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- The flow stress of the material changes with deformation, so called strain hardening or workhardening behavior and may be influenced by the rate of deformation. 材料的流量应力变化伴随着材料变形,这就是应变硬化或加工硬化特性而且会收到变形率的影响。
- The flow stress of the material changes with deformation, so called strain hardening or workhardening behaior and may be influenced by the rate of deformation. 材料的流量应力变化伴随着材料变形,这就是应变硬化或加工硬化特性而且会收到变形率的影响。
- When it accumulated to a higher degree, the specimen began to shear and dilate after a short time of strain hardening. 达到一定程度后,岩石表现出短暂的应变硬化,岩石开始剪胀。
- The strain hardening behaviour of five TWIP steels with different Mn content was investigated by static tensile test and metallography. 采用静态拉伸、金相组织观察方法研究了5种不同锰含量的TWIP钢的拉伸应变硬化行为。
- Abstract The strain hardening behaviour of five TWIP steels with different Mn content was investigated by static tensile test and metallography. 摘要 采用静态拉伸、金相组织观察方法研究了5种不同锰含量的TWIP钢的拉伸应变硬化行为。
- Meanwhile, the whisker orientation affects the shapes of the stress strain curves of the composites. 同时晶须取向也影响复合材料的热压缩应力-应变曲线的形状。
- The geometric and material nonlinearities,the linear kinematic hardening and the effect of strain hardening at corner zone by cold-forming are taken into account in the model. 分析结果表明:宽厚比和轴压比对构件滞回性能影响显著,随着宽厚比的增加,构件承载、转动以及塑性变形能力降低;
- An important aspect of the stress strain data in Fig. 78 is the linearity of the log-log plots. 图78中应力-应变数据的一个重要情况是在双对数座标上图线的直线性。
- Regarding the design method, pseudo strain hardening model, pseudo strain hardening performance indices and how to choose fiber, matrix and interface for UHTCC are introduced. 在材料设计方法部分,详细介绍准应变硬化模型、准应变硬化性能参数,以及材料中纤维、基体和界面各组分的选择。
- The formulate of stress、strain and BEF have been deduced and all these have been testified by experiment. 通过实验,证明了这些公式的正确。
- Nonlinear strain hardening, pressure and J3 dependent failure surface, strain softening, tensile and compressive damage and strain rate effects are accounted in the model. 模型考虑了应变硬化、压力和J3相关的失效面、软化、拉伸损伤、压缩损伤和应变率效应。
- This type of damage partly eliminates the strain hardening effect,reduces the effective loadlng area of specimens and accelerates the beglnning of plastic instability. 这些微观损伤起到部分抵消形变强化效应的作用,并导致试样有效承载截面减小,从而对塑性失稳的开始起到促进作用。
- The results show that the method can be applied to strength behaviors and stress strain characteristics of plastic foamed beads light soil. 结果表明:该方法可以比较合理地对塑料发泡颗粒轻质土的应力-应变特征及强度特性进行评价;
- The earthquake spectrums analysis indicated that the failures of building structural steels at seismic areas are created of high stress strain and low cycle fatigue. 地震波谱分析表明,地震区建筑结构用钢受震时的主要失效形式是高应力低周疲劳损伤和断裂。
- This thesis mainly researches whole performance of high-rise building disposed SRC column and partial stress、strain of SRC column,it belongs to the field of RC. 本文主要研究配置型钢混凝土柱的高层结构的整体工作性能和型钢混凝土柱的局部应力应变情况,属钢筋混凝土课题。
- The percussion figure of biotite as the product of brittle deformation occurs within the mylonite belt characterized by ductile deformation because of strain hardening during tectonic pulsation. 黑云母击象是脆性变形产物,它形成于以柔性变形为主的糜棱岩带中是由于构造过程中的应变硬化。
- It is found that BE causes yield strength to be decreased,strain hardening exponent to be divided into two segments,the yield ratio nearly keeps unchanged in plate in comparison with that in tube. 试验发现包申格效应导致屈服强度降低,应变硬化指数明显分为两个阶段。板与管相比,屈强比无明显改变。
- As a new surface strengthening technology,laser shock processing(laser peening) uses intensepulse laser to produce shock waves on metal surface,which induces strain hardening on the surface of metal. 激光冲击强化技术(又称激光喷丸)是利用强脉冲激光产生的压力冲击波在金属材料表层产生应变硬化的一种新型表面强化技术。
- By plasticity increment theory,the stress strain numerical calculate methods of bellows bulge forming, solvers theory calculating problems of bellows bulge forming technology are put forward. 采用塑性增量理论,建立了波纹管液压胀形的应力、应变数值计算方法,解决了波纹管液压胀形工艺的理论计算问题。
- The result indicates, the form of stress strain relations adding the structural parameter are converted into the hyperbolic form, and could be calculated with the expression of hyperbola. 结果表明,引入结构性参数后的应力应变曲线转化为有规律性的双曲线形态,并可用双曲线拟合计算。