Evaluation of the Low-Cycle Fatigue Life of Thin Dual-Phase Steel Sheets for Automobiles Using Miniature Specimens

doi:10.1002/srin.201900186

CORC > 金属研究所 > 中国科学院金属研究所

	Evaluation of the Low-Cycle Fatigue Life of Thin Dual-Phase Steel Sheets for Automobiles Using Miniature Specimens
	Ma, Zhen-Hua 3; Zhang, Bin 3; Song, Zhu-Man 1; Liu, Hua-Sai 2,4; Zhang, Guang-Ping 1
刊名	STEEL RESEARCH INTERNATIONAL
	2019-09-02
页码	9
关键词	cantilever beam bending dual-phase steels fatigue lives low-cycle fatigue miniature specimens
ISSN号	1611-3683
DOI	10.1002/srin.201900186
通讯作者	Zhang, Bin(zhangb@atm.neu.edu.cn) ; Zhang, Guang-Ping(gpzhang@imr.ac.cn)
英文摘要	Using miniature 95 mu m-thick cantilever beam specimens, the fatigue life of a thin dual-phase steel sheet is evaluated under deflection-controlled repeatedly bending fatigue (RBF) loading and compared with that of 2 mm-thick sheet specimens under strain-controlled uniaxial tension-compression fatigue (TCF) loading. The results indicate that the fatigue lives of the two types of specimens subjected to the respective two sorts of fatigue testing methods are almost identical in the low-cycle fatigue (LCF) regime, whereas the fatigue life of the 95 mu m-thick foil specimens is much lower than that of the 2 mm-thick sheet specimens in the high-cycle fatigue regime. The fatigue performance and fracture mechanism under the two types of fatigue loadings are discussed and the application of this method using miniature cantilever beam specimens under RBF loading is further explored. The finding provides a potential way to obtain credible LCF data for vehicle steel sheets using miniature cantilever beam foils under RBF loading instead of TCF loading which becomes more difficult for the very thin steel sheets with a thickness less than 2 mm.
资助项目	National Natural Science Foundation of China (NSFC)[51671050] ; National Natural Science Foundation of China (NSFC)[51971060] ; National Natural Science Foundation of China (NSFC)[51571199] ; National Natural Science Foundation of China (NSFC)[51771207]
WOS研究方向	Metallurgy & Metallurgical Engineering
语种	英语
出版者	WILEY-V C H VERLAG GMBH
WOS记录号	WOS:000484731900001
资助机构	National Natural Science Foundation of China (NSFC)
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/135173]
专题	金属研究所_中国科学院金属研究所
通讯作者	Zhang, Bin; Zhang, Guang-Ping
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China 2.Beijing Key Lab Green Recyclable Proc Iron & Stee, Beijing 100043, Peoples R China 3.Northeastern Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Liaoning, Peoples R China 4.Shougang Grp Co Ltd, Res Inst Technol, Beijing 100043, Peoples R China
推荐引用方式 GB/T 7714	Ma, Zhen-Hua,Zhang, Bin,Song, Zhu-Man,et al. Evaluation of the Low-Cycle Fatigue Life of Thin Dual-Phase Steel Sheets for Automobiles Using Miniature Specimens[J]. STEEL RESEARCH INTERNATIONAL,2019:9.
APA	Ma, Zhen-Hua,Zhang, Bin,Song, Zhu-Man,Liu, Hua-Sai,&Zhang, Guang-Ping.(2019).Evaluation of the Low-Cycle Fatigue Life of Thin Dual-Phase Steel Sheets for Automobiles Using Miniature Specimens.STEEL RESEARCH INTERNATIONAL,9.
MLA	Ma, Zhen-Hua,et al."Evaluation of the Low-Cycle Fatigue Life of Thin Dual-Phase Steel Sheets for Automobiles Using Miniature Specimens".STEEL RESEARCH INTERNATIONAL (2019):9.