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Effect of post weld heat treatment on the microstructure and mechanical properties of ITER-grade 316LN austenitic stainless steel weldments

文献类型：期刊论文

作者Xin, Jijun1,2; Fang, Chao1; Song, Yuntao1; Wei, Jing1; Xu, Shen1; Wu, Jiefeng1
刊名CRYOGENICS
出版日期2017-04-01
卷号83页码:1-7
关键词316ln Austenitic Stainless Steel Post Weld Heat Treatment Impact Toughness Fracture Sigma-phase
DOI10.1016/j.cryogenics.2017.02.001
文献子类Article
英文摘要The effect of postweld heat treatment (PWHT) on the microstructure and mechanical properties of ITERgrade 316LN austenitic stainless steel joints with ER316LMn filler material was investigated. PWHT aging was performed for 1 h at four different temperatures of 600 degrees C, 760 degrees C, 870 degrees C and 920 degrees C, respectively. The microstructure revealed the sigma phase precipitation occurred in the weld metals heat-treated at the temperature of 870 degrees C and 920 degrees C. The PWHT temperatures have the less effect on the tensile strength, and the maximum tensile strength of the joints is about 630 MPa, reaching the 95% of the base metal, whereas the elongation is enhanced with the rise of PWHT temperatures. Meanwhile, the sigma phase precipitation in the weld metals reduces the impact toughness. (C) 2017 Elsevier Ltd. All rights reserved.
WOS关键词AISI 316L ; SIGMA-PHASE ; PRECIPITATION ; EVOLUTION ; TEMPERATURE ; PREDICTION
WOS研究方向Thermodynamics ; Physics
语种英语
WOS记录号WOS:000399851800001
资助机构CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division ; CNDA ITER IO magnet division
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33507]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Xin, Jijun,Fang, Chao,Song, Yuntao,et al. Effect of post weld heat treatment on the microstructure and mechanical properties of ITER-grade 316LN austenitic stainless steel weldments[J]. CRYOGENICS,2017,83:1-7.
APA Xin, Jijun,Fang, Chao,Song, Yuntao,Wei, Jing,Xu, Shen,&Wu, Jiefeng.(2017).Effect of post weld heat treatment on the microstructure and mechanical properties of ITER-grade 316LN austenitic stainless steel weldments.CRYOGENICS,83,1-7.
MLA Xin, Jijun,et al."Effect of post weld heat treatment on the microstructure and mechanical properties of ITER-grade 316LN austenitic stainless steel weldments".CRYOGENICS 83(2017):1-7.

入库方式： OAI收割

来源：合肥物质科学研究院

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