Property enhancement of cold sprayed Al-diamond MMC coating by using core-shelled diamond reinforcements
Citation:
Yin, S., Chen, C., Lupoi, R. Property enhancement of cold sprayed Al-diamond MMC coating by using core-shelled diamond reinforcements, ITSC 2019 - Proceedings of the International Thermal Spray Conference, Yokohama (Japan), May 26-29, ASM International, 2019, 469 - 475Download Item:
ITSC2019-Property enhancement of cold sprayed Al-diamond MMC coating by using core-shelled diamond reinforcements.pdf (Published (author's copy) - Peer Reviewed) 486.5Kb
Abstract:
Super wear-resistance and light-weight Al-based metal matrix composite (MMC) coatings were produced using cold spray. Cu-Ni coated diamond with core-shell structure and pure diamond were used as reinforcing particles, respectively. The experimental results indicate that the metallic Cu-Ni shell as a ‘buffer layer’ effectively prevented the fracture of the diamond core upon impact, while the pure diamond suffered from severe fracture during cold spray deposition. The Cu-Ni coated diamond particles were found to be much easier to deposit than pure diamond particle due to formation of metallurgical bonding between the Cu shell and Al matrix which facilitates the deposition of Cu-Ni coated diamond particles. The tribological study indicates that both diamond reinforced MMC coatings exhibited super wear resistance performance. The coating reinforced with Cu-Ni coated diamond had better wear resistance performance than the one reinforced with pure diamond due to the higher diamond content and involvement of Cu and Ni.
Author's Homepage:
http://people.tcd.ie/lupoir
Author: Lupoi, Rocco
Other Titles:
ITSC 2019 - Proceedings of the International Thermal Spray ConferenceInternational Thermal Spray Conference and Exposition (ITSC 2019): New Waves of Thermal Spray Technology For Sustainable Growth
Publisher:
ASM InternationalType of material:
Conference PaperAvailability:
Full text availableKeywords:
Metal matrix composite (MMC) coatings, Reinforcing particles, Cu-Ni coated diamond, Pure diamond, Cold sprayISBN:
9781510888005Licences: