高频焊缝组织及缺陷分析  

Analyses of Structures and Defects in HFRW Joint

作　　者：杨满存 

机构地区：[1]宝鸡石油钢管厂

出　　处：《焊管》1994年第4期8-13,共6页Welded Pipe and Tube

摘　　要：本文结合生产实际论述了ＥＲＷ焊接时输入热量、挤压力、焊接速度对熔合线宽度热影响区宽度、流线上升角的影响机理。对焊缝缺陷脆性断口、灰斑、夹杂物提出了见解。另外介绍了母材缺陷分层、夹杂物、带状组织对ＥＲＷ焊缝的危害性。This paper, connected with practical production of ERW steel pipe, discussed the effect mechanism of the bond width, HAZ width and stream line angle caused by heat input, upsetting force and welding speed during the welding of ERW steel pipe. Some opinions about brittle fracture, gray spot and impurities in the weld are proposed. In addition, it is introduced that the layer, impurities and band structure in base material are harmful to the weld quality of ERW steel pipe.

关 键 词：电阻焊钢管 焊接接头 缺陷 分析 

分 类 号：TG335.75[金属学及工艺—金属压力加工]