Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 5    No. 1    March 1995

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EFFECT OF ALUMINIUM AND BORON ON SURFACE MODIFICATION OF SOME MATERIALS
Dai Zhongxing;Yang Zixia

Mechanical Engineering Department Xiangtan University Xiangtan 411105

Abstract:The surface modification of some materials(45, T8, 5CrMnMo, 3Cr2W8V) in fused borax bath added with aluminium oxide powders and reductant was Probed. The results showed that with proper salt composition and technical parameters, and B/Al ratio 1.3~3. 2 in salt bath, the boron atoms and aluminium atoms can co-diffuse in steels, thus an ideal B-Al co-diffusion layer can be obtained which contains ferro-boron phases and ferro-aluminium phases and ensues surface modification in steels.

 

Key words: Al-B co-diffusion microstructure co-diffusion layer surface modification

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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