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Virtual design of formability for Zircaloy-4 sheet through texture control
Liu,H1,2; Deng,S1; Chen,S1; Song,H1; Zhang,S1
2021-06-01
Source PublicationIOP Conference Series: Materials Science and Engineering
ISSN1757-8981
Volume1157Issue:1
AbstractAbstract Zircaloy-4 (Zr-4) sheet is commonly used in fuel assembly structural parts as spacer grids which are subjected to high temperature and stresses, corrosive and radiation environment. The knowledge regarding the properties and the formability with respect to initial texture of Zr-4 sheet is not enough. In this paper, finite element method was used to simulate the forming process of Zr-4 sheet, and effect of different initial hardening exponent (n value) on the formability of sheet is studied. The results show formability of sheet reveals better with larger n value. However, the hardening exponent (n value) is closely related to the features of initial texture of sheet. Thus, the well-established polycrystal plasticity method, visco plastic self-consistent (VPSC) model, was used to predict the effect of different initial textures on the hardening exponent of Zr-4 sheet, and plastic deformation mechanism of different initial textures in stamping process was analyzed. The results show that a larger the hardening exponent is obtained under a smaller normal Kearn factor (Fn) of the initial texture, and the activation of prismatic slip decreases with increasing the Fn.
DOI10.1088/1757-899X/1157/1/012069
Language英语
WOS IDIOP:1757-8981-1157-1-012069
PublisherIOP Publishing
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159423
Collection中国科学院金属研究所
Affiliation1.Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
2.School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, China
Recommended Citation
GB/T 7714
Liu,H,Deng,S,Chen,S,et al. Virtual design of formability for Zircaloy-4 sheet through texture control[J]. IOP Conference Series: Materials Science and Engineering,2021,1157(1).
APA Liu,H,Deng,S,Chen,S,Song,H,&Zhang,S.(2021).Virtual design of formability for Zircaloy-4 sheet through texture control.IOP Conference Series: Materials Science and Engineering,1157(1).
MLA Liu,H,et al."Virtual design of formability for Zircaloy-4 sheet through texture control".IOP Conference Series: Materials Science and Engineering 1157.1(2021).
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