非电解盐浴硼铝共渗层组织及其形成机理研究

RESEARCH ON THE MICROSTRUCTVRE AND ITS FORMATION MECHANISMS OF B-Al Co- DIFFUSED IAYER IN NONELECTROIYTE OF FUSED SAITS

本文探讨了４５、Ｔ８、５ＣｒＭｎＭｏ、３Ｃｒ２Ｗ８Ｖ钢，在添加还原剂的硼砂、氧化铝浴中的渗层组织及其形成机理，结果表明，当盐浴中Ｂ／Ａ｜值在一定范围时，硼、铝原子可以共同扩散．获得铁硼相和铁铝相组成的渗层。

This paper probes the microstructure and its formation mechanisms of B-Al co-diffused Layer of 45、T8、5CrMnMe、3Cr2W8V steels in the fused salts composed of the borax and alundum with reducing agent The result shows That,as B/Ae ratio 1.2～3.8,the boron atoms and aluminium atoms can co-diffution in steel and obtained co-diffusd layer contain ferro-boron phases and ferroaluminium phases.