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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......
RECRYSTALLIZATION BEHAVIOR AND PRIOR AUSTENITE GRAIN BOUNDARY CORROSION IN THE PLANE STRAIN COMPRESSION CONDITION FOR A LOW CARBON X70 PIPELINE STEEL Y.Y.Shan1,Y.S.Li2,Y.H.Li3,J.Wang4 (1.Institute... pipeline steel was studied in the plane strain compression condition. It was found that the dynamic recovery but no dynamic recrystallization occurred in the current experimental condition. A method......
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......
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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......
Effect of strain strengthening on fatigue behavior of 022Cr17Ni12Mo2 stainless steel GAO Yi1, PENG Jian1, 2, DAI Qiao2, 3, XUE Zhichao1, WANG Ying1, LI Kaishang1 (1. School of Mechanical Engineering... University of Technology, Changzhou 213001, China) Abstract: The effect of strain strengthening on the fatigue and cyclic plastic deformation of 022Cr17Ni12Mo2 stainless steel was studied. The results show......
J. Cent. South Univ. (2021) 28: 297-310 DOI: https://doi.org/10.1007/s11771-021-4603-3 Geotechnical stability analysis considering strain softening using micro-polar continuum finite element method.... Due to the coupling effects of lc and strain softening, softening behavior of geomaterial tends to be postponed. Additionally, the bearing capacity of a geotechnical system may be significantly......
J. Cent. South Univ. Technol. (2011) 18: 1619-1625 DOI: 10.1007/s11771-011-0881-5 Strain field investigation of limestone specimen under uniaxial compression loads using particle image velocimetry..., global filter and local filter. The cubic interpolation was utilized if the displacements without a number were encountered. The full-field strain was then obtained using the local least square method......
J. Cent. South Univ. (2020) 27: 1666-1677 DOI: https://doi.org/10.1007/s11771-020-4398-7 Influence of radial forging process on strain inhomogeneity of hollow gear shaft using finite element method... orthogonal design method. To examine the strain inhomogeneity of the forging workpiece, the strain inhomogeneity factor was introduced. The results reveal that the maximum effective strain......