Research on critical factors of cw laser glazing of Fe-C-Si-B alloy

Minlin Zhong; Wenjin Liu; Jialie Ren; Kefu Yao; Weimin Zhang; Yong Yu

doi:10.1117/12.253122

30 September 1996 Research on critical factors of cw laser glazing of Fe-C-Si-B alloy

Minlin Zhong, Wenjin Liu, Jialie Ren, Kefu Yao, Weimin Zhang, Yong Yu

Proceedings Volume 2888, Laser Processing of Materials and Industrial Applications; (1996) https://doi.org/10.1117/12.253122
Event: Photonics China '96, 1996, Beijing, China

Abstract

Bright layers covering 80 percent of the melt area have been achieved by laser glazing on Fe-C-Si-B eutectic matrix prealloyed by laser on nodular iron substrates, which are verified to be metallic glasses by TEM electron diffraction. It is demonstrated in the paper that epitaxial growth from the crystalline substrate in melt bottom is the universal phenomenon and critical factor during laser glazing. The principal condition for glass forming is the abrupt stop of the epitaxial growth during solidification, which is comprehensively dependent upon the eutectic composition, composition homogeneity, microstructure fineness, laser glazing power density and scanning velocity.

Citation Download Citation

Minlin Zhong, Wenjin Liu, Jialie Ren, Kefu Yao, Weimin Zhang, and Yong Yu "Research on critical factors of cw laser glazing of Fe-C-Si-B alloy", Proc. SPIE 2888, Laser Processing of Materials and Industrial Applications, (30 September 1996); https://doi.org/10.1117/12.253122

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