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J. Cent. South Univ. (2017) 24: 1986-1991 DOI: https://doi.org/10.1007/s11771-017-3607-5 Deformation characteristics and constitutive model of seafloor massive sulfides HU Jian-hua(胡建华)1, 2, 3, LIU... Press and Springer-Verlag GmbH Germany 2017 Abstract: Deformation characteristics and constitutive model of seafloor massive sulfide (SMS) were selected as the research object. Uniaxial/triaxial......
Eqn.(6), the incremental formulation of the seepage-stress coupling constitutive model, that is, the relationship between the stress increment and the strain increment can be obtained as dσ1=dε1 ...J. Cent. South Univ. Technol. (2009) 16: 0149-0153 DOI: 10.1007/s11771-009-0025-3 Seepage-stress coupling constitutive model of anisotropic soft rock ZHANG Xiang-xia(张向霞)1, 2, YANG Lin-de(杨林德)2......
microvoids could be represented with circular-cylindrical or spherical void-cell models. With the models the constitutive relationship of materials was obtained. TVERGAARD and NEEDLEMAN[10] extended... Application and verification The corresponding numerical algorithm and FE procedure were developed based on the presented constitutive equation. They were applied to the analyses of the relationship......
:铸态TB6钛合金;热变形;本构关系 中图分类号:TG146.2;TG139 文献标志码:A Hot deformation behavior and constitutive relationship of as-cast TB6 alloy LEI Li-ming, HUANG Xu, HUANG Li-jun, CAO... dominantly during hot deformation. Considering the effect of strain, an improved hyperbolic sine constitutive relationship is established based on the Arrhenius equation that can accurately describe......
temperatures lower than the hot- working temperature of Q345 steel with impact load [1, 2]. However, the study on dynamic softening behavior and the constitutive relationship for flow stress of Q345 steel under... conditions. Some optical microstructures of Q345E are displayed to prove the validity of this relationship. Furthermore, Arrihenius type equation is utilized to establish the constitutive equation for flow......
performed on 20 steel, 35 steel and 45 steel, respectively. 36 groups of strain-stress curves were obtained. The constitutive relationship of carbon constructional quality steel under higher temperatures... proves the model can describe the constitutive relationship of carbon constructional quality steel better. References [1] CLAUSEN A H, BORVIK T, HOPPERSTAD O S, BENALLED A. Flow and fracture......
, from which it was possible to describe the actual constitutive relationship of soils more accurately. Current researches indicate that the stress path of rockfill during dam construction can... 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......
; Damage constitutive model... distribution function, through discussing the characteristics of random distributions for strength of micro-cells, then a statistical damage constitutive model that can simulate the full process of rock strain......
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...-plastic constitutive model incorporating the craze damage behavior was developed for the polypropylene (PP), by using the plastic failure model applied for the concrete, to capture the craze yielding......
) The constitutive equations are derived as . 3) The critical and peak strain can be expressed as εc=0.002Z0.099, εp=0.010Z0.100, the relationship between grain size and Z parameter is Ddrex=2.67×103Z-0.146. 4...J. Cent. South Univ. (2016) 23: 3065-3071 DOI: 10.1007/s11771-016-3370-z Constitutive modeling of dynamic recrystallization behavior and processing map of Cr5 steel LIU Xin-bin(刘新彬), WU Guang-liang......