IMR OpenIR
He与He+CO_2双层气流保护TIG焊工艺
秦名朋; 李冬杰; 陆善平
2011
Source Publication焊接学报
ISSN0253-360X
Volume32.0Issue:011Pages:49-52
Abstract以0Cr13Ni5Mo水轮机转轮用低碳马氏体不锈钢为母材,开展了内层为氦,外层为He+CO2的双层气流保护TIG焊工艺研究.内层通纯氦避免电极直接接触外层CO2而氧化烧损,外层添加活性气体CO2向熔池溶解活性元素氧改变熔池表面张力对流模式,进而增加熔深和焊缝深宽比.研究了外层气体中CO2含量的变化对电极保护和焊缝形貌的影响.结果表明,在双层气流保护TIG焊工艺下,电极氧化烧损得到有效抑制,焊接效率是传统TIG焊工艺的两倍以上;当焊缝氧含量在0.007 6%~0.012%(质量分数)范围时,表面张力对流由外对流改变为内对流,焊缝形貌迅速由浅宽型变为深窄型.
Keyword电极保护 焊缝形貌 氧含量 表面张力对流
Indexed ByCSCD
Language中文
CSCD IDCSCD:4382145
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/153608
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
秦名朋,李冬杰,陆善平. He与He+CO_2双层气流保护TIG焊工艺[J]. 焊接学报,2011,32.0(011):49-52.
APA 秦名朋,李冬杰,&陆善平.(2011).He与He+CO_2双层气流保护TIG焊工艺.焊接学报,32.0(011),49-52.
MLA 秦名朋,et al."He与He+CO_2双层气流保护TIG焊工艺".焊接学报 32.0.011(2011):49-52.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[秦名朋]'s Articles
[李冬杰]'s Articles
[陆善平]'s Articles
Baidu academic
Similar articles in Baidu academic
[秦名朋]'s Articles
[李冬杰]'s Articles
[陆善平]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[秦名朋]'s Articles
[李冬杰]'s Articles
[陆善平]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.