1) fracture strain energy density
断裂时的应变能密度
2) Fracture strain energy
断裂应变能
3) strain energy density
应变能密度
1.
Based on the strain energy density theory, the equivalent strain energy density at half life is used as a control parameter, and a new life prediction model for stress controlled fatigue or fatigue-creep interaction is proposed in this paper.
基于应变能密度理论,并以半寿命等效应变能密度作为控制参量,提出一种新的应力控制寿命预测方法。
2.
A 2-D finite element model of tire-rubber was established to simulate the crack growth of the sample under simple tension,by using the strain energy density parameter.
建立了二维轮胎橡胶材料的有限元模型,用应变能密度这个参数模拟了试样承受单向拉伸时裂纹的扩展方向。
3.
Based on the theory of continuum mechanics and maximum tensile stress criterion and conservation law of energy, this paper has proposed that fracture strain energy density of brittle materials is linear with their fracture strain, and that average stress decided by them is a material constant, which have been verified by PMMA materials tensile test at the different loading rates.
本文基于连续介质力学理论和最大拉应力准则 ,从能量的观点出发 ,根据能量守恒定律 ,提出了脆性材料的断裂应变能密度与断裂应变成线性关系 ,由此确定的平均应力为材料常数。
4) fracture strain
断裂应变
1.
The experiments showed that the tensile fracture strain of such PMMA specimens was nearly ten times of that un-precompressed.
实验结果表明,与未进行预压缩处理的试验片相比,预压缩处理后的试验片的拉伸断裂应变约为前者的10倍。
2.
A study is made to determine how the stress triaxiality, temperature and strain rate could influence the fracture strain of SiC particulate reinforced metal matrix composites (PRMMCs).
研究了应力三轴度、温度、应变速率对颗粒增强金属基复合材料 (PRMMCs)断裂应变的影响。
5) breaking factor strain
裂断应变
6) plastic strain energy density
塑性应变能密度
1.
The effects of titanium alloying method and titanium content on the plastic strain energy density and low-cycle fatigue behavior of A356 alloys were investigated.
结果表明:4种合金均表现为明显的循环硬化行为;具有较高钛含量的E14、M14合金的循环硬化能力高于低钛含量的E10和M10合金;合金的塑性应变能密度受应变幅的影响且具有循环相关性;高应变幅时,塑性应变能较高但随循环周次变化较小;当应变幅较低时,合金的塑性应变能较小但变化较大,特别是塑性较好的E10和M10合金;无论是电解加钛还是熔配加钛,钛含量为0。
补充资料：应变能释放速率
分子式：
CAS号：
性质：在线性弹性断裂力学中，把裂纹增加单位长度所需的能量。以符号G表示。对于张开型裂纹，通常用G1表示，当G1达某一临界值G1C时，材料断裂。
CAS号：
性质：在线性弹性断裂力学中，把裂纹增加单位长度所需的能量。以符号G表示。对于张开型裂纹，通常用G1表示，当G1达某一临界值G1C时，材料断裂。
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参考词条