• 随着应变速率增加,稳态流变应力增大

    The flow stress increases with the increase of strain rates.

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  • 输出参数流变应力

    The output parameter was the flow stress.

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  • 结果表明流变应力取决于变形温度变形速率

    It is found that flow stress is dependent on deformation temperature and strain rates.

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  • 压缸内摩擦力铝锭的流变应力引起温度变化

    The temperature change is caused by the friction in the container and the flow stress of the aluminum.

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  • 分析比较合金流变应力温度应变敏感性

    The sensitivities of the plastic flow stress to strain rate and temperature are analyzed.

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  • 温度一定时,流变应力随着应变速率升高而增大

    When deformation temperature is constant, flow stress increases with the increase of strain rate.

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  • 随着拉伸速度减小,合金流变应力减小,延伸率增大

    The flow stress decreases and the elongation increases with the decrease of stress rate .

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  • 依据现有流变学定律估算流变应力应该几十帕以上。

    Stress level is estimated at tens of MPa based on existing flow laws.

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  • 流变应力峰值应变变形温度升高和应变速率降低而减小

    The results show that the flow stress and peak strain of 300M steel increase with the increase of strain rate or the decrease of deformation temperature.

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  • 流变应力随着变形速率增加而增加,随着变形温度升高降低

    The flow stress decreases with the increase of deforming temperature and increases with the increase of strain rate.

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  • 结果表明,流变应力随着温度升高降低,随应变的升高而增大

    It was pointed out that the flow stress decreases with the increase of deforming temperature, while increased with the increasing of strain rate.

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  • 结果表明同一温度下,应变速率不同,材料流变应力模式不同;

    The results show that the model of deformation resisitance is different at the same deformation temperature and the different stain rate.

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  • 金属钼应变速率敏感性材料,即流变应力随着变形速率的增加而增大

    Molybdenum is strain rate sensitive material, that is, flow stress increases with increasing strain rate.

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  • 结果表明应变速率变形温度合金流变应力变形组织显著影响

    The results showed that the flow stress and deformed microstructure were greatly affected by strain rate and deformation temperature.

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  • 峰值流变应力随着变形温度升高下降下降速率随着温度升高而降低

    The maximum flow stress decreased with the increase of the temperature, furthermore, the reduction speed decreased with the increase of the temperature.

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  • 确定管道流变应力不确定性分布缺陷压力管道进行可靠性评定的前提。

    For assessing reliability of a pressure piping containing defects, it is necessary to know the calculation method and the distributions of flow stress of material.

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  • 本文分析了鞍钢1780生产低碳钢热连轧过程中平均流变应力变化

    The variation of mean flow stress of two kinds of low carbon steel rolled in Angang 1780 finishing mill were analyzed.

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  • 试验结果表明流变应力峰值应变变形温度的降低和应变速率的提高而增大

    The results show that the flow stress and peak strain increase with either increasing strain rate or decreasing deformation temperature.

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  • 分析了不同分流模模桥结构下焊合面上接触压力流变应力速度分布及其变化

    The distributions and changes of the contact pressure, flow stress and velocity field on the welding plane were analyzed.

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  • 对1050铝合金进行了热轧试验,当达到很大积累应变时,会产生饱和流变应力

    Hot rolling testing of1050aluminium alloy developed saturation flow stresses at very large accumulated strains.

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  • 结果表明:实验条件下,流变应力峰值应变变形温度降低应变速率提高而增大

    The results show that the flow stress and peak strain increase with increasing strain rate or decreasing deformation temperature.

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  • 结果表明弹性模量流变应力变形温度升高降低,而流变应力应变速率提高而增大

    Results show that the elastic modulus and flow stress decreases with the increase of temperature, while the stress rises with the strain rate increases.

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  • 采用应力一真应变曲线TEM研究高温压缩变形中的流变应力行为和它的动态结晶过程。

    The dynamic recrystallization mechanism during hot compress was examined by the true stress-strain curves and TEM.

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  • 研究AA70 0 5合金高温压缩变形时流变应力动态回复再结晶以及变形组织变化特征

    The flow behavior and dynamic recovery and recrystallization, as well as microstructure evolution, of AA7005 aluminium alloy in hot compression were investigated.

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  • 研究表明,6061铝合金压缩塑性变形时流变应力应变速率之间的关系满足双曲正弦函数关系式

    The results show that relationship between flow stress and strain rate is applied to hyperbolic sine equation in the hot compressive deformation of 6061 aluminum alloy;

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  • 稳态金属材料热变形过程中的稳态流变应力模型修正项流变应力随应变的变化而变化的部分。

    The steady state term is the steady flow stress model of metal materials in the semi-hot forming process, and it is a model related to the Z parameter;

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  • 神经网络可以预测不同应变相应流变应力但是本构方程只可以根据不同的应变速率温度来预测峰值应力

    And ANN model could predict the corresponding flow stress at different strain, but constitutive equations could only predict the peak stress depending on different strain rates and temperatures.

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  • 结果表明复合材料在高温下流变应力低,峰值应力与变形温度应变速率之间关系在低应力区符合指数关系。

    The results show that, the flow stress of SiCP/AZ61 composite is low, the relationship between peak stress and temperature or strain rate is exponential relationship.

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  • 结果表明,所建立网络模型具有优良的性能,精确预测AZ61 B合金热变形条件下的再结晶晶粒尺寸流变应力

    The result indicates that models are good enough to exactly predict recrystallization grain size and flow stress of AZ61...

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  • 试验得出变形过程中的应力应变曲线,并利用本构方程流变应力值进行修正,进而根据修正后的应力绘制功率耗散图。

    The flow stress was corrected by the constitutive equation and the power dissipation map was obtained using the corrected stress.

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