ring; The coating of the compound nano ceramics film of this hard is used so that the surface modification of material occurs on the surface of engine pistons ring; In the present embodiment, can select the substrate target material on the surface of above-mentioned engine pistons ring can be Fine Steel Casting iron; In other embodiments, maybe can select the substrate target material on the surface of above-mentioned engine pistons ring can be high-speed steel; The substrate target material that maybe can select the surface of above-mentioned engine pistons ring can be pure titanium; The substrate target material that maybe can select the surface of above-mentioned engine pistons ring can be high temperature alloy; The substrate target material that maybe can select the surface of above-mentioned engine pistons ring can be non-ferrous alloy; The substrate target material that maybe can select the surface of above-mentioned engine pistons ring can be stainless steel; The substrate target material that maybe can select the surface of above-mentioned engine pistons ring can be special alloy; The outside coating material of the coating of the film of the compound nano ceramics of hard that the above-mentioned surface in the engine pistons ring uses comprises titanium oxide (TiO2), aluminium oxide (Al2O
3), zirconia (ZrO2), zirconium nitride (ZrN), patina tungsten (WAg), silica (SiO2), boron carbide (B4C), boron nitride (BN), silicon nitride (Si3N
4), aluminium nitride (AlN), cobalt oxide (CoO), magnesia (MgO), chromium oxide (Cr2O
3); The outside coating material of the coating of the film of the compound nano ceramics of hard that should use in the surface of engine pistons ring has good elevated temperature strength, the coating material of the coating of the film of the compound nano ceramics of this hard also has good resistance to high temperature oxidation, anticorrosive, antiscour, shock resistance, anti-aging, antifatigue, the wear-resistant performance that undermines the service life that extends the engine pistons ring, and the outside coating material of the coating of the film of the compound nano ceramics of this hard also has the performance of good self-lubricating; In the present embodiment, can select the outside coating material of coating of the film of the compound nano ceramics of this hard can select to use after wherein several combinations, selected outside coating material is titanium oxide (TiO2), zirconia (ZrO2) and chromium oxide (Cr2O
3), the formula of the outside coating material that this is selected is 45% (TiO2), 35% zirconia (ZrO2) and 20% chromium oxide (Cr2O
3), reach the purpose of reinforcement " nanometer effect "; In other embodiments, maybe can select the outside coating material of coating of the film of the compound nano ceramics of this hard can select separately wherein a kind of use; The key property of the outside coating material of the coating of the film of the compound nano ceramics of hard that the above-mentioned surface in the engine pistons ring uses when a kind of use of selecting separately wherein is: fusing point is between 1600 ℃ to 2850 ℃, hardness is between 10Gpa to 52Gpa, and density is 2.2g/cm-3To 5.8g/cm-3Between, Young's modulus is between 150Gpa to 670Gpa, linear expansion coefficient is 0.000002K-1To 0.0000095K-1Between, thermal conductivity is 1.2W (mK)-1To 85W (mK)-1Between; The key property of the outside coating material of the coating of the film of the compound nano ceramics of hard that the above-mentioned surface in the engine pistons ring uses when selection several combinations are wherein used afterwards can improve 1% to 20%, in the present embodiment, and 45% (TiO2), 35% zirconia (ZrO2) and 20% chromium oxide (Cr2O
3) the key property of three kinds of combinations while using afterwards can improve 5% left and right; The intermetallic compound material of the coating of the film of the compound nano ceramics of hard that the above-mentioned surface in the engine pistons ring uses comprises titanium nitride (TiN), titanium carbide (TiC), hafnium nitride (HfN), calorize titanium (TiAl), hafnium carbide (HfC), ramet (TaC), tungsten carbide (WC), TiAlN (TiAlN), TiCN (TiCN), zirconium aluminium titanium (TiAlZr), niobium aluminium titanium (TiAlNb), nickel zirconium titanium (TiZrNi), calorize nickel (NiAl), titanium boride (TiB2), the intermetallic compound material of the coating of the compound nano ceramics of hard that should use in the surface of engine pistons ring is the diffusion transition layer between the compound nano ceramics film of hard and substrate target material, make the intermetallic compound material of the coating of the compound nano ceramics of this hard have the compound nano ceramics film of the hard of assurance, for the substrate target material, good adhesion property can be arranged, also make the intermetallic compound material of the coating of the compound nano ceramics of this hard have the effect of the residual stress of eliminating the compound nano ceramics film of hard, also make the intermetallic compound material of the coating of the compound nano ceramics of this hard have the anti-aging of the compound nano ceramics film of raising hard, the function of antifatigue and anti-impact force, in the present embodiment, can select the intermetallic compound material of coating of the film of the compound nano ceramics of this hard can select to use after wherein several combinations, selected intermetallic compound material is titanium nitride (TiN), calorize nickel (NiAl) and hafnium nitride (HfN), the formula of intermetallic compound material that should be selected is 35% titanium nitride (TiN), 35% calorize nickel (NiAl) and 30% hafnium nitride (HfN), reaches the purpose of reinforcement " nanometer effect ", in other embodiments, maybe can select the intermetallic compound material of coating of the film of the compound nano ceramics of this hard can select separately wherein a kind of use, the key property of the intermetallic compound material of the coating of the film of the compound nano ceramics of hard that the above-mentioned surface in the engine pistons ring uses when a kind of use of selecting separately wherein is: fusing point is between 2750 ℃ to 4050 ℃, hardness is between 15Gpa to 31Gpa, and density is 4.42g/cm-3To 15.9g/cm-3Between, Young's modulus is between 450Gpa to 730Gpa, linear expansion coefficient is 0.0000039K-1To 0.00000955K-1Between, thermal conductivity is 12W (mK)-1To 35W (mK)-1between, the key property of the intermetallic compound material of the coating of the film of the compound nano ceramics of hard that the above-mentioned surface in the engine pistons ring uses when selection several combinations are wherein used afterwards can improve 1% to 20%, key property when in the present embodiment, three kinds of combinations of 35% titanium nitride (TiN), 35% calorize nickel (NiAl) and 30% hafnium nitride (HfN) are used afterwards can improve 3.5% left and right, the basic technology method of the coating of the compound nano ceramics film of hard that uses in the surface of engine pistons ring is as follows, A, the surface of engine pistons ring is cleaned with volatile organic solvent and by ultrasonic wave, to remove various dirts, B, can select to utilize a kind of technique of completing whole coating wherein in the process technology of above-mentioned substantially general deposit week body thin film, in the present embodiment, the process technology that can select is pulsed laser deposition, C, at first will select the intermetallic compound material of coating of film of the compound nano ceramics of hard of material category and formula, form the film of the intermetallic compound material of some layers of nanostructured on the substrate target material on the surface of engine pistons ring, be 5 nanometer to 100 nanometers the modified and modulation period of the film of every one deck intermetallic compound material, thickness with the film of controlling every one deck intermetallic compound material, reach the purpose of reinforcement " nanometer effect ", the whole thickness of the film of this intermetallic compound material is no more than 30 microns, in the present embodiment, can select to form the film of 15 layers of material of the intermetallic compound to 18 layers of nanostructured on the substrate target material on the surface of engine pistons ring, be 50 nanometer left and right the modified and modulation period of the film of every one deck intermetallic compound material, thickness with the film of controlling every one deck intermetallic compound material, reach the purpose of reinforcement " nanometer effect ", the whole thickness of the film of this intermetallic compound material is no more than 12.5 microns, D, to select afterwards the outside coating material of coating of film of the compound nano ceramics of hard of material category and formula, form the film of the outside coating material of some layers of nanostructured on the film of the intermetallic compound material on the surface of above-mentioned engine pistons ring, be 5 nanometer to 100 nanometers the modified and modulation period of the film of the outside coating material of every one deck, thickness with the film of controlling the outside coating material of every one deck, reach the purpose of reinforcement " nanometer effect ", the whole thickness of the film of this outside coating material is no more than 30 microns, in the present embodiment, can select to form 12 layers of film to the outside coating material of 16 layers of nanostructured on the intermetallic compound material on the surface of engine pistons ring, be 55 nanometer left and right the modified and modulation period of the film of the outside coating material of every one deck, thickness with the film of controlling the outside coating material of every one deck, reach the purpose of reinforcement " nanometer effect ", the whole thickness of the film of this outside coating material is no more than 12.8 microns, E, after the cooling residual stress with the coating of eliminating the compound nano ceramics of this hard through nature, namely complete the basic technology method of the coating of the compound nano ceramics film of hard that the surface of this engine pistons ring uses, the overall vickers hardness hv of the coating of the compound nano ceramics film of hard that should use in the surface of engine pistons ring is not less than 3350, and in the present embodiment, the overall vickers hardness hv of the coating of the compound nano ceramics film of this hard can be controlled at 3400 left and right, the whole thickness of the coating of the compound nano ceramics film of hard that should use in the surface of engine pistons ring is no more than 60 microns, in the present embodiment, the whole thickness of the coating of the compound nano ceramics film of this hard can be controlled at 25 microns left and right, above-mentioned engine pistons ring comprises gasoline engine engine pistons ring, diesel engine engine pistons ring, natural gas engine engine pistons ring, ethanol engine engine piston ring, mixed fuel engine engine pistons ring, in the present embodiment, can be chosen as gasoline engine engine pistons ring, so can reach after the surface of engine pistons ring has used the coating of the compound nano ceramics film of hard, the coating of the compound nano ceramics film of this hard can make the surface of engine pistons ring that the surface modification of material occurs, thereby the surface of having improved the engine pistons ring has good elevated temperature strength, resistance to high temperature oxidation, anticorrosive, antiscour, shock resistance, anti-aging, antifatigue, the wear-resistant purpose that undermines the performance in the service life that extends the engine pistons ring.
The present invention is the coating of a kind of widely hard composite nano ceramic film in the utilization of the surface of engine piston ring of safe and reliable, stable performance, utilization.
Claims (10)
1, a kind of coating of the hard composite nano ceramic film that uses in the surface of engine piston ring, the coating of the hard composite nano ceramic film of the surface utilization of book engine piston ring can utilize the processing technology of general deposit solid film to be realized that the processing technology of this deposit solid film comprises vacuum-evaporation, magnetron sputtering, ion beam sputtering, ion plating, rheotaxy, chemical beam epitaxy, molecular beam epitaxy, pulsed laser deposition, electrochemical deposition, chemical vapour deposition and physical vapor deposition; It is characterized in that: should be the technology of utilization deposit solid film in basic skills of the coating of the hard composite nano ceramic film of the surface of engine piston ring utilization, a kind of and more than one the coating of hard composite nano ceramic film in the surface deposition of engine piston ring; The coating of this hard composite nano ceramic film is used so that the surface modification of the surperficial generating material of engine piston ring.
2, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 1, it is characterized in that: the base target material on the surface of above-mentioned engine piston ring can be a rapid steel; Or the base target material on the surface of above-mentioned engine piston ring can be a highquality carbon steel; Or the base target material on the surface of above-mentioned engine piston ring can be pure titanium; Or the base target material on the surface of above-mentioned engine piston ring can be a superalloy; Or the base target material on the surface of above-mentioned engine piston ring can be a non-ferrous alloy; Or the base target material on the surface of above-mentioned engine piston ring can be a stainless steel; Or the base target material on the surface of above-mentioned engine piston ring can be a special alloy.
3, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 1 is characterized in that: the outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses comprises titanium oxide (TiO
2), aluminum oxide (Al
2O
3), zirconium white (ZrO
2), zirconium nitride (ZrN), patina tungsten (WAg), silicon oxide (SiO
2), norbide (B
4C), boron nitride (BN), silicon nitride (Si
3N
4), aluminium nitride (AlN), cobalt oxide (CoO), magnesium oxide (MgO), chromic oxide (Cr
2O
3); The outside coating material of the coating of the film of the hard composite nano ceramic that should use in the surface of engine piston ring has good hot strength, the coating material of the coating of the film of this hard composite nano ceramic also has good resistance to high temperature oxidation, anticorrosive, antiscour, shock resistance, anti-aging, antifatigue, the wear-resistant performance that undermines the work-ing life that prolongs engine piston ring, and the outside coating material of the coating of the film of this hard composite nano ceramic also has the performance of good self-lubricating; The outside coating material of the coating of the film of this hard composite nano ceramic can be selected a kind of use wherein separately; Or the outside coating material of the coating of the film of this hard composite nano ceramic can select several combinations back wherein to use, and reaches the purpose of reinforcement " nano effect ".
4, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 3, it is characterized in that: the fundamental property of the outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses when a kind of use of selecting separately wherein is: fusing point is between 1600 ℃ to 2850 ℃, hardness is between the 10Gpa to 52Gpa, and density is 2.2g/cm
-3To 5.8g/cm
-3Between, Young's modulus is between the 150Gpa to 670Gpa, coefficient of linear expansion is 0.000002K
-1To 0.0000095K
-1Between, thermal conductivity is 1.2W (mK)
-1To 85W (mK)
-1Between; Fundamental property when the outside coating material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses uses in selection several combinations back wherein can improve 1% to 20%.
5, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 1 is characterized in that: the inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses comprises titanium nitride (TiN), titanium carbide (TiC), hafnium nitride (HfN), titanium aluminide (TiAl), hafnium carbide (HfC), tantalum carbide (TaC), wolfram varbide (WC), TiAlN (TiAlN), TiCN (TiCN), zirconium aluminium titanium (TiAlZr), niobium aluminium titanium (TiAlNb), nickel zirconium titanium (TiZrNi), nickel aluminide (NiAl), titanium boride (TiB
2); The inter-metallic compound material of the coating of the hard composite nano ceramic that should use in the surface of engine piston ring is the diffusion transition layer between hard composite nano ceramic film and the base target material, make the inter-metallic compound material of the coating of this hard composite nano ceramic have the hard composite nano ceramic film of assurance and good adhesion property can be arranged for the base target material, also make the inter-metallic compound material of the coating of this hard composite nano ceramic have the effect of the unrelieved stress of eliminating hard composite nano ceramic film, the inter-metallic compound material of the coating of this hard composite nano ceramic is had improve the anti-aging of hard composite nano ceramic film, the function of antifatigue and anti-impact force; The inter-metallic compound material of the coating of the film of this hard composite nano ceramic can be selected a kind of use wherein separately; Or the inter-metallic compound material of the coating of the film of this hard composite nano ceramic can select several combinations back wherein to use, and reaches the purpose of reinforcement " nano effect ".
6, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 5, it is characterized in that: the fundamental property of the inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses when a kind of use of selecting separately wherein is: fusing point is between 2750 ℃ to 4050 ℃, hardness is between the 15Gpa to 31Gpa, and density is 4.42g/cm
-3To 15.9g/cm
-3Between, Young's modulus is between the 450Gpa to 730Gpa, coefficient of linear expansion is 0.0000039K
-1To 0.00000955K
-1Between, thermal conductivity is 12W (mK)
-1To 35W (mK)
-1Between; Fundamental property when the inter-metallic compound material of the coating of the film of the hard composite nano ceramic that the above-mentioned surface in engine piston ring uses uses in selection several combinations back wherein can improve 1% to 20%.
7, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 1 is characterized in that: the basic technology method of the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring is as follows; A, the surface of engine piston ring is cleaned with volatile organic solvent and by ultrasonic wave, to remove various dirts; B, can select to utilize a kind of technology of finishing whole coating wherein in the processing technology of above-mentioned general substantially deposit solid film; C, at first with the inter-metallic compound material of the coating of the film of the hard composite nano ceramic of selected material kind and prescription, on the base target material on the surface of engine piston ring, form the film of the inter-metallic compound material of several layers nanostructure, be 5 nanometer to 100 nanometers the modified and modulation period of the film of each layer inter-metallic compound material, thickness with the film of controlling each layer inter-metallic compound material, reach the purpose of reinforcement " nano effect ", the integral thickness of the film of this inter-metallic compound material is no more than 30 microns; D, afterwards with the outside coating material of the coating of the film of the hard composite nano ceramic of selected material kind and prescription, on the film of the inter-metallic compound material on the surface of above-mentioned engine piston ring, form the film of the outside coating material of several layers nanostructure, be 5 nanometer to 100 nanometers the modified and modulation period of the film of the outside coating material of each layer, thickness with the film of controlling the outside coating material of each layer, reach the purpose of reinforcement " nano effect ", the integral thickness of the film of this outside coating material is no more than 30 microns; E, after through the unrelieved stress of naturally cooling with the coating of eliminating this hard composite nano ceramic, promptly finish the basic technology method of coating of hard composite nano ceramic film of the surface utilization of this engine piston ring.
8, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 1 is characterized in that: the overall vickers hardness hv of the coating of the hard composite nano ceramic film that should use in the surface of engine piston ring is not less than 3350.
9, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 1 is characterized in that: the integral thickness of the coating of the hard composite nano ceramic film that should use in the surface of engine piston ring is no more than 60 microns.
10, the coating of the hard composite nano ceramic film that uses in the surface of engine piston ring according to claim 1, it is characterized in that: above-mentioned engine piston ring comprises petrol motor engine piston ring, diesel engine piston ring, natural gas engine engine piston ring, ethanol engine engine piston ring, mixed fuel engine engine piston ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510095480 CN1776019A (en) | 2005-11-18 | 2005-11-18 | Hard composite nano ceramic film cladding for use on engine piston ring sarface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510095480 CN1776019A (en) | 2005-11-18 | 2005-11-18 | Hard composite nano ceramic film cladding for use on engine piston ring sarface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1776019A true CN1776019A (en) | 2006-05-24 |
Family
ID=36765729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510095480 Withdrawn CN1776019A (en) | 2005-11-18 | 2005-11-18 | Hard composite nano ceramic film cladding for use on engine piston ring sarface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1776019A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047834A (en) * | 2014-07-03 | 2014-09-17 | 肇庆匹思通机械有限公司 | Piston ring for rolling piston compressor of air conditioner and preparation method thereof |
| CN104388933A (en) * | 2014-08-21 | 2015-03-04 | 肇庆匹思通机械有限公司 | Piston ring for heat insulation wear-resistant air-conditioning rolling piston compressor and preparation method of piston ring |
| CN104471105A (en) * | 2012-06-29 | 2015-03-25 | 马勒金属立夫有限公司 | Sliding element and internal combustion engine |
| CN104674095A (en) * | 2015-02-11 | 2015-06-03 | 安徽华通铸业有限公司 | Alloy piston material based on casting |
| CN105452736A (en) * | 2013-08-01 | 2016-03-30 | 马勒金属立夫有限公司 | Piston ring and method for manufacturing same |
-
2005
- 2005-11-18 CN CN 200510095480 patent/CN1776019A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104471105A (en) * | 2012-06-29 | 2015-03-25 | 马勒金属立夫有限公司 | Sliding element and internal combustion engine |
| CN105452736A (en) * | 2013-08-01 | 2016-03-30 | 马勒金属立夫有限公司 | Piston ring and method for manufacturing same |
| CN105452736B (en) * | 2013-08-01 | 2018-02-23 | 马勒金属立夫有限公司 | Piston ring and the method for manufacturing piston ring |
| CN104047834A (en) * | 2014-07-03 | 2014-09-17 | 肇庆匹思通机械有限公司 | Piston ring for rolling piston compressor of air conditioner and preparation method thereof |
| CN104388933A (en) * | 2014-08-21 | 2015-03-04 | 肇庆匹思通机械有限公司 | Piston ring for heat insulation wear-resistant air-conditioning rolling piston compressor and preparation method of piston ring |
| CN104674095A (en) * | 2015-02-11 | 2015-06-03 | 安徽华通铸业有限公司 | Alloy piston material based on casting |
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