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In addition, the testing materials should be close to isotropic.
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C.Wang, Evaluation of Facture Criteria Considering Complex Loading Paths in Cobalt Alloy Tube Hydroforming, Materials Transactions 53.5 (2012), 807-811

Libura, Extrusion of sections with varying thickness through pocket dies, Journal of Materials Processing Technology, Vol.194 (2007), pp. 38–45
Blokhuis, FEM simulations of the extrusion of complex thin-walled aluminium sections, Journal of Materials Processing Technology, Vol.122 (2002), pp. 344–354
Kou, Effect of extrusion stem speed on extrusion process for a hollow aluminum profile, Materials Science and Engineering B, Vol. 177 (2012), pp. 1691–1697
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Wierzbicki, Prediction of shear-induced fracture in sheet metal forming, Journal of Materials Processing Technology, Vol. 210 (2010), pp. 1858–1869

In the second stage, the slope of the curve gradually decreases, indicating that the material has been softened.
Acknowledgments This work was financially supported by the Beijing Lab Project for Modern Transportation Metallic Materials and Processing Technology NSFC (Grant No. 91860113) and the National Natural Science Fund for Innovative Research Groups (Grant No. 51621003).
Journal of Alloys and Compounds, 685 (2016) 869-880
Ma, The flow behavior and constitutive equations in isothermal compression of 7050 aluminum alloy, Materials Science & Engineering A. 542 (2012) 79-87
[12] Rokni M R, Zarei-Hanzaki A, Roostaei A A et al., An investigation into the hot deformation characteristics of 7075 aluminum alloy, Materials & Design. 32 (2011) 2339-2344

As a consequence of this, the optimum topological distributions of high heat conductivity materials can be obtained.
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Recently, Researchers are looking forward to new raw materials, especially non-edible materials for biodiesel production [4-6].
Experimental Materials and reagents ZSO was provided by a local company located in Hancheng, Shaanxi Province, China.
International Journal of Green Energy, 2010, 7: 593–599
International Journal of Green Energy, 2011, 8: 518–528
Energy Education Science and Technology Part A, 2011, 27:79–86

By changing the materials of the upper porous media and the combination patterns of opening fractures and filling fractures, water infiltration and bromide ion migration were investigated.
Firstly, the lower fracture structure was kept unchanged, while the materials of the upper soil layers varied with sand-soil mixtures, sand, and sand-rock fragment mixtures, respectively.
Acknowledgements This work was supported by the National Basic Research Program of China (973 Program) (No. 2010CB428804 and No. 2010CB428801) and National Natural Science Foundation (no. 40672172 and No. 40972166).
Journal of hehai science and technology progress （1）：50-55.
Journal of Geophysical Research: Solid Earth,90(b4):3097-3094 [6] Wang,M.Y.

Direct Current Field Effect on Silicon Pack Cementation for 1045 Steel Hu Jinga*, Wang Shu-Kaib, Zhou Zheng-Huac, Xie Feid, Pan Xian-Boe School of Materials Science and Engineering, Changzhou University, Changzhou, 213164, P R China ajinghoo@126.com, bwangshukai107@126.com, czhouzhenghua21@163.com, dxief@cczu.edu.cn, epanxianbo@163.com Keywords: Silicon; Pack Cementation; Direct Current Field; Anti-Oxidation; 1045 Steel Abstract: A low-temperature silicon pack cementation has been developed by applying direct current field (DCF) between the treated sample and the powder agents.
Experimental The material for the investigation was 1045 carbon steel.
Acknowledgment This work is supported by the National Natural Science Foundation of China under the grant No. 50901031 and Academy Science Foundation of Jiangsu province China under Grant No. 06KJB430021.
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Acta Metallurgica Sinica, Vol. 44 (2008), p.810 [9] Z H Zhou, F Xie, H B Hu, J Hu, Journal of material heat treatment, Vol.29（2008）, p.154

The Microstructure Evolution and Control of Alloy 690 During Cold Rolling Yao Zhihao*, Dong Jianxin, He Zhiyong, Zhang Maicang (School of Materials Science and Engineering, University of Science and Technology Beijing, Beiing 100083, China) Z.H.YAO, Ph.D, Lecturer, Department of Material Science, University of Science and Technology Beijing, Beijing, 100083, P.R.China.
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Therefore, in order to accurately characterize the properties of rubber materials, the uniaxial tensile test alone cannot fully describe all the mechanical behaviors of the materials, but all basic tests, including biaxial tension and shear, must be carried out on rubber materials [2].
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Bu, Comparison of two hyperelastic models for carbon black filled rubber, Applied Mechanics and Materials, Trans.

Arching Effect of Anti-slide Piles in Non-cohesion Soil Zhitao Ma1, a, Yongping Wang2, b and Saijiang Liang3, c 1 Shandong University of Science and Technology, Resources and Environment engineering institute, Qingdao, 266590, China 2 Shandong University of Science and Technology, School of Civil engineering, Qingdao, 266590, China 3 Shandong University of Science and Technology, Resources and Environment engineering institute, Qingdao, 266590, China asdustmzt@163.com, bwyp7841@163.com, csdkdlsj@163.com Keywords: soil arching effect, anti-slide piles, non-cohesion soil, element analysis Abstract.
The arch in soil arching [J].Journal of Geotechnical Engineering ASCE, 1985, (3):302-318
Journal of Civil, Architectural & Environmental Engineering, 2011, 33(2):28-31.
Chinese Journal of Geotechnical Engineering, 2011, 33(3):386-391.
Discussion on some issues in theory of soil arch[J].Journal of Southwest Jiaotong University, 2003, 38(4):398－402.