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钇对9Cr-2WVTa低活化马氏体钢理学性能的影响
Alternative TitleEffect of yttrium on mechanical properties of 9Cr-2WVTa low active martensite steel
严伟; 胡平; 王伟; 赵立君; 单以银; 杨柯
2009
Source Publication核科学与工程
ISSN0258-0918
Volume000Issue:1.0Pages:50-55
Abstract研究了稀土合金元素钇对聚变堆用低活化马氏体钢9Cr-2WVTa力学性能的影响,分析了钇在低活化马氏体钢中的冶金行为。研究结果表明,钇元素容易在钢中聚集形成富钇的块状夹杂,割裂了基体的连续性,容易破裂形成微孔;轧板中这些富钇块夹杂沿着轧制方向成条线状分布,使得在拉伸和冲击断裂时出现断口分层现象,降低了钢的力学性能。
Other AbstractThe effect of the rare earth element, yttrium, on the mechanical properties of 9Cr-2WVTa low active martensite steel for fusion reactor was studied and the metallurgical behavior of yttrium in the steel was primarily analyzed. The results show that it is easy for yttrium to aggregate and form the blocky yttrium rich inclusions in the steel, which can dissever the continuity of the matrix and produce micro cracks for fracture. The yttrium rich inclusions were distributed along the rolling direction, which made the fracture surface delaminated in the tensile and impact samples, and reduced the mechanical properties of the steel.
Keyword低活化马氏体钢 力学性能
Indexed ByCSCD
Language中文
CSCD IDCSCD:3506512
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/156971
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
严伟,胡平,王伟,等. 钇对9Cr-2WVTa低活化马氏体钢理学性能的影响[J]. 核科学与工程,2009,000(1.0):50-55.
APA 严伟,胡平,王伟,赵立君,单以银,&杨柯.(2009).钇对9Cr-2WVTa低活化马氏体钢理学性能的影响.核科学与工程,000(1.0),50-55.
MLA 严伟,et al."钇对9Cr-2WVTa低活化马氏体钢理学性能的影响".核科学与工程 000.1.0(2009):50-55.
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