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High-cycle fatigue behavior of TWIP steel with graded grains: breaking the rule of mixture
Shao, C. W.; Zhang, P.; Wang, X. G.; Wang, Q.; Zhang, Z. F.
2019-01-02
Source PublicationMATERIALS RESEARCH LETTERS
ISSN2166-3831
Volume7Issue:1Pages:26-32
AbstractWe report a method, named as T & A treatment, to improve the high-cycle fatigue (HCF) property of twinning-induced plasticity (TWIP) steel without sacrificing its ductility and work-hardening ability. A long-range gradient in grain size was obtained in the TWIP steel, whose HCF resistance is better than both coarse-grain and fine-grain steels, breaking the rule of mixture. The surprising HCF property of the graded grain structure is believed to originate from the large generation of geometrically necessary dislocations and the formation of hard core and soft shell construction during cyclic loading. IMPACT STATEMENTA new strategy, refers to long-range gradient in grain size, is proposed to improve the HCF property of TWIP steel. The graded structure exhibits better fatigue resistance than single unit. [GRAPHICS]
KeywordTWIP steel T & A treatment graded grain fatigue strength high-cycle fatigue
Indexed BySCI
Language英语
WOS IDWOS:000463802000004
PublisherTAYLOR & FRANCIS INC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81480
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Shao, C. W.,Zhang, P.,Wang, X. G.,et al. High-cycle fatigue behavior of TWIP steel with graded grains: breaking the rule of mixture[J]. MATERIALS RESEARCH LETTERS,2019,7(1):26-32.
APA Shao, C. W.,Zhang, P.,Wang, X. G.,Wang, Q.,&Zhang, Z. F..(2019).High-cycle fatigue behavior of TWIP steel with graded grains: breaking the rule of mixture.MATERIALS RESEARCH LETTERS,7(1),26-32.
MLA Shao, C. W.,et al."High-cycle fatigue behavior of TWIP steel with graded grains: breaking the rule of mixture".MATERIALS RESEARCH LETTERS 7.1(2019):26-32.
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