焊缝中夹杂物对针状铁素体形成的影响研究现状  

Review of the Effects of Inclusion on Acicular Ferrite Formation in Welds

作　　者：刘健[1] 朱丙坤[1] 彭冀湘[1] 

机构地区：[1]中国船舶重工集团公司第七二五研究所,河南洛阳471023

出　　处：《材料开发与应用》2013年第1期76-81,共6页Development and Application of Materials

基　　金：河南省科技厅科技发展计划项目(112102210326)

摘　　要：综述了近年来国内外在夹杂物对针状铁素体形成的影响方面的研究进展,重点探讨了夹杂物诱发针状铁素体形核的4种机理,以及焊缝中常见的一些夹杂物对针状铁素体形成的影响。分析指出了目前研究工作中的不足和发展的方向。In this paper,the recent progress in the effects of inclusions on the formation of acicular ferrite in welds was reviewed.Four kinds of mechanisms in which inclusions affect the formation of acicular ferrite were discussed in detail,the inclusions that often encountered in welds were focused,and the shortages in present research were pointed out.

关 键 词：针状铁素体 夹杂物 形核机理 

分 类 号：TG401[金属学及工艺—焊接]