采用等温恒应变速率压缩试验对7A60超高强度铝合金的流动应力进行了研究。
The flow stress of 7A60 ultra high strength aluminum alloy was studied by isothermal compress test at constant strain rate.
采用等温恒应变速率压缩试验对超高强度铝合金的流动应力规律进行了研究。
Based on the isothermal constant strain-rate compression tests, the flow stress of a ultra high strength aluminum alloy was researched.
本文对螺旋压缩型弹簧的强度为模糊变量、应力为随机变量的情况,提出了模糊可靠的设计方法,并给出了计算实例。
This paper presents the fuzzy reliability design of the helical compression spring, on condition that a fuzzy variable strength and a random stress are given.
通过室内试验,对水泥改良土的物理性质、应力-应变关系、强度特性、压缩特性进行了研究。
Based on indoor tests, the physical properties, stress-strain relationship, intensity behaviors and compressibility of the modified soil with cement are studied in the paper.
结合压缩应力应变关系可进一步确定弹塑性失稳点的位置,从而导出压缩强度的理论公式。
Further determination of the elastoplastic instability point is facilitated by the compressional stress strain relation, which then gives rise of the final formula of the compressive strength.
结果显示,当最大接触应力大于橡胶材料压缩强度时,极易产生初始裂纹。
The FEA results show that initial crack comes into being as the maximal Von-Mise stress exceeds the compressive strength limit of rubber.
基于在伺服试验机对煤样的常规三轴压缩和三轴卸围压试验,分析了煤样在不同应力条件下的强度和变形特征。
The pseudo-triaxial compression tests and confining pressure reduction tests were carried out for coal specimen strengths in different stress on servo-controlled testing machine.
基于土的连结强度,研究基础长宽比对基底附加应力和压缩层深度的影响。
Based on the connecting strength of soil, the effects of foundation length-width ratio on base additional stress and depth of compressed layer were discussed.
得到了原状黄土的抗剪强度曲线、土-水特征曲线、压缩曲线及三轴应力应变曲线。
The shear strength curve and compressed curve and soil-water characteristic curve as well as triaxial stress-strain curve of intact loess were obtained.
在获得球形孔泡沫纯铝压缩应力-应变曲线基础上,研究了泡沫纯铝的压缩屈服强度、吸能能力。
Based on compression curves of spherical pores al foam measured, compressive yield strength and energy absorption were investigated.
还得到高温–高含冰量冻结黏土单轴压缩蠕变方程、应力–应变关系和长期强度方程的参数。
Furthermore, the parameters of the creep equation, long-term strength equation and relationship between stress and strain of the warm and ice-rich frozen soil were obtained.
结果表明,高羧基丁腈橡胶具有硬度、拉伸强度和定伸应力高,耐磨性好,压缩永久变形大,加工安全性较差等特点;
The results showed that the high carboxylated NBR featured high hardness, tensile strength and modulus, good abrasion resistance, but greater permanent set and poorer processing safety;
试验结果表明:轴向应力低于单轴压缩强度80%时孔道试样在内压下拉伸破裂,压力与轴向应力没有明显关系;
The experimental results show that the cracking pressure for hollow cylinder is not influenced by the axial load when it is lower than 80% of the uniaxial compression strength.
试验结果表明:轴向应力低于单轴压缩强度80%时孔道试样在内压下拉伸破裂,压力与轴向应力没有明显关系;
The experimental results show that the cracking pressure for hollow cylinder is not influenced by the axial load when it is lower than 80% of the uniaxial compression strength.
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