angle of wall friction 墙面摩擦角
In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.
并分析了缩径率、缩径凹模半锥角、摩擦系数、缩径管坯初始壁厚对管端翘曲和轴向伸长率的影响规律。
The influences of the Angle of internal friction, the Angle of wall friction to the direction of principal strain rate are analyzed.
分析了内摩擦角、壁面摩擦角对最大主应变率方向的影响。
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