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《Transactions of Beijing Institute of Technology》 2007-09
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Experimental Study and Numerical Simulation on the Mechanical Behavior of Tungsten Alloys

SONG Wei-dong1,LIU Hai-yan2,NING Jian-guo1(1.State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology,Beijing 100081,China;2.School of Science,Beijing Institute of Technology,Beijing 100081,China)  
The tensile tests have been conducted to investigate the mechanical behavior of tungsten alloys with three kinds of grain sizes 1~3 μm,10~15 μm and 30~40 μm.The stress-strain curves and the quasi-static parameters under different loading velocities were obtained.Based on the experimental results,the finite element program ANSYS was adopted to build the numerical model of the tungsten alloys with the microstructure characteristics.Dozens of cases were performed to analyze the effect of W content,grain shape,and grain size on the mechanical behavior of the tungsten alloys under quasi-static tension load.The stress-strain curves were given and the relation between the mechanical characteristics of the tungsten alloys and the micro-parameters of the tungsten alloys was explored.
【Fund】: 国家自然科学基金资助项目(10602008)
【CateGory Index】: TG115.5
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【References】
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