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SIMULATION OF TEXTURE EVOLUTION IN EQUAL CHANNEL ANGULAR EXTRUSION OF COPPER USING A NEW FLOW FIELD

机译:用新的流场模拟铜等角角挤压中的组织演化

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摘要

The deformation textures of OFHC copper that develop in Equal Channel Angular Extrusion (ECAE) from one to 12 passes are examined in route A. They are also simulated with the help of the viscoplastic Taylor and Self Consistent models, first using the classical discontinuous shear approach, then a new analytical flow line model. The latter one is calibrated with finite element calculations of the ECAE test. It is shown that the new model describes the evolution of the texture better than the discontinuous shear approach.
机译:在路径A中检查了在等通道角向挤压(ECAE)中从1到12次通过产生的OFHC铜的变形织构。它们还通过粘塑性泰勒和自洽模型进行模拟,首先使用经典的不连续剪切方法,然后是一个新的分析流线模型。后者通过ECAE测试的有限元计算进行了校准。结果表明,新模型比不连续剪切方法更好地描述了纹理的演变。

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