Laser & Optoelectronics Progress, Volume. 50, Issue 11, 111401(2013)
Effect of Squashing by Cold Isostatic Pressing on Bonding Interface between NiCoCrAlY Coating and High Temperature Alloy
Based on the method of squashing presetting on the high temperature alloy to prepare NiCoCrAlY coating by laser cladding, the influence of squashing treated by cold isostatic pressing on the bonding interface is discussed. The research shows that macroscopic morphology of layers with pretreatment is complete and continuous and the phenomena of cracks in the coating interface are eliminated or reduced. With further study of mechanism, it is found that the thickness of the squashing decreased while the density and laser specific energy required for laser cladding increase, which are beneficial to the quality of interfacial morphologies of laser cladding.
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Xu Ruihua, Li Xiangfeng, Zuo Dunwen, Wang Hongyu, Liu Zhenping, Li Jianzhong. Effect of Squashing by Cold Isostatic Pressing on Bonding Interface between NiCoCrAlY Coating and High Temperature Alloy[J]. Laser & Optoelectronics Progress, 2013, 50(11): 111401
Category: Lasers and Laser Optics
Received: May. 22, 2013
Accepted: --
Published Online: Sep. 17, 2013
The Author Email: Ruihua Xu (xuruihuahappy@163.com)