1) octahedral stress
八面体应力
2) octahedral shear stress
八面体剪应力
1.
The results show that strength of NEPE solid propellant under multi-axis stress state is related to strain;octahedral shear stress nonlinearly increases with the average main stress.
研究表明,多轴应力状态下NEPE固体推进剂强度与应力相关,八面体剪应力随平均主应力的增加呈非线性增加;NEPE推进剂的破坏强度随拉伸速率的增加而提高。
2.
In order further to investigate the penetration mechanism of projectiles into a rock target, the property of nonlinear dependence of the octahedral shear stress on an average principal stress state was considered, and the traditional Twin Shear United Strength criterion was improved by adding the nonlinear item of the average principal stress state.
为进一步探讨弹体对岩石靶体的侵彻作用机理,基于对岩石材料的八面体剪应力随平均主应力非线性增加特性的考虑,通过增加平均主应力的非线性项对双剪统一强度准则进行改进。
3) octahedral normal stress
八面体正应力
4) Octahedral normal stress
正八面体正应力
5) octahedral stress space
八面体应力空间
1.
Relative to uniaxial compressive strength, the increase in both normal stress strength and shear stress strength in octahedral stress space becomes more significant with the further increment of suffered temperature after 200℃.
随着温度的升高,三轴抗压强度的降低程度与单轴下不同,八面体应力空间正应力、剪应力破坏强度与单轴抗压强度的相对值在200℃后加速增大。
6) octahedral-shear strength theory
八面体剪应力强度理论
补充资料：八面体应力
八面体应力
octahedral stress
bamianti yingli八面体应力(oetahedral Stress)作用在和三个主应力轴成等倾斜面上的应力。因这些等倾斜面构成具有四组平行平面的八面体(见图)，由此得名八面体应力。 八面体应力可分为八面体正应力和八面体切应力。 八面体正应力: a。一音(。+二+吼，用主应力表示时八面体正应力为: 。。一音(。1+aZ+a3，_) 八面体与八面体应力由此可见，八面体正应力等于应力张量第一不变量的三分之一。 八面体切应力::。一士粤x 一3 寸(ax一动2+(丐一动2+(几一几)“+6(魂十嵘+r!x)用主应力表示时八面体切应力为:一士音丫(。1一)2+(aZ一，2+(a3一，2用主切应力表示时八面体切应力为: 22。 r。=士于Vr爹:+r蛋3十r轰1 一3八面体切应力与偏应力张量的二次不变量的关系是: T。一衙 (王占学)
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参考词条