In-situ formation of Ni-Al intermetallics-coated graphite/Al
發(fā)布時(shí)間：2023-04-21 21:59
In this study, cold spraying(CS) was used to deposit a mixture of nickel-coated graphite and 40 vol.% Al powder(Ni-Gr/Al) on a steel substrate aiming to effectively preserve a certain volume fraction of graphite in the deposited Ni-Gr/Al composite coating. The microstructure of the as-sprayed coating and the effect of post-spray heat-treatment(PSHT) temperatures on the in-situ formation of Ni-Al intermetallic phases in coating were studied. The tribological behaviors of the as-sprayed coating an...
【文章頁數(shù)】：9 頁
【文章目錄】：
1. Introduction
2. Experiments
2.1. Material preparation
2.2. Coating deposition
2.3. Post-spray heat-treatment
2.4. Powder and coating characterizations
2.5. Sliding wear test
3. Results and discussion
3.1. Microstructure characterization of as-sprayed coating
3.2. High temperature oxidation behavior of coatings
3.3. Wear performance of coatings
3.3.1. Coefficient of friction (COF)
3.3.2. Tribological mechanism
4. Conclusions
本文編號：3796324
【文章頁數(shù)】：9 頁
【文章目錄】：
1. Introduction
2. Experiments
2.1. Material preparation
2.2. Coating deposition
2.3. Post-spray heat-treatment
2.4. Powder and coating characterizations
2.5. Sliding wear test
3. Results and discussion
3.1. Microstructure characterization of as-sprayed coating
3.2. High temperature oxidation behavior of coatings
3.3. Wear performance of coatings
3.3.1. Coefficient of friction (COF)
3.3.2. Tribological mechanism
4. Conclusions
本文編號：3796324
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