Ti—5Al—4Sn—2Zr—1Mo—0.25Si—1Nd合金焊接性 | |
郝传勇; 时元宝; 李正林; 毛先锋 | |
2003 | |
Source Publication | 焊接学报
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ISSN | 0253-360X |
Volume | 24.0Issue:003Pages:9-12 |
Abstract | 考察了Ti-5Al-4Sn-2Zr-1Mo-0.25Si-1Nd合金焊接接头力学性能。结果表明,Ti-5Al-4Sn-2Zr-1Mo-0.25Si-1Nd钛合金的焊接热影响区存在硬化倾向,塑性不足。焊前预热150℃可使焊接热影响区塑性明显改善。通过改变焊缝合金系统和焊后热处理制度等工艺措施,可以调整焊缝的综合力学性能,使之达到技术指标要求。文中还探讨了Ti-5Al-4Sn-2Zr-1Mo-0.25Si-1Nd合金焊接脆性的机理,认为延晶界成串分布的富钕相和晶内的马氏体转变组织是根本原因。 |
Keyword | 钛合金 焊接性 富钕相 马氏体转变组织 |
Indexed By | CSCD |
Language | 中文 |
CSCD ID | CSCD:1316742 |
Citation statistics |
Cited Times:2[CSCD]
[CSCD Record]
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Document Type | 期刊论文 |
Identifier | http://ir.imr.ac.cn/handle/321006/155955 |
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 | 郝传勇,时元宝,李正林,等. Ti—5Al—4Sn—2Zr—1Mo—0.25Si—1Nd合金焊接性[J]. 焊接学报,2003,24.0(003):9-12. |
APA | 郝传勇,时元宝,李正林,&毛先锋.(2003).Ti—5Al—4Sn—2Zr—1Mo—0.25Si—1Nd合金焊接性.焊接学报,24.0(003),9-12. |
MLA | 郝传勇,et al."Ti—5Al—4Sn—2Zr—1Mo—0.25Si—1Nd合金焊接性".焊接学报 24.0.003(2003):9-12. |
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