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Subsequent yield loci of 5754O aluminum alloy sheet WANG Hai-bo(王海波), WAN Min(万 敏), WU Xiang-dong(吴向东), YAN Yu(阎 昱) School of Mechanical Engineering and Automation, Beihang University... the subsequent yield locus of sheet metal was established. With this method, the subsequent yield loci of 5754O aluminum alloy sheet were obtained under complex loading paths. Theoretical subsequent yield......
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Yield Improvement and Advanced Defect Control--Driving Forces for Modeling of Bulk Crystal Growth Jochen Friedrich1,Georg Mueller1 (1.Crystal Growth Laboratory, University Erlangen-Nürnberg (WW6) and Fraunhofer Institute of Integrated Systems and Device Technology (IISB) Martensstrasse 7, D-91058 Erlangen, Germany) Abstract:Yield improvement and advanced defect control can be identified......
New double yield surface model for coarse granular materials incorporating nonlinear unified failure criterionLIU Meng-cheng(刘萌成)1,2, LIU Han-long(刘汉龙)1, GAO Yu-feng(高玉峰)1(1. State Key Laboratory..., China)Abstract:A new double-yield-surface (DYS) model was developed to characterize the strength and deformation behaviors of coarse granular materials (CGMs). Two kinds of deformation mechanisms......
J. Cent. South Univ. Technol. (2008) 15(s1): 322-325 DOI: 10.1007/s11771-008-372-5 Variation of yield stress of Daqing crude oil with pipelining history LI Li(李 立)1, HOU Lei(侯 磊)2, SUN Li-xin(孙... University of Petroleum (Beijing), Beijing 102249, China) Abstract: The yield stress of waxy crude oil is a fundamental parameter in the calculation of pipelining technique and analysis of flow......
J. Cent. South Univ. Technol. (2008) 15(s1): 447-452 DOI: 10.1007/s11771-008-397-9 Mechanical model for yield strength of nanocrystalline materials under high strain rate loading ZHU Rong-tao(朱... yield strength of nanocrystalline materials, a new mechanical model based on the deformation mechanism of nanocrystalline materials under high strain rate loading was developed. As a first step......
Equal perimeter yield criterion and its specific plastic work rate:Development, validation and applicationZHANG Shun-hu(章顺虎)1, ZHAO De-wen(赵德文)2, CHEN Xiao-dong(陈晓东)3(1. Shagang School of Iron..., Soochow University, Suzhou 215123, China)Abstract:In order to overcome the nonlinearity of Mises criterion, a new linear yield criterion with a dodecagon shape of the same perimeter as Mises criterion......
Stress-strain curves for different loading paths and yield loci of aluminum alloy sheets WU Xiang-dong(吴向东)1, 2, WAN Min(万 敏)1, HAN Fei(韩 非)1, WANG Hai-bo(王海波)1 1. School.... Experimental yield points for three aluminum alloy sheets from 0.2% to 2% plastic strain were determined based on the equivalent plastic work. And the geometry of the experimental yield loci were......