Effect of post-weld heat treatment on a friction stir welded joint between 9Cr-ODS and CLF-1 steels | |
| Fu, Haiying1; Chai, Zongjian1; Han, Shilei1; Liu, Danhua1; Chang, Yongqin2; Chen, Yuxiang2; Li, Yanfen3; Zhang, Jiarong3; Xu, Yue4; Zhang, Kuan1; Liao, Hongbin1; Wang, Xiaoyu1; Chen, Jiming1; Li, Pengyuan1 | |
| Corresponding Author | Fu, Haiying(fuhy@swip.ac.cn) ; Li, Pengyuan(lipy@swip.ac.cn) |
| 2022-05-01 | |
| Source Publication | MATERIALS CHARACTERIZATION
 |
| ISSN | 1044-5803 |
| Volume | 187Pages:9 |
| Abstract | Dissimilar-metals welding is essential to construction of a fusion reactor by using advanced blanket structural materials of oxide dispersion strengthened (ODS) steels. In the present study, Dissimilar-metals bonding between 9Cr-ODS and CLF-1 steels was carried out by friction stir welding (FSW). Effect of post-weld heat treatment (PWHT) on microstructure and bonding properties of the joint was investigated. The results show that, quenched martensite was found in the weld metal (WM) after FSW. PWHT at 740-800 C can recover the microstructure of the WM to tempered martensite. Mid-size particles and nano-particles were observed and analyzed in the WM. Besides, in the WM on the CLF-1 side, recrystallization was found after PWHT. As the PWHT temperature increased, the recrystallization width and grain size grew up. However, the recrystallization in the WM did not degrade but may be beneficial to the bonding properties of the joint due to support ductile deformation during mechanical tests. The recommend PWHT temperature is 740-760 ? for keeping the mechanical properties of the CLF-1 base metal (BM) as that before FSW. |
| Keyword | Dissimilar-metals bonding Friction stir welding Post-weld heat treatment Recrystallization Mid-size particles Nano-particles |
| Funding Organization | Nuclear Materials Technologies Innovation Center of National Defense-related Science and Technology Industries of China ; National Key Research and Development Program of China on the In-ternational Scientific Innovation Cooperation among Governments ; Sichuan Science and Technology Planning Program ; Southwestern Institute of Physics |
| DOI | 10.1016/j.matchar.2022.111868 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | Nuclear Materials Technologies Innovation Center of National Defense-related Science and Technology Industries of China[ICNM2020ZH14] ; National Key Research and Development Program of China on the In-ternational Scientific Innovation Cooperation among Governments[2019YFE0191800] ; Sichuan Science and Technology Planning Program[2019YFH0129] ; Southwestern Institute of Physics[202101XWCXRZ001] ; Southwestern Institute of Physics[202102XWCXYD001] ; Southwestern Institute of Physics[202101XWCXRZ002] |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Characterization & Testing |
| WOS ID | WOS:000793611800001 |
| Publisher | ELSEVIER SCIENCE INC |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/173945 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Fu, Haiying; Li, Pengyuan |
| Affiliation | 1.Southwestern Inst Phys, Ctr Fus Sci, 5 Huangjing Rd, Chengdu 610225, Peoples R China 2.Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 10083, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China 4.Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Peoples R China |
| Recommended Citation GB/T 7714 |
Fu, Haiying,Chai, Zongjian,Han, Shilei,et al. Effect of post-weld heat treatment on a friction stir welded joint between 9Cr-ODS and CLF-1 steels [J]. MATERIALS CHARACTERIZATION,2022,187:9. |
| APA |
Fu, Haiying.,Chai, Zongjian.,Han, Shilei.,Liu, Danhua.,Chang, Yongqin.,...&Li, Pengyuan.(2022). Effect of post-weld heat treatment on a friction stir welded joint between 9Cr-ODS and CLF-1 steels .MATERIALS CHARACTERIZATION,187,9. |
| MLA |
Fu, Haiying,et al." Effect of post-weld heat treatment on a friction stir welded joint between 9Cr-ODS and CLF-1 steels ".MATERIALS CHARACTERIZATION 187(2022):9. |
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