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1)  compressive plastic strain
压塑性应变
2)  compressive plastic strain
压缩塑性应变
1.
The traditional viewpoint of existing heating process and neglecting melting phenomena in welding results in the error of considering compressive plastic strain in welding.
由于认为焊缝存在加热过程和忽视熔化现象的存在,导致传统观点认为的焊缝存在压缩塑性应变的错误。
2.
Residual stress elimination does not employ the tensile plastic strain to reduce,withdraw or compensate the compressive plastic strain,but to convert the residual elastic strain to a.
提出焊接残余应力形成和消除原理:焊接残余应力不是压缩塑性应变引起的,而是由于焊缝和近缝区金属在"力学熔点"及以下温度冷却收缩受阻产生的;消除焊接残余应力不是产生拉伸塑性应变以减少、抵消和补偿压缩塑性应变,而是将残余弹性应变转变为塑性应变;消除焊接残余应力并不是必须去除固有应变,部分去除或完全不去除固有应变也能完全消除残余应力。
3.
The traditional view that the distribution of residual compressive plastic strain across the wel.
焊缝不存在残余压缩塑性应变,只存在拉伸应变,焊缝和近缝区残余压缩塑性应变分布和大小的传统观点不成立。
3)  plastic strain
塑性应变
1.
Preparation and evaluation of stress-elastic and plastic strain diagrams of sintered steels;
烧结钢的应力-弹性及塑性应变曲线的制作与评价
2.
Study on the impact of process parameters on the reliability of quad flat package solder joints based on shape prediction and plastic strain calculation;
基于焊点形态预测与塑性应变计算的工艺参数对QFP焊点可靠性影响分析
3.
Finite element simulation and analysis of the plastic strain in cross rolling for AZ31 magnesium alloy
AZ31镁合金交叉轧制塑性应变有限元模拟分析
4)  extrusion stress
挤压应力<塑性变形>
5)  value of plastic strain ratio
塑性应变比
1.
The hardening exponent,value of plastic strain ratio,yield strength,tensile strength,even percentage elongation and other mechanical performances have been studied.
对400MPa超级钢板材进行了拉伸试验、冷弯试验和金相组织检验,获得了超级钢板的硬化指数、塑性应变比、屈服强度、极限强度等力学性能,并分析了400MPa超级钢板的冲压成形性能,了解这些性能对超级钢冲压件在汽车行业里的应用与生产具有一定的指导作用。
2.
The mechanical performances such as hardening index,value of plastic strain ratio,yield stre.
研究了超级钢板的硬化指数、塑性应变比、屈服强度、极限强度、均匀延伸率等机械性能,并分析了超级钢板的冲压成形性能,超级刚具有较好的胀形性能、拉深性能、弯曲性能,抗起皱性能等冲压性能,可以广泛地应用于汽车冲压零件生产中。
6)  Plastic strain ratio
塑性应变比
1.
Analysis on uncertainty of plastic strain ratio-r ratio of metallic sheet;
金属薄板塑性应变比r值的测量不确定度分析
2.
Effects of electric field annealing on plastic strain ratio(r value)of IF(interstitial free)deep drawing steel sheet were studied by mean of tensile test.
通过拉伸实验研究了电场退火(850℃,25min)对IF深冲钢板塑性应变比(r值)的影响。
3.
Based on the models of continues mechanics of textured polycrystals (CMTP) and Kochend(?)rfer in which the quadric yield function form is employed, the plastic strain ratio (R-values) of polycrystalline metal (deep-drawing IF steel sheets) is calculated by the approaches of modified maximum entropy method (MMEM) of low-resolution texture analysis and harmonic method.
采用反射低分辨改进最大熵三维取向分布函数法(MMEMODF)和级数展开法(简ODF),按照织构多晶体连续力学法(CMTP),遵循Konchendrfer模型,选择非二次型屈服函数来预估多晶体深冲IF钢板的塑性应变比R值。
补充资料:平面应变压缩法
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性质:一种以恒定压缩面积来压缩试样的方法。将片状试样的中央部分放在有长方形截面积的两个模片之间加以压缩,这样,试样受压缩的面积是恒定的,可以很容易计算出真应力而不是公称应力。此外,这种压缩方法在应变增加时,模片和试样间的摩擦仍能保持恒定,而单轴压缩却不能做到这一点。本方法需要对边缘效应加以校正。

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