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Proceedings Paper

Research on critical factors of cw laser glazing of Fe-C-Si-B alloy
Author(s): Minlin Zhong; Wenjin Liu; Jialie Ren; Kefu Yao; Weimin Zhang; Yong Yu
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Paper 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.

Paper Details

Date Published: 30 September 1996
PDF: 8 pages
Proc. SPIE 2888, Laser Processing of Materials and Industrial Applications, (30 September 1996); doi: 10.1117/12.253122
Show Author Affiliations
Minlin Zhong, Tsinghua Univ. (China)
Wenjin Liu, Tsinghua Univ. (China)
Jialie Ren, Tsinghua Univ. (China)
Kefu Yao, Tsinghua Univ. (China)
Weimin Zhang, Tsinghua Univ. (China)
Yong Yu, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 2888:
Laser Processing of Materials and Industrial Applications
Shu-Sen Deng; S. C. Wang, Editor(s)

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