机构地区: 东北大学
出 处: 《东北大学学报(自然科学版)》 1995年第2期145-150,共6页
摘 要: 采用VonKarman基本假设对模面函数为抛物线(又称喇叭模)的轴对称拔制问题设定了运动许可速度场,并经曲面积分与变上限积分得到拔制应力上界解析解. Based on Von Karman basic hypothesis,a kinematically allowed velocity field for axisylnmetric drawing through a parabolic die is established. By curved surface integration and variable upper bound integration an upper bound analytic solution is obtained for drawing stress.
领 域: [金属学及工艺]