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; Influences of strain softening and seepage on elastic and plastic solutions of circular openings...; Abstract: Considering the influence of strain softening, the solutions of stress, displacement, plastic softening region radius and plastic residual region radius were derived......
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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... 430074, China Received 28 July 2006; accepted 15 September 2006 Abstract: To carry out biaxial tensile test in sheet metal, the biaxial tensile testing system was established. True stress-true strain......
J. Cent. South Univ. (2018) 25: 2712-2721 DOI: https://doi.org/10.1007/s11771-018-3948-8 Hydraulic bulging process with axial feedings and strain field of U-shaped metal bellows HAO Zeng-liang(郝增亮.... The finite element simulation and experiment of bellows formed by the traditional and improved hydraulic bulging processes were conducted. The grid strain measurement system analysis results of strain......
J. Cent. South Univ. Technol. (2008) 15: 569-573 DOI: 10.1007/s11771-008-0107-7 Complete splitting process of steel fiber reinforced concrete at intermediate strain rate LUO Zhang(罗 章)1... of steel fiber reinforced concrete (SFRC) at intermediate strain rate was studied by experiment. The basic information of a self-developed SFRC dynamic test system matching with Instron 1342 materials......
Preparation of AZ91D magnesium alloy semi-solid billet by new strain induced melt activated method JIANG Ju-fu(姜巨福)1, 2, LUO Shou-jing(罗守靖)1, ZOU Jing-xiang(邹经湘)2 1. School of Materials Science...; accepted 6 April 2006 Abstract:New strain induced melt activated (new SIMA) method for preparing AZ91D magnesium alloy semi-solid billet is introduced by applying equal channel angular extrusion......
Inner-product of strain rate vector through direction cosine in coordinates for disk forging ZHAO De-wen(赵德文), JIN Wen-zhong(金文忠), WANG Lei(王 磊), LIU Xiang-hua(刘相华) State Key Laboratory... strain rate for disk forging with bulge was expressed in terms of two-dimensional strain rate vector, and then its direction cosines were determined by the ratio of coordinate increments. Furthermore......
J. Cent. South Univ. Technol. (2008) 15(s1): 496-499 DOI: 10.1007/s11771-008-408-x Experimental study on time-dependent stress and strain of in-plane shear (ModeⅡ) fracture process of rock WANG Zhi(王 志), RAO Qiu-hua(饶秋华), XIE Hai-feng(谢海峰) (School of Civil and Architectural Engineering, Central South University, Changsha 410075, China) Abstract: Shear-box test with strain measurement......