CN104988359A - Co-ZrO2-Ni-Fe coating material and preparation method - Google Patents
Co-ZrO2-Ni-Fe coating material and preparation method Download PDFInfo
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- CN104988359A CN104988359A CN201510354572.4A CN201510354572A CN104988359A CN 104988359 A CN104988359 A CN 104988359A CN 201510354572 A CN201510354572 A CN 201510354572A CN 104988359 A CN104988359 A CN 104988359A
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Abstract
The invention relates to Co-ZrO2-Ni-Fe coating material and a preparation method. The Co-ZrO2-Ni-Fe coating material comprises, by mass percent, the following components of 58% to 72% of Co, 14% to 28% of ZrO2, 6% to 8% of Ni, 6% to 8% of Fe and 0.25% to 0.79% of trace mineral supplement. The trace mineral supplement is mixed by C, ZrO2, Zr and Al according to the proportion of 0.6: 1: 2.5: 1. The preparation method comprises the following steps that Co, ZrO2, Ni and Fe are used for producing a nanosphere through a gas atomization method, then the nanopowder produced by mixing the trace mineral supplementary through an active agent protecting method is adopted, and finally the nanopowder is sprayed on the surface of a part to form coating through the plasma spraying technology. The Co-ZrO2-Ni-Fe coating material and the preparation method has the advantages that the component match is reasonable, the produced coating has comparatively high rigidity, the abrasive resistance and the corrosion resistance are comparatively strong, and the bonding strength is high, therefore the performance of the part can be improved, and the service lift is prolonged.
Description
Technical field
The present invention relates to plasma spraying technology field, specifically a kind of Co-ZrO
2-Ni-Fe coated material and preparation method.
Background technology
It is comparatively general that the technology that plasma spraying is processed is applied in component process for processing, reparation, improve the use properties of component greatly, such as physical strength, wear resistance, corrosion-resistant etc., extend the work-ing life of component, reduce the cost of equipment use operation and maintenance, also achieve manufacturing again of component, be i.e. the recycling of component, avoid the waste of resource, meet user demand during equipment real work.But the material property that traditional spraying uses is general, after component surface forms coating, the poor-performing of coating, wear resistance and erosion resistance general, after component use for some time, the easy phenomenon occurring wearing and tearing and corrosion, causes shorten the work-ing life of component, and namely traditional coated material can not meet actual user demand.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Co-ZrO
2-Ni-Fe coated material and preparation method.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of Co-ZrO
2-Ni-Fe coated material, comprises the component of following mass percent:
Co accounts for 58% ~ 72%, ZrO
2account for 14% ~ 28%, Ni to account for 6% ~ 8%, Fe and account for 6% ~ 8%, trace mineral supplement accounts for 0.25% ~ 0.79%;
Described trace mineral supplement is mixed according to the ratio of 0.6 ︰ 1 ︰ 2.5 ︰ 2 ︰ 1 by C, Ti, Mo, Zn, Al.
Constituent part performance is as follows:
Co: i.e. cobalt, silvery white ferromagnetic metal, has pale blue gloss after surface finish, harder and crisp, in hardness, tensile strength properties with iron and nickel similar.
ZrO
2: i.e. zirconium dioxide, be white odorless, tasteless crystal under usual condition, be insoluble in water, hydrochloric acid and dilute sulphuric acid, chemical property torpescence, and there is the character of high-melting-point, high resistivity, high refractive index and low thermal coefficient of expansion, the high temperature material making zirconium dioxide become important, ceramic insulating material and ceramic opalizer, relative density 5.85, fusing point 2680 DEG C, boiling point 4300 DEG C, hardness, inferior to diamond, improves hardness and the high-temperature stability of coating greatly, to extend life-span when coating uses.
A preparation method for Co-Zn-Mn-Ti coated material, described method steps is as follows: described Co, ZrO
2, Ni, Fe all adopt aerosolization legal system to obtain nanometer ball, then the nanometer powder adopting promoting agent protection method to mix trace mineral supplement to make, finally adopt plasma spray coating process to be sprayed on piece surface to form coating.
The invention has the beneficial effects as follows: rationally, the coating made has higher hardness in instant component collocation, and wear resistance and erosion resistance are comparatively strong, and bonding strength is high, thus the performance of component is improved, and work-ing life is extended.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is weave construction and the crystal morphology figure of the coating that the present invention makes;
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below the present invention being set forth further.
Embodiment one:
A kind of Co-ZrO
2-Ni-Fe coated material, comprises the component of following mass percent:
Co accounts for 70%, ZrO
2account for 15.5%, Ni to account for 7%, Fe and account for 7%, trace mineral supplement accounts for 0.5%;
Described trace mineral supplement is mixed according to the ratio of 0.6 ︰ 1 ︰ 2.5 ︰ 2 ︰ 1 by C, Ti, Mo, Zn, Al.
A preparation method for Co-Zn-Mn-Ti coated material, described method steps is as follows: described Co, ZrO
2, Ni, Fe all adopt aerosolization legal system to obtain nanometer ball, then the nanometer powder adopting promoting agent protection method to mix trace mineral supplement to make, finally adopt plasma spray coating process to be sprayed on piece surface to form coating.
Embodiment two:
A kind of Co-ZrO
2-Ni-Fe coated material, comprises the component of following mass percent:
Co accounts for 67.75%, ZrO
2account for 20%, Ni to account for 6%, Fe and account for 6%, trace mineral supplement accounts for 0.25%;
Described trace mineral supplement is mixed according to the ratio of 0.6 ︰ 1 ︰ 2.5 ︰ 2 ︰ 1 by C, Ti, Mo, Zn, Al.
A preparation method for Co-Zn-Mn-Ti coated material, described method steps is as follows: described Co, ZrO
2, Ni, Fe all adopt aerosolization legal system to obtain nanometer ball, then the nanometer powder adopting promoting agent protection method to mix trace mineral supplement to make, finally adopt plasma spray coating process to be sprayed on piece surface to form coating.
Embodiment three:
A kind of Co-ZrO
2-Ni-Fe coated material, comprises the component of following mass percent:
Co accounts for 58%, ZrO
2account for 25.21%, Ni to account for 8%, Fe and account for 8%, trace mineral supplement accounts for 0.79%;
Described trace mineral supplement is mixed according to the ratio of 0.6 ︰ 1 ︰ 2.5 ︰ 2 ︰ 1 by C, Ti, Mo, Zn, Al.
A preparation method for Co-Zn-Mn-Ti coated material, described method steps is as follows: described Co, ZrO
2, Ni, Fe all adopt aerosolization legal system to obtain nanometer ball, then the nanometer powder adopting promoting agent protection method to mix trace mineral supplement to make, finally adopt plasma spray coating process to be sprayed on piece surface to form coating.
Embodiment four:
A kind of Co-ZrO
2-Ni-Fe coated material, comprises the component of following mass percent:
Co accounts for 64%, ZrO
2account for 21.4%, Ni to account for 7%, Fe and account for 7%, trace mineral supplement accounts for 0.6%;
Described trace mineral supplement is mixed according to the ratio of 0.6 ︰ 1 ︰ 2.5 ︰ 2 ︰ 1 by C, Ti, Mo, Zn, Al.
A preparation method for Co-Zn-Mn-Ti coated material, described method steps is as follows: described Co, ZrO
2, Ni, Fe all adopt aerosolization legal system to obtain nanometer ball, then the nanometer powder adopting promoting agent protection method to mix trace mineral supplement to make, finally adopt plasma spray coating process to be sprayed on piece surface to form coating.
In order to prove actual effect of the present invention and performance, the special plasma technology that adopts obtains Co-ZrO on mould
2-Ni-Fe coating, after embodiment one to embodiment four being implemented, tests bonding strength, microhardness, void content and abrasive wear resistance respectively, and utilizes XRD to carry out Phase Structure Analysis to coating.Experimental result is as follows:
| Numbering | Porosity (AREA%) | Bonding strength (MPa) | Microhardness (HV) |
| Embodiment one | 0.685 | 65.3 | 989 |
| Embodiment two | 0.654 | 66.3 | 998 |
| Embodiment three | 0.630 | 64.7 | 1253 |
| Embodiment four | 0.587 | 63.4 | 1017 |
| Mean value | 0.639 | 64.9 | 1064 |
| Comparative group | 0.946 | 38.7 | 465 |
Wherein, comparative group is common coating.
Polishing machine testing data is as follows:
| Numbering | Before wearing and tearing (g) | After wearing and tearing (g) | Abrasion loss (mg) |
| 1 | 59.7664 | 59.7618 | 46 |
| 2 | 59.6553 | 59.6527 | 26 |
| 3 | 59.3431 | 59.3389 | 42 |
| 4 | 59.8067 | 59.8017 | 50 |
| Comparative group | 59.5079 | 59.4835 | 244 |
Reference Fig. 1 is also known in conjunction with above-mentioned Experimental comparison's data, and hardness reaches HRC53, has certain hardness and wear resistance.Have certain reduction due to material hardness but higher bonding strength can be obtained, and cost is lower, can be used for coated surface material or primer.Coat-thickness can reach 4.5 millimeters, and coating toughness, conjugation are high, improves the ulking thickness of coating greatly.This nano material is better than conventional washcoat material, and hardness is high, wear resistance is good has larger progress compared with conventional alloys material.This shows the Co-ZrO prepared
2-Ni-Fe coating has excellent abrasive wear resistance, can be widely used in industrial production and aerospace field.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not by the restriction of step embodiment; the just principle of the present invention described in step embodiment and specification sheets; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. a Co-ZrO
2-Ni-Fe coated material, is characterized in that: the component comprising following mass percent:
Co accounts for 58% ~ 72%, ZrO
2account for 14% ~ 28%, Ni to account for 6% ~ 8%, Fe and account for 6% ~ 8%, trace mineral supplement accounts for 0.25% ~ 0.79%;
Described trace mineral supplement is mixed according to the ratio of 0.6 ︰ 1 ︰ 2.5 ︰ 2 ︰ 1 by C, Ti, Mo, Zn, Al.
2. a kind of Co-ZrO according to claim 1
2the preparation method of-Ni-Fe coated material, is characterized in that: described method steps is as follows: described Co, ZrO
2, Ni, Fe all adopt aerosolization legal system to obtain nanometer ball, then the nanometer powder adopting promoting agent protection method to mix trace mineral supplement to make, finally adopt plasma spray coating process to be sprayed on piece surface to form coating.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105695920A (en) * | 2016-01-29 | 2016-06-22 | 柳州市安龙机械设备有限公司 | Manufacturing method for composite roller |
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| US6007598A (en) * | 1996-06-04 | 1999-12-28 | Omg Americas, Inc. | Metallic-carbide-group VIII metal powder and preparation methods thereof |
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Application publication date: 20151021 |