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Article ID: 1003-6326(2005)05-1009-05 Solution for slab forging with bulge between two parallel platens by strain rate vector inner-product integration and series expansion ZHAO De-wen(赵德文... was developed. First, effective strain rate for slab forging with bulge was expressed in terms of two-dimensional strain rate vector, and its inner-product was integrated term by term. Second, a summation......
Effect of Strain Rate on Compression Behavior of Vinyl Ester Resin Casting MAO Ming-zhong1,XU Xian-jian1,XIONG Jie1,XIONG Tao1,ZHOU Kai1,YANG Bin1 (1.Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China) 摘要:Quasi-static and high strain rate compressive experiments on vinyl ester casting were......
High strain rate superplasticity of AZ31 alloy ZHOU Hai-tao(周海涛), JIANG Yong-feng(蒋永锋), ZHONG Jian-wei(钟建伟), ZHAO Zhong-kai(赵仲恺), LI Qing-bo(李庆波) 1. School of Materials Science and Engineering... at the strain rate of 5×10-2 s-1. The best superplastic conditions are at 723 K and at the strain rate of 5×10-2 s-1. During superplastic deformation, it is found that the mean grain size decreases from......
Article ID: 1003-6326(2005)05-1125-05 Effect of deformation temperature and strain rate on semi-solid deformation behavior of spray-formed Al-70%Si alloys ZHANG Di(张 迪)1, YANG Bin(杨 滨)1... of the deformation temperature, strain rate and the microstructure were studied. Two strain rates(1s-1and 0.1s-1) and six deformation temperatures (600℃, 720℃ , 780℃, 900℃, 1000℃ and 1100℃) were chosen......
STRAIN RATE SENSITIVITY OF ULTRAFINE-GRAINED Cu WITH NANOSIZED TWINS L. Lu1,L.X. Liu1,X.H.Chen1 (1.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China) Abstract:An ultrafine-grained Cu sample with a high density of growth twins was synthesized by means of pulsed electrodeposition technique. The strain rate......
J. Cent. South Univ. Technol. (2009) 16: 0658-0662 DOI: 10.1007/s11771-009-0109-0 Strain rate effects on sand and its quantitative analysis LI Fu-lin(李福林)1, 2, PENG Fang-le(彭芳乐)1, 2, LI Jian...; Abstract: Strain rate effects on the stress-strain behavior of sand were investigated by performing special plane strain and triaxial compression tests......
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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... and Engineering, Nanjing University of Technology, Nanjing 210009, China) Abstract: To understand the high strain rate deformation mechanism and determine the grain size, strain rate and porosity dependent......
J. Cent. South Univ. Technol. (2008) 15(s1): 043-046 DOI: 10.1007/s11771-008-311-5 Constitutive model depending upon temperature and strain rate of carbon constructional quality steels YANG Liu... the same temperature and different strain rates, and the same strain rate and different temperatures were done on 20 steel, 35 steel and 45 steel. 52 groups of rheological stress-strain curves were......
J. Cent. South Univ. Technol. (2009) 16: 0677-0682 DOI: 10.1007/s11771-009-0112-5 Energy consumption in rock fragmentation at intermediate strain rate HONG Liang(洪 亮)1, 2, ZHOU Zi-long(周子龙)1...; Abstract: In order to determine the relationship among energy consumption of rock and its fragmentation, dynamic strength and strain rate, granite, sandstone and limestone specimens......
