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| 1 | Refining constitutive relation by integration of finite element simulations and Gleeble experiments显示文摘Thermo-mechanical coupled finite element calculations were carried out to simulate the Gleeble compression of the samples of a titanium alloy(Ti60), and the results are analyzed and compared with the actual compression tests conducted on a Gleeble 3800 thermo-mechanical simulator. The changes in temperature, stress and strain distribution in the samples and the source of error on the constitutive relations from Gleeble hot compression test were analyzed in detail. Both simulations and experiments showed that the temperature distribution in the specimen is not uniform during hot compression, resulting in significant deformation inhomogeneity and non-ignorable error in the flow stress strain relation,invalidating the uniform strain assumption commonly assumed when extracting the constitutive relation from Gleeble tests. Based on the finite element simulations with iterative corrections, we propose a scheme to refine the constitutive relations from Gleeble tests. | D.J. Yu D.S. Xu H. W ang Z.B. Zhao G.Z. Wei R. Yang | 2019 | Journal of Materials Science & Technology2019，35，6： | 6 |
| 2 | Preparation and photoluminescence of SiC/Si/SiO 2 multi-layer structure显示文摘 | L. Wang Z.J. Liang Z.B. Wang F.L. Zhao Z.H. He Dihu Chen | 2006 | Journal of Luminescence2006，，： | 1 |
| 3 | Determination of the orientation relationship between austenite and incommensurate 7M modulated martensite in Ni–Mn–Ga alloys显示文摘 | Z.B. Li Y.D. Zhang C. Esling X. Zhao L. Zuo | 2011 | Acta Materialia2011，，7： | 1 |
| 4 | 查看详情显示文摘 | Wang F Lu C.C Qin Y.F Liang C.C. Zhao M.S. Yang S.C. Sun Z.B. Song X P | | 0，，： | 1 |
| 5 | EXPERIMENTAL INVESTIGATION ON HISTORY-DEPENDENCEOF PLASTIC BEHAVIOR OF TYPE 302 STAINLESS STEELUNDER COMBINED AXIAL-TORSIONAL LOADS显示文摘Experimental investigations were pedermed on the plastic deformation along bilinear strain paths with various values of corner-angle by subjecting thin-walled tubular specimens of type 302 stainless steel to combined axial and torsional loads. Variations of scalar and vectorial behavior of the stress response are discnssed in the vector space of plastic strain. It is found that the intrinsic geometry of loading path, the plastic strain history and the coapled effect among strain components effect effectively the stress response of the material. The experimental results also show that these effects will disappear gradually with increasing strain. | S.X. Zhao X.F. Sun and Z.B. Kuang (Institute of Applied Mechanics, Southwestern Jiaotong University, Chengdu 610031, China)(Institute of Engineering Mechanics, Xi’an Jiaotong University, Xi’an 710049, China) | 1997 | Acta Metallurgica Sinica(English Letters)1997，10，1： | 0 |
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