strain hardening

Addition Sc in Al Mg alloy can improve the tensile properties of the alloy after strain hardening and stabilization treatment

Al-Mg合金添加Sc能使该合金在应变硬化和稳定化处理后具有良好的机械性能

It shows obvious regularity that saw-toothed chips form as alternating effect of thermal softening and strain hardening, or periodic alternating cracks formation.

由于热软化、应变硬化的交替作用或周期性裂纹的产生，使得锯齿形切屑形成呈现很明显的规律性。

While the confining stress is large, strain hardening, volume contraction and lateral intrusion become prevalent.

高侧向应力状态时应变硬化，体缩和侧向收缩。

However, the ultimate tensile strength and yield strength are enhanced with reducing impurity concentration, while the strain hardening shows an inverse variation tendency.

然而随着杂质含量的降低，抗拉强度与屈服强度均得到了提高，并且加工硬化能力有所下降。

An investigation was made on the dynamic tensile deformation and strain hardening characteristic of a SiCp/ 6061AI composite and its matrix alloy using tensile split Hopkinson pressure bar apparatus.

利用拉伸split Hopkinson bar实验装置研究了出SiCp/6061Al复合材料及其基体合金的动态拉伸性能及应变硬化行为。

Measurement and application of tensile strain hardening exponent n-values

应变硬化指数n值的测定和应用

Numerical analysis indicates that strain hardening and strain rate hardening are to resist the growth of voids, whereas the ambient temperature is to promote the growth of voids in OFHC. It is also shown that the thermal softening has negligible influence on the growth of voids.

模型的数值分析表明，对OFHC铜来说，应变硬化效应、应变率效应阻碍了孔洞的增长，热效应对孔洞增长影响不大，而环境温度的升高促进了孔洞的增长。

Deformation force, neck down behavior and strain hardening are highlighted.

文中也较深入的说明了拉伸力，颈缩行为，应变硬化对控制拉伸效果十分重要。

Because they interfere with the movement of dislocations, grain boundaries also influence strain hardening.

因为它们可以阻止晶粒随意的运动,同时晶界还可以影响加工硬化.

They can only be strengthened by cold working ( also called strain hardening ).

它们仅可由冷加工增加强度 ( 也叫做冷加工硬化 ).

This paper discusses an extension of the D-M model which is used for strain hardening materials.

本文将D-M模型延伸用于应变硬化材料。

Metallic sheets& Tensile strain hardening exponents ( n-values) test method

GB/T5028-1985金属薄板拉伸应变硬化指数（斜值）试验方法

And it is found that the model can duplicate the transference of deformation mode from the strain softening under the low confining pressures to the strain hardening under the high confining pressures; and the brittleness index gradually reduces when the confining pressure is increased.

模拟结果表明：这一模型可以模拟低围压下的应变软化到高围压下的应变硬化现象，并且脆性指数随着围压的增大而逐渐减小。

Based on the test results of sand, mechanics of internal parameters ( plastic volumetric strain and plastic deviator strain) depending on stress path is explained. General equation expressing hardening parameter independent of stress path is proposed.

在分析砂土试验结果的基础上，揭示了基本硬化内参量（塑性体积应变、塑性剪应变）变化的应力路径相关性，提出了应力路径无关硬化参量的一般表达式。

Analytical measurement and mechanical study on the tensile strain hardening exponent

拉伸应变硬化指数的解析测定及力学分析

The experimental results proved that ( 1) there is an additional cyclic strain hardening effect caused by non-proportional loading, and ( 2) the relative orientation between maximum shear plane and free surface plays significant role on fatigue life.

非比例加载引起的附加循环硬化；（2）最大剪切平面与自由表面相对取向对疲劳寿命的影响；

The hardening function was formed by incorporating an equivalent plastic deviator strain and a volume strain.

联合等效塑性偏应变和体应变构造硬化函数.