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Inelastic constitutive equation of plasma-sprayed ceramic thermal barrier coatingsMasayuki ARAIMaterials Science Research Laboratory, Central Research Institute of Electric Power Industry摘 要:constitutive equation for the ceramic thermal barrier coatings deposited by APS is developed. The obtained results are as follows: (1......
evolutions. Based on the hyperbolic Arrhenius-type equation, the true stress-true strain data from the tests were employed to establish the constitutive equation considering the effect of the true strain... deformation behavior; flow stress; constitutive equation......
Constitutive equation and hot processing maps of Al-5Ti-1B master alloyFu-Wei Kang1,Jie Zhou1,Zhi-Wei Wang1,Xue-Min Zhang2,Yi-Cheng Feng1,Er-Jun Guo11. School of Materials Science and Engineering... the constitutive equation is established as ε= 1.97×1019[sinh(0.015σ)]11.14exp(-250.9/RT),and the validity of this constitutive equation is verified.Based on dynamic material model(DMM) criterion,the hot......
Development of Constitutive Equation and Processing Maps for IN706 AlloyShuo Huang1,2,Lei Wang1,Xintong Lian1,Beijiang Zhang2,Guangpu Zhao21. Key lab for Anisotropy and Texture of Materials... investigated by means of hot compression tests in the temperature range of 900–1150 °C and strain rate range of 0.001–1 s-1.The constitutive equation was developed on the basis of experimental data.Power......
data collected from the tests were employed to establish the constitutive equation, in which the influence of strain was incorporated by considering the effect of strain on material constants Q, n, α... 3 and 3.686%, respectively. Key words: Q420qE; bridge steel; hot compression; flow stress; strain dependent constitutive equation 1 Introduction The understanding of metals and alloys behavior......
of 20CrMnTi and obtain its constitutive equation, the isothermal compression tests of 20CrMnTi were carried out using the Gleeble–3500 thermo-simulation machine, up to a 60% height reduction of the sample at strain rate range from 0.01 s–1 to 10 s–1 and deformation temperature range from 1123 K to 1273 K. According to the experimental results, the constitutive equation of 20CrMnTi was established based......
Constitutive equation and model validation for a 31 vol.% B4Cp/6061Al composite during hot compressionL.Zhou1,2,C.Cui3,Q.Z.Wang1,C.Li4,B.L.Xiao1,Z.Y.Ma11. Institute of Metal Research, Chinese Academy... of Environmental Protection摘 要:An accurate constitutive equation is essential to understanding the flow behavior of B4C/Al composites during the hot......
> Abstract: The void evolution equation and the elastoplastic constitutive model of casting magnesium alloy were investigated. The void evolution equation consists of the void growth and the void... follows a normal distribution. A softening function related to the void evolution was given. After the softening function was embedded to a nonclassical elastoplastic constitutive equation......
parameter combining the two control variables through an Arrhenius equation with apparent activation energy Q. In the constitutive analysis, the effects of deformation temperature and strain rate on flow... In the plastic deformation processes, the deformation load and energy required are decided by the flow stress. While the most important use of a constitutive equation was to calculate the flow stresses......
