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Nanoscale precipitates and comprehensive strengthening mechanism in AISI H13 steelWen-wen Mao1,2,An-gang Ning3,Han-jie Guo1,21. School of Metallurgical and Ecological Engineering, University...:The effects of heat treatment on the precipitates and strengthening mechanism in AISI H13 steel were investigated. The results showed that the presence......
Non-local damage and fracture model of rock and concrete-like materials BI Zhong-wei(毕忠伟)1, 2, ZHANG Ming(张 明)1, JIN Feng(金 峰)1 1. State Key Laboratory of Hydroscience and Hydraulic... of the non-local phenomena appearing in the rock and concrete-like materials, the non-local damage and fracture model of rock and concrete-like materials was established through non-local method of Gaussian......
Coherent interface strengthening of ultrahigh pressure heat-treated Mg-Li-Y alloysShun Zhang1,2,Yong Sun1,Ruizhi Wu2,Xiang Wang2,Xiao-Bo Chen3,Carlos Fernandez4,Qiuming Peng11. State Key Laboratory... a crucial issue for the widespread applications of Mg-based structural materials.Herein,an unexpected double-stage strengthening phenomenon was discovered in Mg-8Li-1Y(wt.%) alloys through high pressure......
J. Cent. South Univ. Technol. (2008) 15(s1): 013-016 DOI: 10.1007/s11771-008-304-4 Viscoelastoplastic constitutive model for creep deformation behavior of asphalt sand YE Yong(叶 永)1, 2, YANG Xin... Engineering, Three Gorges University, Yichang 443002, China) Abstract: A uniaxial viscoelastoplastic model that can describe whole creep behaviors of asphalt sand at different temperatures was presented......
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An improved Mesri creep model for unsaturated weak intercalated soilsZHU Yan-bo(祝艳波)1, 2, YU Hong-ming(余宏明)1(1. Faculty of Engineering, China University of Geosciences, Wuhan 430074, China;2. College... to predict the unsaturated creep behaviors of weak intercalated soils, an unsaturated creep model was established based on the unsaturated creep tests of weak intercalated soils by using GDS triaxial......
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of 313 MPa, and δ=20.3%) owing to strong grain boundary strengthening and improvement of Schmid factor for {0001} basal slip. The aggregation of microvoids around the MgZnCu phase mainly accounts... evolution; strengthening mechanism 1 Introduction Magnesium (Mg) alloys are desirable candidates as the lightest structural materials in aerospace and automotive industries owing to their low density and high......
J. Cent. South Univ. Technol. (2011) 18: 866-873 DOI: 10.1007/s11771-011-0775-6 Elastoplastic model for discontinuous shear deformation of deep rock mass WANG Ming-yang(王明洋)1, FAN Peng-xian(范鹏贤)1... functions: the averaged distribution of the original deformation field, and the local discontinuities along the slip lines. Hence, an elasto-plastic model is established for the shear deformation......