预置粉末工艺对熔覆层组织和性能的影响

1.中国科学院力学研究所,北京,100080

2.中国科学院力学研究所,北京,100080

3.中国科学院力学研究所,北京,100080

Influence of initializing powder process on the structure and performance of overlay

探讨了激光熔覆工艺中涂覆层材料的预置工艺对熔覆层的熔覆工艺、成分、硬度分布及相结构的影响.采用SEM、EDAX,显微硬度仪、X射线衍射仪进行测定分析.研究结果表明:在基体表面采用等离子喷涂预置涂覆粉末,经过激光熔覆能够获得成分、硬度分布均匀、组织、相结构均匀和稳定性好、热疲劳寿命长的熔覆层.

[1]	Jasim K M;Rawlings R D;West D R F .[J].Surface and Coatings Technology,1992,53:75-86.
[2]	Gravanis G;Tsetsekou A et al.[J].Surface and Coatings Technology,1991,45:145-253.
[3]	Pekshev P Yu;Murzin I G .[J].Surface and Coatings Technology,1993,56:199-208.
[4]	Petitbon A;Guignot D .[J].Materials Science and Engineering,1989,Al21:545-548.
[5]	Wu B C;Chang E;Chang S F;Tu D .[J].Journal of the American Ceramic Society,1989,72:212-218.
[6]	Bennett A .[J].Mater Sci Technol,1986,2:257-261.
[7]	Jasim K M;Rawlings R D;West D R F .[J].Mater Sci Technol,1992,8:83-91.
[8]	Tsai H L;Tsai P C;Tu D C.[J].Materials Science and Engineering,1993(06):145,155,161.

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