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Effect of titanium contents on the microstructure and mechanical properties for 9Cr2WVTa deposited metals
Wang, Jian; Rong, Lijian; Li, Dianzhong; Lu, Shanping; Lu, SP (reprint author), Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China.; Lu, SP (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2017-05-01
发表期刊JOURNAL OF MATERIALS RESEARCH
ISSN0884-2914
卷号32期号:9页码:1748-1759
摘要Four 9Cr2WVTa deposited metals with different titanium contents were studied to reveal the role of minor elements titanium, which guide for the design of welding consumables for reduced activation ferritic/martensitic steel and meet for the requirements of accelerator driven systems-lead fusion reactors. The microstructural evolution of 9Cr2WVTa deposited metals was analyzed and discussed. Results show that the surface layer of 9Cr2WVTa deposited metal exhibits the columnar structure and the -ferrite is seen as a film distributed along the martensite lath. The microstructures are uniform in the middle of the deposited metal and exhibit the equiaxed structure. The fine stripe -ferrite decorates along the prior austenite grain boundaries and therefore, refines the grain size. The primary blocky Ti-enriched particles are the main factor affecting the mechanical properties for the 9Cr2WVTa deposited metal. The 9Cr2WVTa deposited metals obtain good mechanical properties when the titanium content does not exceed 0.08 wt%.; Four 9Cr2WVTa deposited metals with different titanium contents were studied to reveal the role of minor elements titanium, which guide for the design of welding consumables for reduced activation ferritic/martensitic steel and meet for the requirements of accelerator driven systems-lead fusion reactors. The microstructural evolution of 9Cr2WVTa deposited metals was analyzed and discussed. Results show that the surface layer of 9Cr2WVTa deposited metal exhibits the columnar structure and the -ferrite is seen as a film distributed along the martensite lath. The microstructures are uniform in the middle of the deposited metal and exhibit the equiaxed structure. The fine stripe -ferrite decorates along the prior austenite grain boundaries and therefore, refines the grain size. The primary blocky Ti-enriched particles are the main factor affecting the mechanical properties for the 9Cr2WVTa deposited metal. The 9Cr2WVTa deposited metals obtain good mechanical properties when the titanium content does not exceed 0.08 wt%.
部门归属[wang, jian ; rong, lijian ; lu, shanping] chinese acad sci, inst met res, key lab nucl mat & safety assessment, shenyang 110016, peoples r china ; [wang, jian ; li, dianzhong ; lu, shanping] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china
关键词Nuclear Materials Microstructure Welding
学科领域Materials Science, Multidisciplinary
资助者National Natural Science Foundation of China [91226204]; Chinese Academy of Sciences [XDA03010304]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78161
专题中国科学院金属研究所
通讯作者Lu, SP (reprint author), Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China.; Lu, SP (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Wang, Jian,Rong, Lijian,Li, Dianzhong,et al. Effect of titanium contents on the microstructure and mechanical properties for 9Cr2WVTa deposited metals[J]. JOURNAL OF MATERIALS RESEARCH,2017,32(9):1748-1759.
APA Wang, Jian,Rong, Lijian,Li, Dianzhong,Lu, Shanping,Lu, SP ,&Lu, SP .(2017).Effect of titanium contents on the microstructure and mechanical properties for 9Cr2WVTa deposited metals.JOURNAL OF MATERIALS RESEARCH,32(9),1748-1759.
MLA Wang, Jian,et al."Effect of titanium contents on the microstructure and mechanical properties for 9Cr2WVTa deposited metals".JOURNAL OF MATERIALS RESEARCH 32.9(2017):1748-1759.
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