superplastic deformation

Exploration Enhancing Strain Stress of Superplastic Deformation Using Pendant Hammer Type Tensile Tester

采用吊垂式拉伸试验机探讨超塑性变形速度的提高方式

Meanwhile, the modulus of elasticity, yield strength, ultimate tension strength and reduction in area at rupture after superplastic deformation have also been measured.

同时，研究了未经预处理LY12CZ铝合金在强电场中超塑性变形后材料的弹性模型、屈服强度、强度极限和断裂时的断面缩减率的变化。

The mechanical behavior of commercial brass H 62 bar under superplastic deformation was investigated by compression testing.

通过压缩试验,研究了供应态H62黄铜棒材所表现出的超塑性变形的力学特性.

The micromechanism for superplastic bonding of steels was suggested as the disappearance of original bond interfaces caused by atomic diffusion and grain sliding superplastic deformation.

通过接头显微组织分析，提出了钢超塑性固相压接机制为超塑变形的晶粒滑动和原子扩散造成的原始界面消失。

Under the above deformation routes, the strain-rate sensitivity indexes m ε, mv and mF of typical superplastic alloy Z n-5% A1 for room temperature ( 18 ℃) and superplastic state ( 340 ℃) are obtained by the experiments.

给出了典型超塑Zn-5%A1合金在常态（18℃）和超塑状态（340℃）时三种变形路径下应变速率敏感性指数mε、mv和mF的实测结果。

The α/ β two-phase brass was investigated for its properties in the temperature range of superplastic deformation. Experimental results show that the boundary diffusion dominates the deformation process, and the boundary sliding is the main deformation mechanism.

对α/β两相黄铜在超塑变形温度区间的特性进行了研究，结果表明：在超塑变形Ⅱ区，界面扩散控制着变形过程，界面滑动为主要变形机制；

Effect of Strain Rate on Coarse Grain Superplastic Deformation and Room Temperature Fracture Behavior

应变速率对粗晶超塑性变形及室温断裂性能的影响

Analysis of superplastic deformation of backward extrusion by the rigid plastic finite element method

用刚塑性有限元法分析超塑性反挤压成形

Effect of prestrain on the superplastic deformation behavior of low-alloy high-carbon steel

预变形对低合金高碳钢超塑性变形行为的影响

The fracture surface indicates that the mechanism of the superplastic deformation in AZ91 alloy is controlled by the grain boundary sliding accompanied with cavities interlinking.

大晶粒AZ91合金的超塑性变形机制是晶界滑移控制下的孔洞连接协调机制。

Superplastic Deformation Behavior of Fine Grained High Strength Aluminium Alloy 7475

细晶高强铝合金7475超塑变形行为

It is proposed that the superplastic deformation in the present TiAl based alloy is controlled by grain boundary sliding accommodated by dislocation motion and dynamic recrystallization.

分析认为，位错运动是TiAl基合金超塑性变形过程的主要协调机理。

The superplastic deformation has low stress, enough deformation which is suitable for materials process.

而超塑性变形比塑性变形应力更低，变形量更大，更加有利于材料的加工。

The deep and large cavities are formed on fracture surface and grain boundary sliding and intergranular fracture characteristic is obvious on the optimal superplastic deformation condition.

在最佳超塑性条件下，断口中形成了大而深的空洞，晶界滑动和晶间断裂特征明显。

The dislocation sliding in grain and diffusion creep, as two kinds of important coordination mechanism, promote the development of grain-boundary sliding. The superplastic deformation mechanism accords with the model of dislocation coordinating grain-boundary sliding.

晶内位错滑移和扩散蠕变作为重要的协调机制，促进了晶界滑动的顺利进行.该合金的超塑性变形机制符合位错协调晶界滑动模型。

Three-dimensional Map of Mechanical Bebaviour during Superplastic Deformation with Pb-Sn Eutectic Alloy

Pb-Sn共晶合金超塑性变形三维力学行为图