超塑性合金

简要叙述了金属材料发展方向及应用，主要介绍了微合金钢、超高强度钢、不锈钢、空冷贝氏体钢、非晶态合金、粉末冶金材料及超塑性合金的开发及应用。

The development trent and application of metallic materials are described briefly . The development and application of microalloy steel , ultrahigh-strength steel , stainless steel , air cooled bainite steel , amorphous alloy , powder metallurgical materials and superplasticity alloy are introduced emphatically .

ZnAl（22）型超塑性合金及其应用的研究

ZnAl_ ( 22 ) Superplastic Alloy And It 's Application

对Zn－22%Al超塑性合金进行了等温超塑压缩试验。

Isothermal Superplastic compression test has been made for superplasticity Zn 22 % Al alloy .

Zn-Al超塑性合金异常组织的分析及消除

Analysis and Elimination of the Abnormal Structure in Zn-AI Super-plasticity Alloy

超塑性合金与钢压焊特点的研究

The Study on the Pressure Welding of Steel with Superplastic Alloys

介绍了超塑性合金材料的特性；

The specific properties of superplastic alloy material are introduced ;

锌铝超塑性合金超塑压缩试验研究

Experimantal Investigation of the Super Plasticity Compression in Superplasticity Zn Al Alloy

超塑性合金的差温拉深与立体胀形

Deep Drawing and Three-dimensional Expand Shape of Super-plastic Alloy

Zn&Al（22）超塑性合金的成形研究

Study on the Forming Process of Superplastic Zn-Al _ ( 22 ) Alloy

超塑性合金的成型技术及其应用

The forming technique of superplastic alloys and its application

超塑性合金筒形件反复胀形模具参数的研究

A study of upper & down blowing bulging dies dimensions of cylindrical parts by superplasticity alloys

应用高强度超塑性锌铝合金铸坯直接压制复杂制件的研究

Study in Applying Cast Blank of High Strength Superplastic Zn-Al_ ( 22 ) Eutectic Alloy to Extrude and Forge Complex Parts Directly

400℃时由于再结晶的发生，新再结晶的细晶能非常容易地进行晶界滑移变形，合金产生粗晶超塑性现象，合金的断裂机制为沿晶剪切断裂。

At 400 ℃, recrystallization happened and grain-boundary sliding in new fine recrystallized grains could deform easily , which was called coarse-grain superplasticity phenomenon , and intergranular shear fracture took place .

超塑性Zn－Al合金化学镀镍工艺

Electroless Ni Plating of Superplastic Zn-Al Alloy

超塑性是提高镁合金塑性的一种重要方法。

Superplasticity is an important method to improve plasticity of magnesium alloy .

经超塑性预处理后合金在保持较高塑性的同时也有较高的强度，比传统处理工艺在强度上提高3.5%，塑性提高25.7%。

SPPT makes the ultimate tensile strength and the plasticity of the alloy increased by3.5 % and25.7 % respectively .

透射电镜分析结果表明，超塑性变形时，合金中存在大量位错运动，在晶界附近和晶粒内形成了位错网，并在晶界上出现位错塞积。

The observation showed a lot of dislocation pile up and nets at grain boundary , as well as in grains .

本文就镁合金的超塑性进行了全面的阐述，同时也对将来轻质超塑性镁合金的制备方法进行了介绍。

In this paper , the super plasticity of magnesium alloy has been fully represented , and the preparation methods of magnesium alloy with super plasticity in the future have been also introduced .