焊条药皮颗粒度对焊缝金属结晶模式及微观组织影响初探  

Effect of granularity of coating on crystallization mode and microstructure of weld metal

作　　者：黎龙宾 徐越兰[1] 

机构地区：[1]南京理工大学材料科学与工程学院,210094

出　　处：《焊接》2014年第8期56-59,3,共4页Welding & Joining

摘　　要：初步探索了奥氏体电焊条药皮颗粒度对焊缝加金属化学成分、结晶模式及微观组织的影响,选取药皮成分中大理石和部分铁合金开展了颗粒形态和颗粒度均匀化研究。The influence of granularity of austenitic electrode coating on chemical composition,crystallization mode and microstructure of weld metal were preliminarily explored.Marble and some ferroalloys in the electrode coating were used to study of particle morphology and granularity uniformity.

关 键 词：奥氏体 颗粒度 焊缝金属 

分 类 号：TG42[金属学及工艺—焊接]