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385 Combined analysis of Bi2223 superconducting bulk materials E.
However, a quantitative texture analysis of these materials is usually not a simple task.
The increasing number of papers, based on such kind of methodology, illustrates the interest of many researchers in materials science to the combined analysis [5-10].
Wenk, Proceedings of the 20th International Conference on Textures of Materials, Vol. 2, edited by J.
Ouladdiaf, Journal of Applied Crystallography 38, 2005, 199-210 [13] E.

., Shanghai 201900, China azhangsuoquan@baosteel.com, bshjiao@baosteel.com, cjhding@baosteel.com, dzhangqingfeng@baosteel.com, ejianghs@baosteel.com Keywords: shear crack, simulation, mechanical properties, uniform elongation Abstract: Abaqus software is used to simulate the deformation behavior of typical steel materials during the shearing process, and to analyze the displacement change of the materials during the shearing process, and to study the main causes of the steel plate shear cracks.
Based on the above calculation results, the smaller the uniform elongation of the material, the greater the possibility of cracking in the shear.
Effect of direct quenching on microstructure and mechanical properties of medium-carbon Nb-bearing steel, Journal of Zhejiang University-SCIENCE A. 11(2010) 776-781
Physical Simulation of Hot Deformation and Microstructural Evolution for 42CrMo4 Steel Prior to Direct Quenching, Journal of Iron and Steel Research, International. 16 (2009) 47-51
Microstructure and Mechanical Properties of 780MPa High Strength Steels Produced by Direct Quenching and Tempering Process, Journal of Material Science. 37( 2002) 1973

The variation of Poisson’s ratios has very insignificant effect on the stress intensity factor of non-homogeneous materials [[6] F.Delale, F.Erdogan, Interface Crack in a nonhomogeneous elastic Medium, International Journal of Engineering Science. 26 (1988) 559-602. ].
The boundary condition of the crack surface is (3) Crack-Tip Higher Order Asymptotic Field The crack tip stress field would be equipped with the same square root singularity as that of homogeneous materials when the material parameters of different composite materials at the interfaces are continuous[6,[7] Z.
Noda, Crack-tip Singular fields in Nonhomogeneous Materials, Journal of Applied Mechanics. 61 (1994) 738-740. ].
The fields are similar to the famous Williams’ solutions for homogeneous materials.
Acknowledgements The research is supported by the National Natural Science Foundation of China (No.11172332, No.90305023) References

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Study on technology of flexible forming of sheet metal based on laser shock waves[J].Materials Science Forum,2004,471~472:453~456
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Materials and Methods.
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The density of composite materials is high.
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Materials and methods The column experiment was carried out using polyvinyl chloride resin (PVC) filter columns of 50 cm height and 16 cm internal diameter.
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Fig.5 The material removal rate varying with the belt velocity for the various indentation depth (zirconia corundum grits, U71Mn material).
Acknowledgement This paper is supported by “Project funded by China Postdoctoral Science Foundation” (2014M550602).
Requirements on tools and machines when machining hard materials. 26th Int.
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Materials and Methods Two kinds of biochars were commercial available, obtained from various suppliers and included enhanced biochar (EB), and walnut shell (WS) biochars.
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