Change of characteristic dimensions of crystal grains on both longitudinal and transverse section of low carbon steel specimens, and the relations of grain elongation to the specimen elongation and the deformation work are studied.
研究了低碳钢单向静拉伸到不同应变阶段中，试件纵、横截面上晶粒特征尺寸的变化，以及晶粒延伸率与试件延伸率及形变功的关系对塑性变形各阶段中上述关系的变化规律进行了分析与讨论。
Application of deformation work calculation in the metalic plastic extrusion processes;
变形功计算法在金属塑性挤压工艺中的应用
On the principle of the deformation work,the characteristics of the specimen made of UPR added with SiO2 were analyzed.
研究了SiO2对不饱和聚酯树脂(UPR)浇铸体拉伸性能的影响,用应变计电测法研究了SiO2填料对树脂浇铸体的拉伸变形特性和弹性模量的作用,运用变形功原理,对添加SiO2后材料的特性作了初步判断。
The relationships between deformation work and grain size, cooling speed and trans-formation temperature during steel processing were established theoretically.
从理论上推导出了变形功、冷却速度、无形变时的晶粒尺寸与有形变时的晶粒尺寸之间的关系,计算值与实验值吻合较好。
The thinning drawing force is calculated through deforming work method and slip-line method irrespectively, and the results are compared in this paper.
本文用变形功法和滑移线法分别求解变薄拉深力 ,并将两种方法的计算结果进行了比较。
The work rate of the metal in pits was considered to be the frictional work rate,and when the work rate was great than the work rate to produce shear flow at the interface between the metal and tool,the friction was thought to change into sticky friction from slide friction.
摩擦功率等于此部分金属的变形功率 ,当它的变形功率大于在界面产生剪切流动的功率时 ,摩擦由滑动摩擦转变为粘着摩擦。