应变强化

低温下钢材应变强化系数的测定

Measurement of strain hardening coefficients of steels at low temperatures

双相钢板应变强化和烘烤硬化特性试验研究

Experimental study on the strain hardening and bake hardening properties of dual phase steel

金属板料幂指型硬化模型应变强化系数K值研究

Research on strength coefficient in power hardening model of sheet metal

线型切割索侵彻硬铝板的实验研究及数值模拟仿真金属板料幂指型硬化模型应变强化系数K值研究

Experimental Research and Numerical Simulation of Linetype Shaped Charge Jet s Penetration into Alloyed Aluminum Plates ; Research on strength coefficient in power hardening model of sheet metal

Cu-Ag合金原位纤维复合材料的应变强化效应

Strain strengthening of Cu-Ag alloy in situ filamentary composites

在热模拟单向压缩实验中，通过形变参数的变化考察了Q235碳素钢应变强化相变的基本规律及铁素体晶粒细化效果。

The microstructure evolution of Q235 plain carbon steel in multi-pass hot deformation was investigated by means of hot compression simulation .

结果表明：X60管线钢拉伸变形表现出显著的应变强化效应，但塑性降低；

The pre-straining had apparent straining hardening effects , but decreased the plasticity of pipeline steel .

该模型能考虑Bauschinger效应、应变强化效应和强度退化效应的影响，且能描述钢杆件在任意状态下真实弹塑性刚度的连续性变化过程。

The proposed analysis model can take into account the Bauschinger effect , the strain hardening effect and the strength degeneration effect , and depict the continuous changing process of the real elasto-plastic rigidity of steel bars under arbitrary states .

在Hull-Rimmer理论的基础上，建立适用于不同预应变强化量条件下的奥氏体不锈钢高温疲劳寿命预测方程，预测结果与试验结果吻合较好。

Based on the Hull-Rimmer theory , a life prediction equation applicable to different pre-strain in high temperature was developed , and the predicted lives coincided well with the test results .

考虑应变强化的高压缩性黏土修正双曲线模型

Modified Hyperbolic Model of High Compressibility Clay Considering Strain Strengthening Effects

应变强化结构安定性上限分析的数值方法

Computational approach to kinematic shakedown analysis of structures experiencing strain-hardening

应变强化纤维加强水泥基配筋复合材料的抗弯承载力模型

Flexural strength model of steel-strain hardening fiber reinforced cementitious composites

不同应变强化模型下结构安定性的研究

Study on shakedown of structures under different strain-hardening models

板材应变强化过程的不同一性及硬化性能参数的确定

Non-Identity for the Strain-Hardening Processes of Sheet Metals and Determination of the Hardening Parameters

表面应变强化对不锈钢应力腐蚀开裂的影响

The Effect of Surface Strain Strengthening on Stress Corrosion Cracking Behavior in Stainless Steels

本文建立了钢筋-应变强化类高性能水泥基复合材料的抗弯承载力模型。

An analytical model has been developed for the flexural strength of high perfor - mance fiber reinforced cementitious composites with steel .

奥氏体不锈钢低温容器应变强化技术，能够大幅度的提高材料的许用应力，减薄容器的壁厚，从而节约材料、减少低温容器的制造成本，提高产品竞争力。

Pressure strengthening technology of cryogenic vessels can significantly increase the allowable stress and thus reduce the wall thickness of the vessel .

应变强化技术可显著地提高奥氏体不锈钢材料的屈服强度，从而减薄容器壁厚，降低容器重量，实现压力容器轻型化设计的目标。

The technology of strain hardening can significantly increase the yield strength of austenitic stainless steel , and thus reduce the wall thickness of vessel .

分析中考虑了大位移引起的几何非线性；塑性、应变强化及应变率效应引起的材料非线性的影响。

It takes into account the influences of geometrical nonlinearities due to large , deflection and material nonlinearities due to plasticity , strain-hardening and Strain-rate Sensitivity .

本文解作为一般解，既能反映材料的弹性变形，也能计入材料的塑性应变强化。

As a general one , the presented solution can represent not only the Linear-elastic response but also the plastic strain hardening of an actual material .

在压缩负载下，应力曲线出现了应变强化阶段，强化值随着应变率的升高而增大；应变率对应力曲线的弹性阶段也没有影响，弹性模量和屈服强度都保持不变。

In the compression load , the strain rate also did not affect the elastic stage , the elastic modulus and yield strength will remain the same when strain rate increased .

对该合金流变应力随温度变化趋势与应变速率关系，以及应变强化效应与温度和应变速率关系进行了较为详细的讨论。

Discussed the relationship of strain rate , the varying tendency of flow stress while temperature changing , and the relationship of strain hardening effect , temperature and strain rate in detail .

应变强化压力容器由于其轻型化等经济性优势而得到不断发展与运用，然其稳定性问题是值得探讨的问题。

Strain strengthen pressure vessel have the advantage such as light-duty and so on so that strengthening economy that it obtains continuous development and utilization , but its stability is worthy of discussion .

该合金拉伸变形时无明显屈服点；温度较低时有一定的应变强化倾向，温度较高时呈理想的弹塑性特征。

It is Concluded that the alloy has no distinct yield point during tension strains , it has certain strain hardening tendency under lower temperatures and its elastoplastic characteristics become ideal under higher temperatures .

本文通过材料试验分析及应变强化容器的数值模拟研究，得到了合适的应变强化增压速率及控制策略，开发出了应变强化控制系统。

Based on analysis of material test and numerical simulation of cold-stretched vessel , the proper rate of pressure rise and control strategy is studied . And the cold stretching control system is developed .

当纤维受外力拉伸发生塑性形变时，无定形及晶区首先发生取向，一部分无定形及中间相向晶区转化，导致了纤维应变强化特性。

When the plastic deformation happened during drawing , the amorphous and crystalline regions oriented first . Some part of amorphous RSF and mesophase transformed to crystals which resulted in strain-hardening of hybrid silk .

考虑钢材的损伤累积效应和应变强化效应，应用塑性应变和能量耗损理论建立了钢材的损伤力学模型；

A damage model of steel is built on the basis of the theory of plastic strain and energy dissipation , in which the damage accumulation effect and the strain strengthening effect are considered .

将加强圈运用于应变强化压力容器时，加强圈采用扁钢截面、等间距放置、内置于筒体内壁处及采用多道加强圈的方式较为合理。

While using reinforcing ring on the strain strengthen pressure vessel , it is reasonable that reinforcing rings use lap steel section , are equal spacing placed , are placed inside the cylinder body wall .

研究认为，不同金属具有不同的裂纹钝化特征，钝化线方程取决于材料的强度、塑性和应变强化能力。

It is considered that the crack blunting process of each several material is different and that the blunting equation depends on the dissimilarity in strength , ductility and strain hardening behavior of the materials .

本文在考虑有限随动应变强化材料模型的情况下，提出了恒定载荷与复杂变化载荷联合作用下弯管结构安定上限分析的有限元数学规划方法。

In case of the limited kinematic strain hardening material model , a numerical method is proposed for upper bound shakedown analysis of elbow structures under the combined action of constant and complex variable loads .