Heterogeneous Microstructure-Induced Creep Failure Responses in Various Sub-Zones of Modified 310S Welded Joints
文献类型：期刊论文
| 作者 | Jiang, Yunlu1,2; Kan, Ying1; Chen, Huaining1 |
| 刊名 | METALS
 |
| 出版日期 | 2022 |
| 卷号 | 12期号:1页码:15 |
| 关键词 | heat-resistant stainless steel welded joint creep rupture microstructure evolution |
| DOI | 10.3390/met12010116 |
| 通讯作者 | Chen, Huaining(hnchen@imr.ac.cn) |
| 英文摘要 | In order to reveal the creep failure behavior of novel modified 310S austenite steel welded joints, the creep life and microstructure evolution of the 310S austenite steel welded joints were investigated in this study. The rupture life was assessed to estimate the damage of the welded joint based on creep rupture tests performed at 600 degrees C in the stress range of 170-238 MPa. Compared with WM, HAZ facilitated the occurrence of creep failure in long term creep due to the combination of a smaller hardness value, a more heterogenous microstructure accompanied by coarsened M23C6, a larger grain size, higher KAM and Schmid factor. Discontinuous Laves phases appeared near the boundaries between the delta-ferrite and gamma-austenite grains in the WM, and dislocation strengthening and precipitation strengthening were observed near the boundary in the BM. Furthermore, segregation elements were detected by APT and EDS adjacent to the boundary. Cr and C segregation near grain boundaries weaken the creep resistance in long term creep service. |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000757560600001 |
| 出版者 | MDPI |
| 源URL | [http://ir.imr.ac.cn/handle/321006/173468]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Chen, Huaining |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiang, Yunlu,Kan, Ying,Chen, Huaining. Heterogeneous Microstructure-Induced Creep Failure Responses in Various Sub-Zones of Modified 310S Welded Joints[J]. METALS,2022,12(1):15. |
| APA | Jiang, Yunlu,Kan, Ying,&Chen, Huaining.(2022).Heterogeneous Microstructure-Induced Creep Failure Responses in Various Sub-Zones of Modified 310S Welded Joints.METALS,12(1),15. |
| MLA | Jiang, Yunlu,et al."Heterogeneous Microstructure-Induced Creep Failure Responses in Various Sub-Zones of Modified 310S Welded Joints".METALS 12.1(2022):15. |
入库方式： OAI收割
来源：金属研究所
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