研究了8090合金超塑性变形中的位错行为。
Dislocation behavior in the superplastic deformation of 8090 Al-Li alloy was investigated.
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 viscoplasticity theory is suggested to be available to analyze the mechanical behavior of 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。
A model is established to describe the three-dimensional grain rearrangement in duplex alloy during superplastic deformation.
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。
The cavitation behavior and the fracture mechanism under superplastic deformation are analyzed too.
研究LD 5棒材超塑性变形工艺参数与力学性能的关系。
The relationship between the technical parameters of LD5 alloy super-plastic deformation and the mechanical performance is investigated.
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。
Elongation of the sample during superplastic deformation has a close relation with grain boundary width.
对大块非晶合金在过冷液相区内的超塑性变形特点进行了评述。
Superplastic behaviors of bulk amorphous alloys in the supercooled liquid region were reviewed.
研究了超塑性变形薄壳件的现象学方面，并考虑到结构参数的变化。
Phenomenology of super plastic forming shell is studied and the changes of structure parameters are also considered.
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 microstructural change and fracture morphology during superplastic deformation of LF6 Alumini-um alloy have been examined.
概述了岩石超塑性变形机制、显微构造特征、影响因素及其动力学意义。
This paper mainly reviews deformation mechanism of superplasticity, microstructural aspects and its dynamic implications.
结果表明，此状态下的铝合金在超塑性变形过程中晶界宽度和形态会发生改变。
The results showed that grain boundary width and grain boundary form of the aluminum alloy would change during superplastic deformation.
超塑性变形的微观机制是以晶界滑动为主，晶内变形以及位错蠕变起了协调作用。
The principal superplastic deformation mechanism for the alloy is boundary sliding, assistant ones are deformations inside the grains and dislocations creep.
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。
The mechanical behavior of commercial brass H62 bar under superplastic deformation was investigated by compression testing.
由此可以给出超塑性变形时应变和应变速率区的限度，有益于指导实际的超塑性成型。
From this, the Limit of strain rate and strain of superplasticity can be given, and this is useful for practice of deformation with superplasticity.
工业挤压态az31镁合金压缩超塑性变形机制为动态再结晶协调下的晶界滑移机制。
The deformation mechanism of the compression superplasticity of commercial AZ31 magnesium alloy-extruded is grain boundary sliding mechanism in coordination with the dynamic recrystallization.
通过采取相应措施防止氧化，以提高钛合金超塑性变形的性能，确保钛合金等温锻造质量。
Thus the efficient measure of preventing from oxidization was introduced to improve the superplastic deformation and quality of isothermal forging for titanium alloy.
在超塑性变形过程中发生发生连续回复和再结晶，导致原始大晶粒组织经超塑性变形后的显著细化。
The initial large grain microstructure became much finer after superplastic deformation. The large grained superplastic phenomenon could be explained by continuous recovery and recrystallization.
为获得轧制态5083铝合金超塑性变形行为的工艺参数，对超塑性变形行为及其原理进行了研究。
Aimed at obtaining the technology parameters of the super plasticity, this paper introduces the investigation into the rolled 5083 aluminum alloy and discusses the theory of the super plasticity.
超塑性变形的主要机制是细小晶粒的晶界滑动，适当的微量液相有利于该复合材料的高应变速率超塑性。
The dominant process of superplastic deformation is fine grain boundary sliding, and an appropriately small amount of liquid phase can enhance the high strain rate superplasticity of the composite.
[13]郑大伟。1420铝锂合金板材的超塑性变形行为及机理[d]。长沙：中南大学，2010。
ZHENG Da-wei. The superplastic deformation behavior and mechanism of 1420 Al-Li alloy [d]. Changsha: Central South University, 2010.
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%。
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%.
综述了镁合金超塑性的研究进展，总结了镁合金超塑性变形的微观机理，评述了镁合金高应变速率超塑性的研究状况，提出了几个需要解决的问题和研究方向。
The current status of research on high strain rate superplasticity of magnesium alloys is then examined, and several problems to be solved and future directions are suggested.
对橄榄岩中单斜辉石和斜方辉石的组构分析表明，碧溪岭地区超基性岩经历了塑性变形，形成了LPO组构；
The fabric analysis of Cpx and Opx in peridotite indicates that the Bixiling ultra_basic rocks has experienced the ductile deformation, resulting in the LPO fabric.
叉车货叉失效方式主要表现为塑性变形超差，脆性断裂和早期疲劳断裂。
Fork failure of a forklift truck mainly takes a form of plastic deformation exceeding allowable limit, fragile breakage and early stage fatigue breakage.
深度塑性变形解决了传统纳米超细晶材料制备方法存在的问题。
Severe plastic deformation settled the existing problems of the conventional methods.
并介绍了两种完全有别于传统的剧烈塑性变形制备超细晶和纳米晶金属材料的最新工艺，如大应变切削和大应变挤压切削。
Two novel technologies which are radically different from traditional SPD methods, such as large strain machining(LSM) and large strain extrusion machining(LSEM), were introduced.
并介绍了两种完全有别于传统的剧烈塑性变形制备超细晶和纳米晶金属材料的最新工艺，如大应变切削和大应变挤压切削。
Two novel technologies which are radically different from traditional SPD methods, such as large strain machining(LSM) and large strain extrusion machining(LSEM), were introduced.
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