Laser Cladding Study of a Pulse Discharge Enhanced Layer for W9Mo3Cr4V Steel

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Chinese Journal of Lasers >Volume 25 >Issue 4 >Page 374 > Article

Chinese Journal of Lasers
Vol. 25, Issue 4, 374 (1998)

Laser Cladding Study of a Pulse Discharge Enhanced Layer for W₉Mo₃Cr₄V Steel

[in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]², [in Chinese]², [in Chinese]², and [in Chinese]²

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¹[in Chinese]

²[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Laser Cladding Study of a Pulse Discharge Enhanced Layer for W₉Mo₃Cr₄V Steel[J]. Chinese Journal of Lasers, 1998, 25(4): 374 Copy Citation Text

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Abstract

After laser cladding, the microstructure and surface hardness of a YG8 pulse discharge coating for W 9Mo 3Cr 4V high speed steel were studied by means of XRD and TEM, etc. The results showed that the surface hardness of the coating could come up to HV 0.1 1600￣1800 after it was laser cladded. It is thought that formation of higher hard phases, such as W2C, and nanometer crystal microstructure is mainly responsible for so high coating hardness.

Keywords

discharge coating W9Mo3Cr4V steel YG8 laser cladding

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