Present gun barrels are made up of high-strength steel. This type of material possess the differential strength in tension and compression.
现代火炮身管多用高强度钢制造，这类材料在拉伸和压缩时的力学性能存在明显差异。
This paper makes the optimum autofrettage analysis of thick-walled cylinder of the material with different yield strength in tension and compression base on the Mohr's yield criterion.
本文运用莫尔屈服准则对承受内压的拉压屈服强度不同材料的厚壁圆筒进行了自增强分析，得到了依赖于材料拉压比的厚壁圆筒的最佳弹塑性界面半径、最佳自增强内压。
A kind of method to evaluate and test the tension-compression fatigue strength of gray cast iron was introduced in this paper.
介绍了一种评价与测试灰铸铁铸件的拉压疲劳极限的方法。
The strength experiments of lightweight aggregate (LWA) concrete after freeze-thaw cycling in seawater under biaxial splitting tension and compression stress are preformed.
进行海水中不同冻融循环次数后轻骨料混凝土双轴拉(劈拉)压状态下的强度试验，考察试件的破坏形态和表面裂缝的走向特征。
P96 the strength of metals is reduced if they are repeatedly loaded alternately in tension and in compression.
如果用拉力和压力重复地交替加载金属，金属强度就会减少。
P96 the strength of metals is reduced if they are repeatedly loaded alternately in tension and in compression.
如果用拉力和压力重复地交替加载金属，金属强度就会减少。
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