Rapidly solidified amorphous and microcrystalline phases by laser glazing

Qiguang Zheng; Hangqi Hu; Meiping Li; Xingzhi Tao; Jianhui Gu; Tao Wang; Zaiguang Li

doi:10.1117/12.144174

11 May 1993 Rapidly solidified amorphous and microcrystalline phases by laser glazing

Qiguang Zheng, Hangqi Hu, Meiping Li, Xingzhi Tao, Jianhui Gu, Tao Wang, Zaiguang Li

Proceedings Volume 1979, 1992 International Conference on Lasers and Optoelectronics; (1993) https://doi.org/10.1117/12.144174
Event: 1992 International Conference on Lasers and Optoelectronics, 1992, Bejing, China

Abstract

This paper reports rapidly solidified amorphous by 10 kW cw CO₂ laser glazing Fe₄₀Ni₃₆Cr₂Si₈B₁₄ and Fe₄₀Ni₄₀P₁₆B₄ alloys, previously prepared by melting the above alloys onto mild carbon steel substrates in a vacuum furnace. The process variables of laser glazing were investigated. The surface layers of laser glazing have been examined by scanning electron microscope (SEM), transmission electron microscope (TEM), and x-ray diffraction (XRD). An amorphization layer was achieved by laser glazing. A large-area amorphous layer has also been obtained by laser overlapping glazing, but a recrystallization was produced in the overlapped area.

Citation Download Citation

Qiguang Zheng, Hangqi Hu, Meiping Li, Xingzhi Tao, Jianhui Gu, Tao Wang, and Zaiguang Li "Rapidly solidified amorphous and microcrystalline phases by laser glazing", Proc. SPIE 1979, 1992 International Conference on Lasers and Optoelectronics, (11 May 1993); https://doi.org/10.1117/12.144174

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