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- The superplastic constitutive relation developed by the second author of the paper considers three types of microscopic deformation mechanisms and the grain growth process. 金泉林等提出的超塑性本构关系考虑了三种微观变形机制和晶粒生长过程,但单纯依靠实验很难准确的测定该本构关系的材料参数。
- The deformation mechanism of AZ91D superplasticity is grain boundary sliding. 挤压态AZ91D镁合金超塑性变形的主要机制为晶界滑移机制。
- The experimental results suggest that the chalk behavior can be modeled in terms of elastoplastic model with two plastic deformation mechanisms:plastic compaction(pore collapse) and plastic shearing. 白垩是一种典型的多孔岩石,三轴试验研究成果表明白垩具有2种塑性力学机理:塑性压缩(孔隙坍塌)和剪切破坏。
- The study on the mechanical deformation mechanism of the ice and the ice/structure interactions is an important topic. 冰的力学变形机理以及它与结构相互作用力问题的研究是力学领域内研究的重要课题。
- It is suggested that deformation mechanism of crystalline polymers may be different depending on drawing condition. 指出拉伸结晶聚合物的形变机理可能依赖于拉伸条件。
- Based on real time CT testing, primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition. 摘要基于对裂隙岩石的细观CT试验,对含有单一裂纹的贵溪红砂岩在单轴疲劳荷载作用下的损伤扩展机理和演化过程进行了初步的试验研究。
- In this paper, deformation mechanism and energy absorbability of foam metal in the course of compressing were researched by finite element simulation. 本文主要是对多孔材料在压缩过程中的变形机制以及能量吸收性进行有限元模拟研究。
- In this paper, the deformation process and deformation mechanism of Qilianshan Structure Belt, since Cenozoic era, have been discussed. 论述了祁连山构造带新生代以来的变形过程及形成机制。
- The deformation mechanism of cone-shape part dieless drawing was analyzed.The law of drawing speed and hot-cool source speed has been put forward. 分析了锥形件无模拉伸的变形机制,提出了锥形件无模拉伸速度和冷热源移动速度的变化规律。
- It is demonstrated that twinning is the primary deformation mechanism and hardening mechanism at the initial stage of warm deformation. 结果表明:在温变形的初始阶段;孪生.;主要的变形机理和硬化机制。
- Another feature observed during creep is that twinning occurs as an important deformation mechanism, leading to improvement of the alloy ductility. 蠕变初始阶段, 在应力的作用下,适当取向的晶体发生孪生,并作为一种附加的变形机制而改善合金的韧性。
- This deformation mechanism of twinning induced plastic provided the specimens excellent elongation with no-necking phenomenon. 随后其余部分晶粒发生转变,形成对变形有利的取向,从而变形得到扩展,最终得到非常大的无颈缩延伸。
- The recent development of the high strain rate superplasticity(HSRS), its deformation mechanism and commercial applications are reviewed in the paper. 综述了高应变速率超塑材料及其变形机理和工业应用的最新进展。
- The flow stress behavior,microstructure change and deformation mechanism in different temperature and strain rate were analyzed. 分析了其不同温度、不同应变速率下的流动应力、组织变化规律和变形机理。
- In order to investigate the deformation mechanism, kinematical model of meshing points and tooth deformation is established in an innovate manner.Simulation of... 并考虑瞬时啮合刚度的影响,对轮齿表面的塑性变形进行了仿真计算,模拟结果与实验结果有较好的一致性。
- Furthermore, we discuss the superplasticity of this ceramics during the low, medium and high strain rate at high temperatures and deformation mechanism of the HSRS ceramics. 进一步研究了此复相陶瓷在高温状态下的低、中、高应变率的超塑性,提出了适合陶瓷材料形变的高应变率超塑性机理。
- The results show that some twin crystals and honeycomb structures appear in the shear plane and many kinds of deformation mechanism exist such as extruding, kinking and so on. 结果表明:经剪切变形后,切面处形成一种独特的带状变形孪晶和蜂窝状变形组织,且存在挤压、扭折等多种变形机制的作用;
- The research works on the mechanical properties,deformation mechanism and toughness of short glass fiber reinforced polypropylene(PP/SGF) were reviewed. 综述了近年来有关短玻纤增强聚丙烯复合材料的力学性能、变形机理和断裂韧性等方面的研究工作。
- In order to explore the strength and deformation mechanism of the geo-materials, some researches on the deformation and failure process in meso-scope must be performed. 进一步探索岩土介质的强度与变形机理,就必然要深入分析其细观变形和破坏性态。
- Abstract: The recent development of the high strain rate superplasticity(HSRS), its deformation mechanism and commercial applications are reviewed in the paper. 文摘:综述了高应变速率超塑材料及其变形机理和工业应用的最新进展。