| 热挤压变形力的粘塑性模式解 |
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| 引用本文： | 谢建新,曹乃光. 热挤压变形力的粘塑性模式解[J]. 中南大学学报(自然科学版), 1988, 0(1) |
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| 作者姓名： | 谢建新 曹乃光 |
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| 作者单位： | 中南矿冶学院材料科学与工程系，中南矿冶学院材料科学与工程系 |
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| 摘 要： | 本文采用粘塑性流动模型描述了材料的热挤压变形行为,从球坐标粘性流体运动微分方程组的最一般形式出发,确定了轴对称挤压变形区内的静水压力和各应力分量的一般方程,然后导出了圆棒热挤压力的计算公式。
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| 关 键 词： | 挤压 流体静压力 热应力 应力分析 变形区 粘塑性流动 圆柱体 公式(数学) |
SOLUTION OF DEFORMATION FORCE IN HOT EXTRUSION WITH VISCOPLASTICITY MODEL |
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| Xie Jianxin,Cao Naiguang. SOLUTION OF DEFORMATION FORCE IN HOT EXTRUSION WITH VISCOPLASTICITY MODEL[J]. Journal of Central South University:Science and Technology, 1988, 0(1) |
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| Authors: | Xie Jianxin Cao Naiguang |
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| Affiliation: | Department of Materials Science and Engineering |
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| Abstract: | With viscoplasticity model, materials' deformation behavior in hot extrusion was discribed. Based on the solution to the most common differential equations of the movement of viscous fluid, common equations of static pressure and stresses in deformation region were determined. Then a formula for calculating hot extrusion force of rods was deduced. |
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| Keywords: | extrusion hydrostatic pressure thermal stress stress analysis deforming zone viscoplastic flow cylinders formula(mathematics) |
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