| Microstructure evolution and mechanical properties of 316H weld metal during aging | |
| Wei, Shitong1; Zhao, Langlang2,3; Gao, Dianbao4; Lu, Shanping2 | |
| Corresponding Author | Lu, Shanping(shplu@imr.ac.cn) |
| 2020-05-02 | |
| Source Publication | MATERIALS SCIENCE AND TECHNOLOGY
 |
| ISSN | 0267-0836 |
| Volume | 36Issue:7Pages:793-804 |
| Abstract | A standard 316H welding wire was used to obtain 6% delta-ferrite in the weld metal by the automatic tungsten inert gas welding. The effect of aging time at 750 degrees C on microstructure and mechanical properties of the weld metal were analysed. The results showed that as the aging time increased, the delta-ferrite fraction decreased, and finally, delta-ferrite was no longer seen, the M23C6 fraction first increased and then decreased, and the sigma phase fraction increased. Finally, the fractions of M23C6 and sigma phase kept stable, but the size increased. Accordingly, as the aging time increased, the yield and tensile strengths first decreased significantly, then increased obviously and finally decreased slightly again, while the elongation and impact energy decreased all the time. |
| Keyword | Tungsten inert gas welding aging treatment delta-ferrite M23C6 sigma phase mechanical property |
| Funding Organization | Opening Foundation of Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences ; China Institute of Atomic Energy |
| DOI | 10.1080/02670836.2020.1743597 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | Opening Foundation of Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences[2019NMSAKF04] ; China Institute of Atomic Energy[2016-DGB-I-KYSC-0024] |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000524078800001 |
| Publisher | TAYLOR & FRANCIS LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/137760 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Lu, Shanping |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang, Peoples R China 4.China First Heavy Ind, Nucl Power & Petrochem Business Grp, Dalian, Peoples R China |
| Recommended Citation GB/T 7714 | Wei, Shitong,Zhao, Langlang,Gao, Dianbao,et al. Microstructure evolution and mechanical properties of 316H weld metal during aging[J]. MATERIALS SCIENCE AND TECHNOLOGY,2020,36(7):793-804. |
| APA | Wei, Shitong,Zhao, Langlang,Gao, Dianbao,&Lu, Shanping.(2020).Microstructure evolution and mechanical properties of 316H weld metal during aging.MATERIALS SCIENCE AND TECHNOLOGY,36(7),793-804. |
| MLA | Wei, Shitong,et al."Microstructure evolution and mechanical properties of 316H weld metal during aging".MATERIALS SCIENCE AND TECHNOLOGY 36.7(2020):793-804. |
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