CN105216394A - A kind of High Performance W/steel composite material based on high temperature application and preparation method thereof - Google Patents
A kind of High Performance W/steel composite material based on high temperature application and preparation method thereof Download PDFInfo
- Publication number
- CN105216394A CN105216394A CN201510725625.9A CN201510725625A CN105216394A CN 105216394 A CN105216394 A CN 105216394A CN 201510725625 A CN201510725625 A CN 201510725625A CN 105216394 A CN105216394 A CN 105216394A
- Authority
- CN
- China
- Prior art keywords
- layer
- steel
- composite material
- tungsten
- high performance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/18—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/22—Nickel or cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/30—Iron, e.g. steel
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention relates to a kind of High Performance W/steel composite material based on high temperature application and preparation method thereof; Belong to technical field of composite preparation.The present invention will solve existing tungsten/steel fastener to there is joint residual stress greatly, and intensity is low, the problem that poor heat resistance is high with being connected temperature.Described High Performance W/steel composite material is arranged in order by tungsten basic unit, titanium layer, niobium layer, nickel dam, base steel layer and is prepared from by welding method.The present invention presses the stacked system of tungsten basic unit/titanium layer/niobium layer/nickel dam/base steel layer, after tungsten basic unit, titanium layer, niobium layer, nickel dam, base steel layer being superposed successively, carries out diffusion in vacuum connection, obtains High Performance W/steel composite material.Gained High Performance W/steel composite material mechanical properties of the present invention is more than or equal to 352MPa, is more than or equal to 338MPa the hot strength of 650 DEG C.Reasonable in design of the present invention, technique is simple, be convenient to scale application.The present invention simultaneously can be widely used in refractory metal and be connected with the diffusion of other metal foreign material.
Description
Technical field
The present invention relates to a kind of High Performance W/steel composite material based on high temperature application and preparation method thereof; Belong to technical field of composite preparation.
Background technology
Tungsten has high density, high rigidity, high strength, the excellent specific property such as high temperature resistant and corrosion-resistant, is widely used in the fields such as Aero-Space, weaponry, the energy and electronics.Due to the intrinsic fragility of tungsten and the restriction of preparation method, be difficult to obtain large scale and complex-shaped pure tungsten component, Developing Tungsten/steel composites structure carrys out the ease of use that alternative full tungsten structure not only can increase parts, comprehensively can also play the performance advantage of each connecting material.But, the thermophysical property of tungsten and steel and mechanical property difference are comparatively large, and cause the weldability of tungsten and steel poor, quality of connection is not high, the fusing point of such as tungsten is higher than steel nearly 2000 DEG C, adopt conventional fused welding technology cannot realize tungsten to be connected with the reliable of steel, in addition, tungsten differs 3 times with the thermal coefficient of expansion of steel, elastic modelling quantity differs 2 times, after high temperature conjunction, produce very large residual stress, cause joint performance to decline, stretching (or shearing) intensity of jointing is generally 120 ~ 270MPa.
At present, what the interconnection technique of tungsten and steel grew up mainly contains soldering and vacuum diffusion welding.Soldering due to serviceability temperature lower, the instructions for use at high temperature of tungsten/steel fastener can not be met.In addition, soldering is too high owing to connecting temperature (1150 DEG C), can cause grain coarsening and phase transformation in steel, cause material property to reduce.Diffusion in vacuum interconnection technique, owing to having the excellent connection practicality such as low temperature connection, applied at elevated temperature, becomes one of most effective method of connecting dissimilar material.When tungsten and steel spread and be connected, due to thermophysical property difference large between tungsten and steel, improve jointing interface microstructure and stress state, to improve jointing quality usually through interpolation intermediate layer.
Document " Effectofjoiningtemperatureonthemicrostructureandstrength oftungsten/ferriticsteeljointsdiffusionbondedwithanickel interlayer; ZhongZH; JungH; HinokiT, KohyamaA.:JournalofMaterialsProcessingTechnology2010; 210:p.1805-1810. " and " Effectofholdingtimeonthemicrostructureandstrengthoftungs ten/ferriticsteeljointsdiffusionbondedwithanickelinterla yer, ZhongZH, HinokiT, KohyamaA.:MaterialsScienceandEngineeringA2009; 518:p.167-173. " stop tungsten and steel directly to spread to be connected and generate brittle intermetallic thing by adding Ni and alleviate joint residual stress, but obtained tungsten/Ni/ steel jointing interface easily generates Ni
4w brittlement phase, this coupling internal memory, in larger residual stress, causes jointing performance not high, and the most high tensile of joint is only 215MPa.
Document " DiffusionbondingbetweenWandEUROFER97usingVinterlayer, BasukiWW, AktaaJ.:JournalofNuclearMaterials2012; 429:p.335-340. " and " Investigationoftungsten/EUROFER97diffusionbondingusingNb interlayer, BasukiWW, AktaaJ.:FusionEngineeringandDesign2011; 86:p.2585-2588. " adopt V and Nb to improve the diffusion quality of connection of tungsten and steel as intermediate layer respectively, joint mechanical properties reaches as high as 207MPa and 272MPa respectively, but a large amount of metal carbides (Nb of jointing Interface debond
2c, Nb
6c
5or V
2c) the further raising of joint performance is limited.
Yang Zonghui etc. are in Rare Metals Materials and engineering (2015,44 (3): 708-702) and mechanical engineering journal (2013,49 (4): 58-63) upper report: adopt tungsten Penetrator intermediate layer, achieve the high quality bond of tungsten and steel, joint peak shear strength can reach 286MPa, but linkage interface composition is complicated, joint performance needs to be improved further.
In sum, tungsten/steel diffusion connects due to thermophysical property difference large between tungsten and steel, and cause connecting rear joint residual stress large, linkage interface easily generates the harmful phase such as high hard brittle intermetallic thing, causes joint performance to decline.At present, also do not have the technique of comparative maturity can realize tungsten to be connected with the high-performance of steel.In addition, the heat resistance of raising to jointing of superhigh temperature tungsten materials application environment temperature proposes requirements at the higher level, the heat resistance improving tungsten/steel fastener is applied most important for it reliably and with long-term, therefore, this area is in the urgent need to designing a kind of tungsten/steel composite material with high strength that can apply in high temperature environments and the preparation method matched with it.
Summary of the invention
Inventor, first based on the thought that harmful brittlement phase must to be stoped in jointing to produce, sets up from the crystal structure of material diffusion connectivity, atomic radius and electronegative interlayer selecting principle.Then, by considering the stress alleviation effects of intermediate layer material, adopt the impact of Finite Element Method and Using Nanoindentation analysis and sign tungsten/steel Diffusion Bonding Joint residual stress distribution rule and intermediate layer butt joint residual stress distribution, the residual stress inquiring into intermediate layer relaxes mechanism, sets up the selection gist of the material, thickness etc. in tungsten/steel diffusion connection intermediate layer.But only according to the design concept of existing individual layer transition zone, still do not obtain desirable product.So inventor changes thinking and has initiated " active intermediate+stress relaxation layer+soft barrier layer " and combine transition zone.
The problem that to the object of the invention is to solve in existing tungsten/steel diffusion connection procedure that residual stress is large, interfacial reaction products is uncontrollable, strength of joint is low, heat resistance is not enough high with being connected temperature, and a kind of High Performance W/steel composite material applied based on high temperature and preparation method thereof is provided.
A kind of High Performance W/steel composite material based on high temperature application of the present invention; Described tungsten/steel composite material is arranged in order by tungsten basic unit, titanium layer, niobium layer, nickel dam, base steel layer and is prepared from by welding method.
A kind of High Performance W/steel composite material based on high temperature application of the present invention; Tungsten basic unit is selected from pure tungsten, W-La
2o
3alloy, W-Y
2o
3one in alloy, W-TiC alloy, W-ZrC alloy, W-Y alloy, W-Mo alloy, W-Re alloy, W-K alloy, W-CNT alloy.In described pure tungsten, the mass percent of W elements is more than or equal to 99%.
A kind of High Performance W/steel composite material based on high temperature application of the present invention; Base steel layer is selected from the one in structural steel, tool steel, stainless steel or specialty steel.Described specialty steel is as the one in mould steel, blade of gas turbine steel, fusion reactor low activity steel.
A kind of High Performance W/steel composite material based on high temperature application of the present invention, be more than or equal to 352MPa by vacuum welding gained tungsten/steel composite material mechanical properties, be preferably greater than or equal to 415MPa, its mechanical properties at least promotes 50% on the basis of existing tungsten/steel composite material, its tensile strength of 650 DEG C is more than or equal to 338MPa, be preferably greater than or equal to 403MPa, compared with existing tungsten/steel composite material, the basis of existing tungsten/steel composite material at least promotes 30%, in the article delivered on Int.JournalofRefractoryMetalsandHardMaterials publication the 48th phase with Cai Qingshan compared with described tungsten/V/Cu/ steel composite material, improve the room temperature tensile properties of tungsten/steel fastener, particularly substantially improve its mechanical behavior under high temperature, promote amplitude the hot strengths of 650 DEG C and be at least 150% (at 650 DEG C, owing to there is low melting point intermediate layer material Cu in tungsten/V/Cu/ steel composite material, its tensile strength is about 160MPa).
A kind of High Performance W/steel composite material based on high temperature application of the present invention; By there is not high hard brittlement phase in vacuum welding gained tungsten/steel composite material.This brittlement phase is that have the advantages that intensity is low, hardness is high, fragility is large, its hardness is greater than the hardness (~ 7.0GPa) of tungsten basic unit, is FeW, Ni in the product that weld interface generates in welding process
4the intermetallic compounds such as W and FeTi, or WC, W
2c, Nb
2c, Nb
6c
5, V
2one or more in the metal carbides such as C.
The preparation method of a kind of High Performance W/steel composite material based on high temperature application of the present invention; Comprise the following steps:
By the stacked system of tungsten basic unit/titanium layer/niobium layer/nickel dam/base steel layer, after tungsten basic unit, titanium layer, niobium layer, nickel dam, base steel layer are superposed successively, carry out diffusion in vacuum connection, obtain High Performance W/steel composite material; Described diffusion in vacuum connects: first adopt the heating rate of 10 ~ 30 DEG C/min to be warming up to 850 ~ 1050 DEG C, insulation 30 ~ 120min, and in insulating process, load the Bonding pressure of 5 ~ 20MPa, with the cooldown rate of 5 ~ 10 DEG C/min, temperature is reduced to 600 ~ 900 DEG C subsequently, and be incubated 60 ~ 180min, finally be chilled to room temperature with stove, in whole connection procedure, keep vacuum in stove to be 1 ~ 5 × 10
-3pa.
The preparation method of a kind of High Performance W/steel composite material based on high temperature application of the present invention; The surface smoothness of the contact surface of described tungsten basic unit and titanium layer, titanium layer and niobium layer, niobium layer and nickel dam, nickel dam and base steel layer is 0.1 ~ 5 μm, preferably, the surface smoothness of the contact surface of tungsten basic unit and titanium layer is 0.1 ~ 0.3 μm, and the surface smoothness of the contact surface of titanium layer and niobium layer, niobium layer and nickel dam is 0.1 ~ 0.5 μm, the surface smoothness of the contact surface of nickel dam and base steel layer is 0.1 ~ 1 μm.
The preparation method of a kind of High Performance W/steel composite material of the present invention; The thickness of described titanium layer is 0.01 ~ 5mm, is preferably 0.01 ~ 2mm, more preferably 0.1 ~ 1mm; The thickness of described niobium layer is 0.01 ~ 5mm, is preferably 0.1 ~ 2mm, more preferably 0.1 ~ 1mm; The thickness of described Ni layer is 0.01 ~ 5mm, is preferably 0.01 ~ 2mm, more preferably 0.1 ~ 2mm.
Structure designed by the present invention can be widely used in refractory metal and be connected with the diffusion of other metal foreign material.Also can be widely used in refractory metal or pottery be connected with the diffusion between other metal foreign material.
Principle and advantage
The present invention devises, and " active intermediate+stress relaxation layer+soft barrier layer " combines transition zone, and is applied to cleverly among tungsten/steel composite material by this transition zone, achieves beyond thought effect.Significantly can promote the room temperature of tungsten/steel composite material and elevated temperature tensile by the structure designed by the present invention and the technique that matches with it to stretch performance and (be more than or equal to 352MPa by vacuum welding gained High Performance W/steel composite material mechanical properties, be preferably greater than or equal to 415MPa, its mechanical properties at least promotes 50% on the basis of existing tungsten/steel composite material; Its tensile strength of 650 DEG C is more than or equal to 338MPa, is preferably greater than or equal to 403MPa, compared with existing tungsten/steel composite material, the basis of existing tungsten/steel composite material at least promotes 30%.); Its possible cause is: active intermediate is titanium layer, can greatly increase interface diffusion and reaction ability, improves the diffusion connectivity of tungsten basic unit; Stress relaxation layer is niobium layer, and its thermal coefficient of expansion mates with tungsten basic unit and steel layer, and tungsten/steel fastener thermal expansion coefficient is changed in gradient, reaches the effect alleviating joint thermal stress; Soft barrier layer is the nickel dam with good ductility, the alloying element (Fe, Cr, C etc.) which prevent in base steel layer spreads in transition zone and tungsten basic unit, form the Compound Phase of harmful tungsten/steel fastener performance, in addition, the yield strength of nickel is low, and it discharges residual stress by creep and surrender; In addition, between transition zone, namely titanium layer and niobium layer, there is between niobium layer and nickel dam excellent diffusion connectivity, good metallurgical binding can be formed, three forms composite construction with match materials to be welded and welds system in composition, thickness etc., under the synergy of welding condition, obtain High Performance W/steel fastener.
The employing composite construction intermediate layer diffusion that the present invention proposes connects the method for tungsten and steel, under the synergy of each parameter, its mechanical properties can reach 415MPa, more than 50% is improved than existing level, it is more than or equal to 403MPa the hot strength of 650 DEG C, improves more than 30% than existing level; In addition, present invention process is easy and simple to handle, and joint metal is without obvious deformation.
Accompanying drawing explanation
Accompanying drawing 1 is before tungsten/steel diffusion connects, the arrangement mode schematic diagram of tungsten basic unit, titanium layer, niobium layer, nickel dam, base steel layer.
Detailed description of the invention
Be intended to further illustrate the present invention below in conjunction with embodiment, and unrestricted the present invention.
Embodiment 1
The diffusion connection method of the High Performance W/steel dissimilar materials based on high temperature application of present embodiment carries out as follows:
One, removing surface: the connecting surface first adopting the abrasive paper for metallograph of 150#, 400#, 800#, 1200# and 1500# to treat weldering material of tungsten and steel is polished step by step and is polished to surface smoothness is 0.5 μm, then, ultrasonic cleaner (arranging cleaning temperature is 35 DEG C) is adopted material to be welded to be cleaned each 15min successively in absolute ethyl alcohol, acetone, absolute ethyl alcohol, to remove greasy dirt and the impurity of specimen surface to be welded.For avoiding material to be welded oxidized or again polluted, be placed in absolute ethyl alcohol seal up for safekeeping for subsequent use.
Two, preset composite construction intermediate layer: first optimal design Ti layer, Nb layer, Ni layer are all processed into the thin slice that thickness is 0.1mm, then be combined into composite construction intermediate layer to be placed between mother metal tungsten to be welded and steel, and assembled by " sandwich " structure of tungsten/Ti/Nb/Ni/ steel;
Three, diffusion in vacuum connects: the welding material assembled is placed in vacuum hotpressing stove stove, first adopt the heating rate of 10 DEG C/min that connection temperature is elevated to 900 DEG C from room temperature, insulation 60min, and in insulating process, load the Bonding pressure of 15MPa, with the cooldown rate of 10 DEG C/min, temperature is reduced to 600 DEG C subsequently, and is incubated 60min, be finally chilled to room temperature with stove, in whole connection procedure, keep vacuum < 5 × 10
-3pa, namely completes tungsten and is connected with the diffusion of steel.
The mechanical properties of present embodiment gained tungsten/Ti/Nb/Ni/ steel fastener can reach 352MPa (i.e. the room temperature tensile intensity of Diffusion Bonding Joint), tungsten/steel Diffusion Bonding Joint the intensity (peak shear strength is 113MPa) doing intermediate layer than employing Ti is high by 210%, than the tungsten/steel Diffusion Bonding Joint intensity (ultimate tensile strength is 272MPa) high nearly 30% adopting Nb to do intermediate layer, the tungsten/steel Diffusion Bonding Joint intensity (ultimate tensile strength is 215MPa) doing intermediate layer than employing Ni is high by 60%.
Present embodiment gained tungsten/Ti/Nb/Ni/ steel fastener can reach 338MPa (tensile strength when namely Diffusion Bonding Joint is at 650 DEG C) the hot strength of 650 DEG C, higher than adopting separately Nb to make the tungsten/steel Diffusion Bonding Joint intensity (be 299MPa the hot strengths of 550 DEG C) in intermediate layer.
Embodiment 2
The diffusion connection method of the High Performance W/steel dissimilar materials based on high temperature application of present embodiment carries out as follows:
One, removing surface: the connecting surface first adopting the abrasive paper for metallograph of 150#, 400#, 800#, 1200# and 1500# to treat weldering material of tungsten and steel is polished step by step and is polished to surface smoothness is 1 μm, then, ultrasonic cleaner (arranging cleaning temperature is 35 DEG C) is adopted material to be welded to be cleaned each 10min successively in absolute ethyl alcohol, acetone, absolute ethyl alcohol, to remove greasy dirt and the impurity of specimen surface to be welded.For avoiding material to be welded oxidized or again polluted, be placed in absolute ethyl alcohol seal up for safekeeping for subsequent use.
Two, preset composite construction intermediate layer: first optimal design Ti layer, Nb layer, Ni layer are processed into respectively thickness be 0.1,0.2, the thin slice of 0.5mm, then be combined into composite construction intermediate layer to be placed between mother metal tungsten to be welded and steel, and assembled by " sandwich " structure of tungsten/Ti/Nb/Ni/ steel;
Three, diffusion in vacuum connects: the welding material assembled is placed in vacuum hotpressing stove stove, first adopt the heating rate of 10 DEG C/min that connection temperature is elevated to 950 DEG C from room temperature, insulation 60min, and in insulating process, load the Bonding pressure of 10MPa, with the cooldown rate of 5 DEG C/min, temperature is reduced to 600 DEG C subsequently, and is incubated 120min, be finally chilled to room temperature with stove, in whole connection procedure, vacuum is kept to be 1 ~ 5 × 10
-3pa, namely completes tungsten and is connected with the diffusion of steel.
The mechanical properties of present embodiment gained tungsten/Ti/Nb/Ni/ steel fastener can reach 415MPa (i.e. the room temperature tensile intensity of Diffusion Bonding Joint), far away higher than the tungsten/steel Diffusion Bonding Joint intensity (peak shear strength is 113MPa) adopting Ti to do intermediate layer, tungsten/steel Diffusion Bonding Joint the intensity (ultimate tensile strength is 272MPa) doing intermediate layer than employing Nb is high by 50%, and the tungsten/steel Diffusion Bonding Joint intensity (ultimate tensile strength is 215MPa) doing intermediate layer than employing Ni is high by 90%.
Present embodiment gained tungsten/Ti/Nb/Ni/ steel fastener can reach 403MPa (tensile strength when namely Diffusion Bonding Joint is at 650 DEG C) the hot strength of 650 DEG C, far above the tungsten/steel Diffusion Bonding Joint intensity (be 299MPa the hot strengths of 550 DEG C) adopting separately Nb to do intermediate layer.
Embodiment 3
The diffusion connection method of the High Performance W/steel dissimilar materials based on high temperature application of present embodiment carries out as follows:
One, removing surface: the connecting surface first adopting the abrasive paper for metallograph of 150#, 400#, 800#, 1200# and 1500# to treat weldering material of tungsten and steel is polished step by step and is polished to surface smoothness is 3 μm, then, ultrasonic cleaner (arranging cleaning temperature is 35 DEG C) is adopted material to be welded to be cleaned each 10min successively in absolute ethyl alcohol, acetone, absolute ethyl alcohol, to remove greasy dirt and the impurity of specimen surface to be welded.For avoiding material to be welded oxidized or again polluted, be placed in absolute ethyl alcohol seal up for safekeeping for subsequent use.
Two, preset composite construction intermediate layer: first optimal design Ti layer, Nb layer, Ni layer are processed into respectively thickness be 0.05,0.3, the thin slice of 0.1mm, then be combined into composite construction intermediate layer to be placed between mother metal tungsten to be welded and steel, and assembled by " sandwich " structure of tungsten/Ti/Nb/Ni/ steel;
Three, diffusion in vacuum connects: the welding material assembled is placed in vacuum hotpressing stove stove, first adopt the heating rate of 20 DEG C/min that connection temperature is elevated to 1050 DEG C from room temperature, insulation 30min, and in insulating process, load the Bonding pressure of 10MPa, with the cooldown rate of 5 DEG C/min, temperature is reduced to 600 DEG C subsequently, and is incubated 180min, be finally chilled to room temperature with stove, in whole connection procedure, vacuum is kept to be 1 ~ 5 × 10
-3pa, namely completes tungsten and is connected with the diffusion of steel.
The mechanical properties of present embodiment gained tungsten/Ti/Nb/Ni/ steel fastener can reach 386MPa (i.e. the room temperature tensile intensity of Diffusion Bonding Joint), far away higher than the tungsten/steel Diffusion Bonding Joint intensity (peak shear strength is 113MPa) adopting Ti to do intermediate layer, tungsten/steel Diffusion Bonding Joint the intensity (ultimate tensile strength is 272MPa) doing intermediate layer than employing Nb is high by 40%, and the tungsten/steel Diffusion Bonding Joint intensity (ultimate tensile strength is 215MPa) doing intermediate layer than employing Ni is high by 75%.
Present embodiment gained tungsten/Ti/Nb/Ni/ steel fastener can reach 372MPa (tensile strength when namely Diffusion Bonding Joint is at 650 DEG C) the hot strength of 650 DEG C, far above the tungsten/steel Diffusion Bonding Joint intensity (be 299MPa the hot strengths of 550 DEG C) adopting separately Nb to do intermediate layer.
Claims (10)
1. High Performance W/the steel composite material based on high temperature application; It is characterized in that: described High Performance W/steel composite material is arranged in order by tungsten basic unit, titanium layer, niobium layer, nickel dam, base steel layer and is prepared from by welding method.
2. a kind of High Performance W/steel composite material based on high temperature application according to claim 1; It is characterized in that: tungsten basic unit is selected from pure tungsten, W-La
2o
3alloy, W-Y
2o
3one in alloy, W-TiC alloy, W-ZrC alloy, W-Y alloy, W-Mo alloy, W-Re alloy, W-K alloy, W-CNT alloy.
3. a kind of High Performance W/steel composite material according to claim 1; It is characterized in that: base steel layer is selected from the one in structural steel, tool steel, stainless steel.
4. a kind of High Performance W/steel composite material based on high temperature application according to claim 1-3 any one; It is characterized in that:
Be more than or equal to 352MPa by vacuum welding gained tungsten/steel composite material mechanical properties, be more than or equal to 338MPa the hot strength of 650 DEG C.
5. the preparation method of a kind of High Performance W/steel composite material based on high temperature application as described in claim 1-3 any one; It is characterized in that; Comprise the following steps:
By the stacked system of tungsten basic unit/titanium layer/niobium layer/nickel dam/base steel layer, after tungsten basic unit, titanium layer, niobium layer, nickel dam, base steel layer are superposed successively, carry out diffusion in vacuum connection, obtain tungsten/steel composite material; Described diffusion in vacuum connects: first adopt the heating rate of 10 ~ 30 DEG C/min to be warming up to 850 ~ 1050 DEG C, insulation 30 ~ 120min, and in insulating process, load the Bonding pressure of 5 ~ 20MPa, with the cooldown rate of 5 ~ 10 DEG C/min, temperature is reduced to 600 ~ 900 DEG C subsequently, and be incubated 60 ~ 180min, finally be chilled to room temperature with stove, in whole connection procedure, keep vacuum in stove to be 1 ~ 5 × 10
-3pa.
6. a kind of preparation method of High Performance W/steel composite material based on high temperature application according to claim 5: it is characterized in that: the surface smoothness of the contact surface of tungsten basic unit and titanium layer, titanium layer and niobium layer, niobium layer and nickel dam, nickel dam and base steel layer is 0.1 ~ 5 μm.
7. the preparation method of a kind of High Performance W/steel composite material based on high temperature application according to claim 6: it is characterized in that:
The surface smoothness of the contact surface of tungsten basic unit and titanium layer is 0.1 ~ 0.3 μm, and the surface smoothness of the contact surface of titanium layer and niobium layer, niobium layer and nickel dam is 0.1 ~ 0.5 μm, the surface smoothness of the contact surface of nickel dam and base steel layer is 0.1 ~ 1 μm.
8. the preparation method of a kind of High Performance W/steel composite material based on high temperature application according to claim 6: it is characterized in that: the thickness of described titanium layer, niobium layer, Ni layer is 0.01 ~ 5mm.
9. the preparation method of a kind of High Performance W/steel composite material based on high temperature application according to claim 8: it is characterized in that: the thickness of described titanium layer is 0.01 ~ 2mm; The thickness of described niobium layer is 0.1 ~ 2mm; The thickness of described Ni layer is 0.01 ~ 2mm.
10. the preparation method of a kind of High Performance W/steel composite material based on high temperature application according to claim 9: it is characterized in that: the thickness of described titanium layer is 0.1 ~ 1mm; The thickness of described niobium layer is 0.1 ~ 1mm; The thickness of described Ni layer is 0.1 ~ 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725625.9A CN105216394B (en) | 2015-10-30 | 2015-10-30 | A kind of tungsten/steel composite material based on high temperature application and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725625.9A CN105216394B (en) | 2015-10-30 | 2015-10-30 | A kind of tungsten/steel composite material based on high temperature application and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105216394A true CN105216394A (en) | 2016-01-06 |
| CN105216394B CN105216394B (en) | 2018-02-09 |
Family
ID=54985822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510725625.9A Active CN105216394B (en) | 2015-10-30 | 2015-10-30 | A kind of tungsten/steel composite material based on high temperature application and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105216394B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041350A (en) * | 2016-08-17 | 2016-10-26 | 武汉工程大学 | Tungsten/copper or tungsten/steel connector and method for preparing same |
| CN106825583A (en) * | 2016-12-30 | 2017-06-13 | 中南大学 | A kind of tungsten and low activation stainless steel nanometer gradient composite connecting method |
| CN107225249A (en) * | 2017-06-23 | 2017-10-03 | 中南大学 | A kind of tungsten based on the surface graded alloying of tungsten/steel diffusion connection method |
| CN108788436A (en) * | 2018-06-05 | 2018-11-13 | 中国科学院合肥物质科学研究院 | A kind of technique connecting fusion reactor material tungsten and steel using the diffusion of hydrogen metal is set |
| CN109085062A (en) * | 2018-09-19 | 2018-12-25 | 中南大学 | A kind of two layers of density gradient material Evaluation Method of Mechanical Property of ultra-thin Ti/Al |
| CN109396187A (en) * | 2017-08-17 | 2019-03-01 | 东莞市富群新材料科技有限公司 | A kind of manufacture craft of composition metal steel band |
| CN109396631A (en) * | 2018-11-14 | 2019-03-01 | 中国工程物理研究院材料研究所 | A kind of tungsten/transition zone/stainless steel hot isostatic pressing diffusion connection method |
| CN109454321A (en) * | 2018-11-16 | 2019-03-12 | 中南大学 | A kind of hot isostatic pressing diffusion connection method of tungsten/steel cylinder structure part |
| CN109746566A (en) * | 2017-11-06 | 2019-05-14 | 波音公司 | For connecting the sandwich of different materials and the method for connection different metal |
| CN110053328A (en) * | 2019-04-26 | 2019-07-26 | 合肥工业大学 | A kind of laminar gradient structure tungsten-based composite material and preparation method thereof |
| CN110144508A (en) * | 2019-05-28 | 2019-08-20 | 中南大学 | A kind of two-stage method for preparing powder metallurgy of tungsten/bimetal copper-steel band of column material |
| CN110331371A (en) * | 2019-08-13 | 2019-10-15 | 合肥工业大学 | Brittle layer structure material of a kind of improvement tungsten and preparation method thereof |
| CN110732767A (en) * | 2019-11-25 | 2020-01-31 | 宜兴市鼎锋模具制造有限公司 | kinds of hardware tools made up of tungsten steel and high-speed steel and their production |
| CN110983150A (en) * | 2019-12-05 | 2020-04-10 | 福建中成新材料科技有限公司 | Tungsten steel bar based on high-temperature application and preparation method thereof |
| CN112496518A (en) * | 2020-11-11 | 2021-03-16 | 核工业西南物理研究院 | Diffusion bonding method of tungsten and low-activation steel |
| CN112809221A (en) * | 2020-12-28 | 2021-05-18 | 宜兴市鼎锋模具制造有限公司 | Hardware tool with indirectly fused high-speed steel and tungsten steel and machining method |
| CN113732467A (en) * | 2021-08-27 | 2021-12-03 | 合肥工业大学 | Composite intermediate layer for tungsten/steel connecting piece and diffusion welding method |
| CN113878220A (en) * | 2021-08-27 | 2022-01-04 | 合肥工业大学 | Tungsten and steel layered metal composite material and diffusion bonding method thereof |
| CN114669902A (en) * | 2022-04-15 | 2022-06-28 | 宜兴市鼎锋模具制造有限公司 | High-speed steel tool steel and tungsten steel efficient heating fusion method |
| US11465243B2 (en) | 2017-11-06 | 2022-10-11 | The Boeing Company | Interlayered structures for joining dissimilar materials and methods for joining dissimilar metals |
| US20230086909A1 (en) * | 2020-10-26 | 2023-03-23 | A.L.M.T. Corp. | Composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854891A (en) * | 1972-09-25 | 1974-12-17 | Allegheny Ludlum Ind Inc | Titanium composite |
| CN101494322A (en) * | 2009-02-27 | 2009-07-29 | 西安交通大学 | Tungsten copper connection method |
| CN103753123A (en) * | 2013-12-18 | 2014-04-30 | 华中科技大学 | Method for manufacturing multilayer amorphous alloy and copper composite structure through intermediate layer diffusion |
-
2015
- 2015-10-30 CN CN201510725625.9A patent/CN105216394B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854891A (en) * | 1972-09-25 | 1974-12-17 | Allegheny Ludlum Ind Inc | Titanium composite |
| CN101494322A (en) * | 2009-02-27 | 2009-07-29 | 西安交通大学 | Tungsten copper connection method |
| CN103753123A (en) * | 2013-12-18 | 2014-04-30 | 华中科技大学 | Method for manufacturing multilayer amorphous alloy and copper composite structure through intermediate layer diffusion |
Non-Patent Citations (2)
| Title |
|---|
| 邹贵生等: "Ti和Ti/Ni/Ti连接钨与铜及其合金的界面结合机制与接头强度", 《航空材料学报》 * |
| 马运柱等: "钒/镍复合中间层扩散焊接钨与钢的界面结构及力学性能", 《焊接学报》 * |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041350A (en) * | 2016-08-17 | 2016-10-26 | 武汉工程大学 | Tungsten/copper or tungsten/steel connector and method for preparing same |
| CN106825583A (en) * | 2016-12-30 | 2017-06-13 | 中南大学 | A kind of tungsten and low activation stainless steel nanometer gradient composite connecting method |
| CN107225249A (en) * | 2017-06-23 | 2017-10-03 | 中南大学 | A kind of tungsten based on the surface graded alloying of tungsten/steel diffusion connection method |
| CN109396187A (en) * | 2017-08-17 | 2019-03-01 | 东莞市富群新材料科技有限公司 | A kind of manufacture craft of composition metal steel band |
| CN109396187B (en) * | 2017-08-17 | 2021-05-11 | 东莞市富群新材料科技有限公司 | Manufacturing process of composite metal steel strip |
| CN109746566A (en) * | 2017-11-06 | 2019-05-14 | 波音公司 | For connecting the sandwich of different materials and the method for connection different metal |
| US11465243B2 (en) | 2017-11-06 | 2022-10-11 | The Boeing Company | Interlayered structures for joining dissimilar materials and methods for joining dissimilar metals |
| CN109746566B (en) * | 2017-11-06 | 2022-10-04 | 波音公司 | Sandwich structure for connecting different materials and method for connecting different metals |
| CN108788436A (en) * | 2018-06-05 | 2018-11-13 | 中国科学院合肥物质科学研究院 | A kind of technique connecting fusion reactor material tungsten and steel using the diffusion of hydrogen metal is set |
| CN109085062A (en) * | 2018-09-19 | 2018-12-25 | 中南大学 | A kind of two layers of density gradient material Evaluation Method of Mechanical Property of ultra-thin Ti/Al |
| CN109396631A (en) * | 2018-11-14 | 2019-03-01 | 中国工程物理研究院材料研究所 | A kind of tungsten/transition zone/stainless steel hot isostatic pressing diffusion connection method |
| CN109396631B (en) * | 2018-11-14 | 2020-12-11 | 中国工程物理研究院材料研究所 | Hot isostatic pressing diffusion bonding method for tungsten/transition layer/stainless steel |
| CN109454321A (en) * | 2018-11-16 | 2019-03-12 | 中南大学 | A kind of hot isostatic pressing diffusion connection method of tungsten/steel cylinder structure part |
| CN110053328A (en) * | 2019-04-26 | 2019-07-26 | 合肥工业大学 | A kind of laminar gradient structure tungsten-based composite material and preparation method thereof |
| CN110144508A (en) * | 2019-05-28 | 2019-08-20 | 中南大学 | A kind of two-stage method for preparing powder metallurgy of tungsten/bimetal copper-steel band of column material |
| CN110331371A (en) * | 2019-08-13 | 2019-10-15 | 合肥工业大学 | Brittle layer structure material of a kind of improvement tungsten and preparation method thereof |
| CN110732767A (en) * | 2019-11-25 | 2020-01-31 | 宜兴市鼎锋模具制造有限公司 | kinds of hardware tools made up of tungsten steel and high-speed steel and their production |
| CN110983150A (en) * | 2019-12-05 | 2020-04-10 | 福建中成新材料科技有限公司 | Tungsten steel bar based on high-temperature application and preparation method thereof |
| US20230086909A1 (en) * | 2020-10-26 | 2023-03-23 | A.L.M.T. Corp. | Composite material |
| CN112496518B (en) * | 2020-11-11 | 2022-03-22 | 核工业西南物理研究院 | Diffusion bonding method of tungsten and low-activation steel |
| CN112496518A (en) * | 2020-11-11 | 2021-03-16 | 核工业西南物理研究院 | Diffusion bonding method of tungsten and low-activation steel |
| CN112809221A (en) * | 2020-12-28 | 2021-05-18 | 宜兴市鼎锋模具制造有限公司 | Hardware tool with indirectly fused high-speed steel and tungsten steel and machining method |
| CN113732467A (en) * | 2021-08-27 | 2021-12-03 | 合肥工业大学 | Composite intermediate layer for tungsten/steel connecting piece and diffusion welding method |
| CN113878220A (en) * | 2021-08-27 | 2022-01-04 | 合肥工业大学 | Tungsten and steel layered metal composite material and diffusion bonding method thereof |
| CN113732467B (en) * | 2021-08-27 | 2023-07-11 | 合肥工业大学 | Composite intermediate layer for tungsten/steel connecting piece and diffusion welding method |
| CN114669902A (en) * | 2022-04-15 | 2022-06-28 | 宜兴市鼎锋模具制造有限公司 | High-speed steel tool steel and tungsten steel efficient heating fusion method |
| CN114669902B (en) * | 2022-04-15 | 2023-11-03 | 陈承贵 | High-speed steel tool steel and tungsten steel efficient heating fusion method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105216394B (en) | 2018-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105216394A (en) | A kind of High Performance W/steel composite material based on high temperature application and preparation method thereof | |
| CN105346161B (en) | A kind of preparation method of tungsten/transition zone/steel composite material and its low-temp low-pressure activity diffusion connection | |
| KR101054462B1 (en) | High strength dissimilar metal joining method between a steel-based alloy using an intermediate layer and a titanium or titanium-based alloy having a joint strength exceeding the strength of the base metal | |
| CN101362253B (en) | TiNi shape memory alloy and stainless steel instant liquid-phase diffusion welding connection method | |
| Paidar et al. | Diffusion brazing of Inconel 617 and 321 stainless steel by using AMS 4772 Ag interlayer | |
| Liu et al. | Evaluation on diffusion bonded joints of TiAl alloy to Ti3SiC2 ceramic with and without Ni interlayer: Interfacial microstructure and mechanical properties | |
| CN104690385B (en) | Composite interlayer and method for brazing metal with ceramic and ceramic matrix composite material by utilizing same | |
| Sah et al. | The recovery of tensile ductility in diffusion-bonded Ni-base alloys by post-bond heat treatments | |
| Lin et al. | An investigation on diffusion bonding of TZM alloy and Nb-Zr alloy using Ni foil as an interlayer | |
| CN107030367A (en) | The dissimilar metal diffusion welding method of titanium alloy and stainless steel | |
| Bachurina et al. | Joining of tungsten with low-activation ferritic–martensitic steel and vanadium alloys for demo reactor | |
| CN101176946A (en) | Method for vacuum scattering intermetallic compound for coupling TiAL | |
| Zhang et al. | A novel active braze composition design route for C/C composite using Fe as active element | |
| CN113732467B (en) | Composite intermediate layer for tungsten/steel connecting piece and diffusion welding method | |
| CN102581467B (en) | Connection method for dissimilar metal constant strength joint of titanium-aluminum base alloy and titanium alloy | |
| Sun et al. | Enhanced tensile strength and fracture toughness of a Ti-TiAl metal-intermetallic laminate (MIL) composite | |
| Gao et al. | Joints of TiBw/Ti6Al4V composites-Inconel 718 alloys dissimilar joining using Nb and Cu interlayers | |
| Wang et al. | Effect of Cu interlayer on the microstructure and strength for brazing of tungsten/316L steel | |
| CN102229019B (en) | Argon arc welding method suitable for TiAl-based alloy material and titanium alloy | |
| JP2014527627A (en) | Fusion reactor first wall components and fabrication process | |
| Gao et al. | Microstructure evolution and mechanical properties of titanium matrix composites and Ni-based superalloy joints with Cu interlayer | |
| Yang et al. | Microstructure and Mechanical Properties of Zr‐4 Alloy and 316 Stainless Steel Diffusion Bonding Joint Using Nb/Ni Composite Interlayer | |
| CN102069290B (en) | Process for preparing Fe3Al/Al composite structure by diffusion bonding | |
| Wang et al. | Diffusion bonding of Zr-2.5 Nb zirconium alloy and 304L stainless steel with Nb/Ni hybrid interlayer | |
| Cao et al. | Effect of interface on mechanical properties of Ti/Al/Mg/Al/Ti laminated composites |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |