CN103103469A - Preparation method of aluminum alloy wear-resistant coating - Google Patents
Preparation method of aluminum alloy wear-resistant coating Download PDFInfo
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- CN103103469A CN103103469A CN2012105330988A CN201210533098A CN103103469A CN 103103469 A CN103103469 A CN 103103469A CN 2012105330988 A CN2012105330988 A CN 2012105330988A CN 201210533098 A CN201210533098 A CN 201210533098A CN 103103469 A CN103103469 A CN 103103469A
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Abstract
The invention relates to a preparation method of an aluminum alloy wear-resistant coating. The preparation method comprises the following steps of: carrying out sand blasting roughening treatment on the surface of an aluminum alloy matrix; spraying a metal alloy coating on the surface of the aluminum alloy matrix by using a plasma spraying system; subsequently spraying ceramic powder on the metal alloy coating by using the plasma spraying system so as to obtain the aluminum alloy wear-resistant coating, wherein the parameters of the plasma spraying process are as follows: the spraying distance is 80-100mm, the powder feeding rate is 60-65g/min, the argon flow is 30-40L/min, the hydrogen flow is 7-9L/min, the current is 55A and the voltage is 60-65V. The metal alloy coating is a Ni-Al alloy coating. The granularity of the Ni-Al alloy powder is 50-100mu m. The preparation method has the beneficial effects that the aluminum alloy wear-resistant coating with good binding strength is prepared by using a plasma spraying process, and due to the introduction of a Ni-Al transit layer, the aluminum alloy can be well bonded with the coating.
Description
Technical field
The present invention relates to a kind of preparation method of spray-on coating, relate in particular to a kind of preparation method of aluminium alloy wear-proof coating.
Background technology
Aluminium alloy has a good application prospect in fields such as aerospace due to advantages such as its light weights.But also there is certain defective in aluminium alloy capability, and its hardness is low, wear no resistance.Plasma spraying coating has many advantages, has strengthening aluminum alloy surface hardness, wear resistance etc.But the bonding strength of present coating and aluminium alloy is not high and preparation condition harsh.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of preparation method of aluminium alloy wear-proof coating is provided.Can make aluminium alloy be combined well with coating and preparation technology simple.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of preparation method of aluminium alloy wear-proof coating, it is characterized in that, and comprise the steps: aluminium alloy matrix surface is carried out the sandblast roughening treatment; Utilize plasma spray system at described aluminium alloy matrix surface metallize alloy coat; Subsequently ceramic powder is utilized plasma spray system to be sprayed on described metal alloy coating, obtain the aluminium alloy wear-proof coating, wherein the plasma spray coating process parameter is: spray distance: 80-100mm, powder feeding rate: 60-65g/min, argon flow amount 30-40L/min, hydrogen flowing quantity 7-9L/min, electric current: 55A, voltage 60-65V.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described metal alloy coating is the Ni-Al alloy coat.
Further, described Ni-Al powdered alloy granularity is 50-100 μ m.
Further, described ceramic powder is metal oxide ceramic powder.
Further, the granularity of described metal oxide ceramic powder is respectively 30～50 μ m.
The invention has the beneficial effects as follows: utilize plasma spray coating process to prepare the good aluminium alloy wear-proof coating of bonding strength; By the introducing of Ni-Al transition layer, can make aluminium alloy be combined well with coating.
Embodiment
Be described below in conjunction with principle of the present invention and feature, example only is used for explaining the present invention, is not be used to limiting scope of the present invention.
Embodiment 1
A kind of preparation method of aluminium alloy wear-proof coating is characterized in that, comprises the steps: aluminium alloy matrix surface is carried out the sandblast roughening treatment; Utilize plasma spray system at described aluminium alloy matrix surface metallize alloy coat; Subsequently ceramic powder is utilized plasma spray system to be sprayed on described metal alloy coating, obtain the aluminium alloy wear-proof coating, wherein the plasma spray coating process parameter is: spray distance: 90mm, powder feeding rate: 60g/min, argon flow amount 30L/min, hydrogen flowing quantity 9L/min, electric current: 55A, voltage 60V.
Described metal alloy coating is the Ni-Al alloy coat.
Described Ni-Al powdered alloy granularity is 50-70 μ m.
Described ceramic powder is metal oxide ceramic powder.
The granularity of described metal oxide ceramic powder is 30～35 μ m.
Embodiment 2
A kind of preparation method of aluminium alloy wear-proof coating is characterized in that, comprises the steps: aluminium alloy matrix surface is carried out the sandblast roughening treatment; Utilize plasma spray system at described aluminium alloy matrix surface metallize alloy coat; Subsequently ceramic powder is utilized plasma spray system to be sprayed on described metal alloy coating, obtain the aluminium alloy wear-proof coating, wherein the plasma spray coating process parameter is: spray distance: 80mm, powder feeding rate: 62g/min, argon flow amount 38L/min, hydrogen flowing quantity 7L/min, electric current: 55A, voltage 65V.
Described metal alloy coating is the Ni-Al alloy coat.
Described Ni-Al powdered alloy granularity is 80-100 μ m.
Described ceramic powder is metal oxide ceramic powder.
The granularity of described metal oxide ceramic powder is 40～50 μ m.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. the preparation method of an aluminium alloy wear-proof coating, is characterized in that, comprises the steps: aluminium alloy matrix surface is carried out the sandblast roughening treatment; Utilize plasma spray system at described aluminium alloy matrix surface metallize alloy coat; Subsequently ceramic powder is utilized plasma spray system to be sprayed on described metal alloy coating, obtain the aluminium alloy wear-proof coating; Wherein the plasma spray coating process parameter is: spray distance: 80-100mm, powder feeding rate: 60-65g/min, argon flow amount 30-40L/min, hydrogen flowing quantity 7-9L/min, electric current: 55A, voltage 60-65V.
2. the preparation method of aluminium alloy wear-proof coating according to claim 1, is characterized in that, described metal alloy coating is the Ni-Al alloy coat.
3. the preparation method of aluminium alloy wear-proof coating according to claim 2, is characterized in that, described Ni-Al powder size is 50-100 μ m.
4. the preparation method of aluminium alloy wear-proof coating according to claim 1, is characterized in that, described ceramic powder is metal oxide ceramic powder.
5. the preparation method of aluminium alloy wear-proof coating according to claim 4, is characterized in that, the granularity of described metal oxide ceramic powder is 30～50 μ m.
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| CN2012105330988A CN103103469A (en) | 2012-12-11 | 2012-12-11 | Preparation method of aluminum alloy wear-resistant coating |
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| CN2012105330988A CN103103469A (en) | 2012-12-11 | 2012-12-11 | Preparation method of aluminum alloy wear-resistant coating |
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| CN2012105330988A Pending CN103103469A (en) | 2012-12-11 | 2012-12-11 | Preparation method of aluminum alloy wear-resistant coating |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593620A (en) * | 2015-01-12 | 2015-05-06 | 福州大学 | Preparation and repairing methods of molten aluminum corrosive wear resistant rotor for molten aluminum degassing |
| CN104694868A (en) * | 2015-03-17 | 2015-06-10 | 河北工业大学 | Preparation method of nitride-oxide composite porous ceramic coating |
| CN104789922A (en) * | 2015-03-27 | 2015-07-22 | 苏州市大力电器有限公司 | Preparation method of wear-resistant aluminum alloy tubular product |
| CN104806870A (en) * | 2015-03-27 | 2015-07-29 | 苏州市大力电器有限公司 | Abrasion-resisting aluminum alloy tubular product |
| CN104947150A (en) * | 2015-06-18 | 2015-09-30 | 长安大学 | Method for manufacturing aluminum electrolytic metal-ceramic composite anode shell |
| CN106148876A (en) * | 2015-03-27 | 2016-11-23 | 绍兴昊诚新材料科技有限公司 | A kind of novel aluminum alloy die-casting die surface peening coating and preparation method thereof |
| CN106756715A (en) * | 2016-12-08 | 2017-05-31 | 钦州太平电子科技有限公司 | A kind of preparation method of aluminum alloy corrosion resistant coating |
| CN108115109A (en) * | 2017-12-22 | 2018-06-05 | 西安交通大学 | A kind of plasticmetal-ceramic laminated coating die casting and preparation method thereof |
| CN108411243A (en) * | 2018-03-29 | 2018-08-17 | 北京工业大学 | A kind of Coating Materials of Plasma Spraying of high bond strength and preparation method thereof |
| CN110760783A (en) * | 2019-12-11 | 2020-02-07 | 安徽实友电力金具有限公司 | Method for improving wear resistance of aluminum alloy electric power fitting |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593620A (en) * | 2015-01-12 | 2015-05-06 | 福州大学 | Preparation and repairing methods of molten aluminum corrosive wear resistant rotor for molten aluminum degassing |
| CN104694868A (en) * | 2015-03-17 | 2015-06-10 | 河北工业大学 | Preparation method of nitride-oxide composite porous ceramic coating |
| CN104694868B (en) * | 2015-03-17 | 2017-09-29 | 河北工业大学 | The preparation method of oxide nitride composite porous ceramic coating |
| CN106148876B (en) * | 2015-03-27 | 2019-04-02 | 绍兴科霆新材料科技有限公司 | A kind of novel aluminum alloy die-casting die surface peening coating and preparation method thereof |
| CN104789922A (en) * | 2015-03-27 | 2015-07-22 | 苏州市大力电器有限公司 | Preparation method of wear-resistant aluminum alloy tubular product |
| CN104806870A (en) * | 2015-03-27 | 2015-07-29 | 苏州市大力电器有限公司 | Abrasion-resisting aluminum alloy tubular product |
| CN106148876A (en) * | 2015-03-27 | 2016-11-23 | 绍兴昊诚新材料科技有限公司 | A kind of novel aluminum alloy die-casting die surface peening coating and preparation method thereof |
| CN104947150A (en) * | 2015-06-18 | 2015-09-30 | 长安大学 | Method for manufacturing aluminum electrolytic metal-ceramic composite anode shell |
| CN104947150B (en) * | 2015-06-18 | 2017-10-13 | 长安大学 | A kind of preparation method of aluminium electroloysis cermet composite anode shell |
| CN106756715A (en) * | 2016-12-08 | 2017-05-31 | 钦州太平电子科技有限公司 | A kind of preparation method of aluminum alloy corrosion resistant coating |
| CN108115109A (en) * | 2017-12-22 | 2018-06-05 | 西安交通大学 | A kind of plasticmetal-ceramic laminated coating die casting and preparation method thereof |
| CN108411243A (en) * | 2018-03-29 | 2018-08-17 | 北京工业大学 | A kind of Coating Materials of Plasma Spraying of high bond strength and preparation method thereof |
| CN108411243B (en) * | 2018-03-29 | 2020-10-16 | 北京工业大学 | High-bonding-strength plasma spraying coating material and preparation method thereof |
| CN110760783A (en) * | 2019-12-11 | 2020-02-07 | 安徽实友电力金具有限公司 | Method for improving wear resistance of aluminum alloy electric power fitting |
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Application publication date: 20130515 |