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): 43-48. (in Chinese) [16] LU Yun-de, GE Xiu-run, JIANG Yu, et al. Study on conventional triaxial compression test of complete process for marble and its constitutive equation[J]. Chinese Journal...; Damage constitutive model......
by a new strain-dependent constitutive equation [J]. Journal of Physics and Chemistry of Solids, 2015, 87: 183–195. [22] TRIMBLE D, O’DONNELL G E. Constitutive Modelling for elevated temperature flow..., MANDAL S, BHADURI A K. A comparative study on Johnson Cook, modified Zerilli– Armstrong and Arrhenius-type constitutive models to predict elevated temperature flow behaviour in modified 9Cr–1Mo steel [J......
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... University of Forestry and Technology, Changsha 410004, China) Abstract: The basic factors relating to the rheological stress in the constitutive equations were introduced. Carbon constructional......
coupling loading. Meanwhile there are many experiments and theoretic analyses on static constitutive relation of rock at low strain rate (＜10-4/s) and constitutive equation for rock at high strain... and viscoelastic components according to certain regulation, so it is possible to establish differential dynamic constitutive equation of rock material undergoing dynamic load and whose coefficients......
and Powder Metallurgy, School of Materials Science and En)Abstract:In order to study the workability and establish the flow stress constitutive equation for spray-forming FGH95 superalloy, the hot... polynomial function of strain. The predicted flow stress by the developed constitutive equation agrees well with the experimental results, and the average relative error is 3.64%.Key words:spray-forming......
by the experimental results. HOHENEMSER and PRAGER give the visco-plastic material constitutive equation through analogy: ...J. Cent. South Univ. (2017) 24: 1263-1268 DOI: 10.1007/s11771-017-3530-9 An elasto-visco-plastic constitutive model of polypropylene incorporating craze damage behavior and its validation GUI Zhong......
with temperature increasing and strain rate decreasing. Under the experimental conditions, the products of constant α and n in the constitutive equation are stable within certain strains, and the deformation...; thermal deformation; flow stress; constitutive equation 1 Introduction Magnesium alloys are receiving much attention for their excellent properties, such as low density, good thermal and electrical......
spectrum of void ratios ranging from the loosest to the densest packing. In order to achieve this aim, the hypoplastic constitutive equation is assumed to depend on the void ratio, ... in the practical work conditions. (2) The hypoplastic constitutive model is represented by a stress-strain relationship embedded in a single tensorial equation without explicitly defining yield......
J. Cent. South Univ. Technol. (2010) 17: 1376-1382 DOI: 10.1007/s11771-010-0645-7 Deduction and experimental investigation of constitutive relation of liquefaction of saturated sand WANG Xing-hua..., on the basis of Handin-Drnevich model, a new calculating model of the dynamic constitutive relation of saturated sand was put forward. The model was based on the basic hypothesis of instantaneous limit......
the bifurcation theory, in which the shear band is modeled as a plane of discontinuity of the velocity gradient. The theory is based on the constitutive equation for the inelastic, finite deformation... the plastic velocity gradient does not cause a change in the stress. 2.2 Constitutive equation for stress Let D≡sym L, De≡sym Le, Dp≡sym Lp; We≡skw Le, Wp≡skw Lp. skw A or sym A denote the skew-symmetric......
