It is of great significance to research on the superplastic properties of these alloys for using superplastic isothermal forging to manufacture complex forge pieces.
研究这些合金的超塑性能，对采用超塑性等温锻造方法制造复杂形状锻件具有重要意义。
The results show that BP artificial neural network can be used in predicting mechanical properties and grain size of materials after superplastic forming and its predicting error is less than 7%.
结果表明，BP神经网络用于材料超塑性变形后的力学性能及晶粒尺寸预测是可行的，其预测误差小于7%。
Nanostructured ceramics have exhibited superplastic properties at low temperatures.
纳米结构陶瓷在低温下显示出超塑性。
Dislocation behavior in the superplastic deformation of 8090 Al-Li alloy was investigated.
研究了8090合金超塑性变形中的位错行为。
It also shows the prospects for applying the superplastic forming technique in some fields.
展示了超塑性成形技术在某些领域中的应用前景。
The recrystallization provided a proper microstructure for the superplastic deformation of…
再结晶为该合金的超塑变形提供了组织条件。
The complicated shaped parts are able to be singly formed by a superplastic forming process.
用超塑性成形工艺能一次成形出复杂形状的零件。
The fracture behaviors in superplastic deformation of 2091 Al Li alloy have been investigated.
研究了2091铝锂合金超塑变形的断裂行为。
The fracture behaviors in superplastic deformation of 2091 Al-Li alloy have been investigated.
摘要 研究了2091铝锂合金超塑变形的断裂行为。
This part by superplastic forming process is simpler and saving material over 60% than by machin…
超塑性成形工艺制造该零件比原机加工工艺简单，节省材料超过60%。
The cavitation behavior and the fracture mechanism under superplastic deformation are analyzed too.
并对超塑性变形过程中的孔洞行为与断裂机理进行了研究。
In this article, a novel method of maximum m value superplastic deformation (MaxmSPD) is presented.
介绍了最大m值超塑变形的新方法。
This article studied the deformation mode during superplastic bulging of conical cup from sheet metal.
研究了圆锥杯形件的变形模式，将其成形过程分为三个阶段。
Elongation of the sample during superplastic deformation has a close relation with grain boundary width.
试样在超塑性变形时产生的伸长率与晶界宽度有密切联系。
In this paper, a study of the cavitation of manganese-brass during superplastic deformation is reported.
对超塑变形后锰黄铜的空洞特征进行了系统研究。
There is no need for solid solution and overaging pretreatments in the superplastic deformation process.
可省去固溶与过时效预处理工序。
Meanwhile the characteristics of superplastic ceramics and superplastic metals are analyzed and compared.
同时，分析和对比了陶瓷超塑性与金属超塑性的特点。
The constrained superplastic bulging process is investigated by a large rigid-plastic finite element method.
采用大变形刚塑性有限元法模拟超塑性材料轴对称锥形模约束胀形过程。
The thermomechanical processing and superplastic deformation behavior of 01420 alloy have been investigated.
对01420合金的形变热处理工艺和超塑性进行了研究。
At present more works are needed to understand the mechanisms of superplastic deformation in ceramics correctly.
目前，对于正确理解超塑性陶瓷的变形机理，还需进行大量工作。
Grain sliding controlled by grain boundary diffusion is the main mechanism for low temperature superplastic behavior.
晶界扩散控制晶界滑动是低温超塑行为的主要机理。
The viscoplasticity theory is suggested to be available to analyze the mechanical behavior of superplastic deformation.
本文提出可利用粘塑性理论解决超塑性变形的力学问题。
The mechanical behavior of commercial brass H62 bar under superplastic deformation was investigated by compression testing.
通过压缩试验，研究了供应态h 62黄铜棒材所表现出的超塑性变形的力学特性。
A model is established to describe the three-dimensional grain rearrangement in duplex alloy during superplastic deformation.
文中提出了一个双相合金超塑性变形晶粒三维重排模型。
Void emergence was an inevitable result of superplastic deformation. It affected the process of grain rearrangement directly.
结果表明，空洞的形成直接影响着晶粒重排过程。
The present research results about the electro plastic and electro superplastic effect of metals are summarized in this paper.
综合论述了金属的电致塑性和电致超塑性效应的研究状况。
The microstructural change and fracture morphology during superplastic deformation of LF6 Alumini-um alloy have been examined.
研究了LF6铝合金超塑性变形中的显微组织变化及断口形貌特征。
The superplastic gas bulging forming of a rolled magnesium alloy AZ31 at different temperature and gas pressure was researched.
研究了AZ31镁合金板材不同工艺条件下的气胀成形性能。
By way of experimental study, This paper approached the problem o calculating extrusion force of the superplastic tin-lead alloy.
通过锡铅超塑性材料的挤压实验，探讨了超塑态挤压变形力的计算问题。
By way of experimental study, This paper approached the problem o calculating extrusion force of the superplastic tin-lead alloy.
通过锡铅超塑性材料的挤压实验，探讨了超塑态挤压变形力的计算问题。
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