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It is a material parameter.
Acknowledgements This work is supported by the National Natural Science Foundation of China(50878077).
[2] Krajcinovic D.Fonseka G U.Continuous Damage Theory of Brittle Materials,J.Appl.Mech.1981,48:809-824
[4] Wang Xiangdong, Xu Daoyuan: Damage of Concrete Dams and Its Simulation Calculation, Key Engineering Materials,2005,Vol.302,624-629
[5] Qiu Ling, Xu Daoyuan: Study of Initial Damage and damage development of Concrete by compression test, Journal of Hefei University of Technology, 2001,24(6):1061-1065.

This will provide reference for the preparation of heat resistant aluminium alloy materials.with good comprehensive performance.
The elongation of materials decrease first with the increasing tensile temperature, the minimum appears at 250℃.
This phenomenon can be explained by the law of dynamic strain aging (DSA) [4-5]: DSA think that the interaction between solute air mass and dislocation motion enhances the strength of the material at DSA temperature, and affects the strain hardening rate, leads to local plastic instability, the ductility decreases.
Acknowledgements The author would like to thank her tutor from and support of the natural science foundation of hebei province(E2013209268) and the scientific research foundation of hebei united university(z201217).
The Chinese Journal of Nonferrous Metals, 2004, 14(8): 1348-1352

The combined flocculating channel is free from internal-external pressure differences throughout the entire flocculating process and therefore, strong materials are not required for construction (for example, plastic materials are sufficient), so the manufacturing costs are is expected to be relatively low and the equipment volume utilization ratio is relatively high.
Acknowledgement Support from the National Natural Science Foundation of China (The No. of the subsidized project: 20676063) is appreciated.
Zhou: Journal of Chemical Industry and Engineering (In Chinese) Vol. 60 (5) (2009), p. 1219 [3] C.J.
Shao: Advanced Materials Research Vols. 781-784 (2013), p. 1875 [6] M.

Fabrication of micro patterned substrate by powder injection molding Hyeongjae Lee1,a, Jin Man Jang1,b, Jin-Hyung Lee2,c, Yong-in Kim1,d , Sungchan Park1,e, Se-hyun Ko1,f , Wonsik Lee1,g 1Advanced Fusion process R&D Group, Korea Institute of Industrial Technology, Incheon, 406-840 Korea 2Center for Biomicrosystems, Korea Institute of Science and Technology,Seoul 136-791,Korea apatrick5293@kitech.re.kr, bman4502@kitech.re.kr, cjhlee96@gmail.com, dkimyi@kitech.re.kr, eppchan@kitech.re.kr, fshko@kitech.re.kr, gwonslee@kitech.re.kr, Keywords: micro powder injection molding, PIM, micro fluidic device.
This process is advantageous in mass production and enables selection of various kinds of materials.
Barriere, The manufacturing and replication of microfluidic mould inserts by the hot embossing process, Journal of Materials Processing Technology 213 (2013) 913– 925
Khor, Characterization of powder injection molding feedstock, Materials Characterization 49 (2003) 313– 320

Chen Xiaodong et al. (2003) have built MDB model, of which the impactor was modeled with solid elements and consisted of two parts: plastic materials and aluminum honeycomb materials [1].
Applied Mechanics and Materials Vols. 80-81 (2011) pp 922-926
Journal of Hunan University (Natural Sciences) ,2010, 37(12): 130~136.

The 3Cr-1Mo-1/4V steel is the material of the canister of the heat-wall-hydrogen-reactor, the main part of the heavy chemistry equipment.
This material is of anti-heat and anti-desquamation steel, and is a special difficult-to-machine material.
The material of the workpiece is 3Cr-1Mo-1/4V steel.
Khrunyk: Materials Science, Vol. 36(6) (2000), pp. 916-921
Sun and et al: Journal of Harbin University of Science and Technology, Vol. 10(6) (2005), pp. 88-91

Rubber O-ring seal material is nitrile rubber (NBR).
Basic nonlinear assumptions.Rubber material is nearly incompressible hyper elastic body, with geometric nonlinearity, material nonlinearity and contact nonlinearity.
Rubber seal calculations involve solid mechanics, friction science, polymer material science, computational methods and other theoretical knowledge, so it difficult to do precise study in theory and fully true simulation.
In general, Von Mises stress is greater, the relaxation of the rubber material the more accelerated, leading to stiffness decreased, the material being prone to cracking, resulting in seal failure.
Journal of Beijing University of Aeronautics and Astronautic, Vol. 31, No. 2, 2012, pp. 255 － 260

Preparation of ZrSiO4/C Inclusion Pigments by Nonhydrolytic Sol-gel Methed Combined with the Process of Carbon Black Modification Weihui Jiang1, 2, a, Yong Feng1, b, Jianmin Liu1, c, Qingxia Zhu1, dand Xiayi Xu1, e 1School of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333001,China, 2Jiangxi Key Laboratory of Advanced Ceramic Materials, Jingdezhen 333001, China aweihuijiang@yahoo.com.cn, bfclnan@126.com, cliujianmin66@126.com, dqingxia-zhu@163.com exuxiayi6085@163.com Keywords: Nonhydrolytic sol-gel method, The process of carbon black modification, Zirconium silicate, Carbon black, Inclusion pigment.
Introduction Black ceramic pigment is one of the most important decorating materials in ceramic industry[1,2].
Acknowledgement The work was supported financially by National Natural Science Foundation of China(NO.50962006, NO.51162013), Science and Technology Supporting Plan Project of Jiangxi Province (NO.20111BBE50018), major discipline academic and technical leader training plan project of Jiangxi province (NO.20113BCB22009), Natural Science Foundation of Jiangxi Province(NO.2010GZC0103, NO.20114BAB206024)).
Ribeiro, Synthesis of black ceramic pigments from secondary raw materials, Dyes and Pigments. 77 (2008) 137-144
Byung-Ha, The Influence of Firing Conditions on the Color Properties of Pr-ZrSiO4 Pigments Synthesized Using Rice Husk Ash, Journal of the korean ceramic. 46 (2009) 397-404

The XRD analysis revealed the phases of the materials to be crystalline or amorphous or combination of both.
Yahya, Proceedings of the National Academy of Sciences India Section A - Physical Sciences, 82, (2012), 49-52
Yahya: Functional Materials Letter,8(2015)1-4 [10] S.
Watanabe: The Journal of Physical Chemistry B118, (2014) 5144-5153 [12] M.R.
Yahya: Materials Research Innovations,13 (2009), 252 - 254 [15] A.S.A.

Li2 1Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen City 361005, P.
Li et al [6] have taken account of the effects of eddy currents in ferromagnetic materials, and deduced a frequency-dependent formula for nonlinear reluctance of the transformer core.
When editing attributes of magnetic resistance, if the magnetic resistance involves ferromagnetic materials, the relationship between B and H should be input or imported by clicking the button“import”.
Journal of Xi’an Jiao tong University, 2010, 44(4):71-75
Numerical Methods in the Hydrological Sciences. 2005