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Influence of thermal aging on microstructure and mechanical properties of CLAM steel
L. X. Huang; X. Hu; C. G. Yang; W. Yan; F. R. Xiao; Y. Y. Shan; K. Yang
2013
Source PublicationJournal of Nuclear Materials
ISSN0022-3115
Volume443Issue:1-3Pages:479-483
AbstractIn order to investigate the influence of thermal aging on microstructure and mechanical properties of CLAM (China low activation martensitic) steel, a comparison study was made on the as-tempered and the aged steels. The tempered CLAM steels were subjected to aging treatment at 600 degrees C for 1100 h and 3000 h, and at 650 degrees C for 1100 h, respectively. The changes of microstructure were characterized by both transmission electron microscope (TEM) and scanning electron microscope (SEM). The mechanical properties were evaluated by Charpy impact, tensile and Vickers hardness tests. The upper shelf energy (USE) of the thermal aged CLAM steel decreased with the extension of aging time, while the yield strength changed slightly. After long-term thermal aging, the MX type precipitates remained stable. The coarsening of M23C6 and the formation of Laves phase were confirmed by scanning/transmission electron microscopes. The Laves phase was the main factor leading to the increase of DBTT. (C) 2013 Elsevier B.V. All rights reserved.
description.department[huang, lixin ; xiao, furen] yanshan univ, state key lab metastable mat sci & technol, qinhuangdao 066004, peoples r china. [huang, lixin ; hu, xue ; yang, chunguang ; yan, wei ; shan, yiyin ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; shan, yy (reprint author), chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; lxhuang@ysu.edu.cn ; yyshan@imr.ac.cn
Keyword9-12-percent Cr Steels Martensitic Steels Creep Behavior Eurofer97
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72377
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
L. X. Huang,X. Hu,C. G. Yang,et al. Influence of thermal aging on microstructure and mechanical properties of CLAM steel[J]. Journal of Nuclear Materials,2013,443(1-3):479-483.
APA L. X. Huang.,X. Hu.,C. G. Yang.,W. Yan.,F. R. Xiao.,...&K. Yang.(2013).Influence of thermal aging on microstructure and mechanical properties of CLAM steel.Journal of Nuclear Materials,443(1-3),479-483.
MLA L. X. Huang,et al."Influence of thermal aging on microstructure and mechanical properties of CLAM steel".Journal of Nuclear Materials 443.1-3(2013):479-483.
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