轴向拉伸比和环向扩张比要合理匹配。
The axial drawing ratio and hoop extension ratio should be properly matched.
单轴的应力状态跟棱柱杆承受单纯轴向拉伸十分近似。
The condition of uniaxial stress is closely approximated in prismatic bars subjected to pure axial tensile.
凹陷深度越大，初始轴向拉伸力的存在对立管的影响越大。
The axial tensile had greater influence on the ultimate strength of the dented riser as the depth was deeper.
以退火纯铜及正火铝青铜在轴向拉伸下进行室温静、动态蠕变试验。
In this paper, creep tests were carried out on annealed pure copper and normalized bronze containing Al under static and cyclic tension at room temperature.
对加入轴向纤维的RPM管轴向拉伸性能进行了分析，并指出了其中值得注意的问题。
The tensile properties of RPM pipes with axial fiber are analyzed and attention should be paid to some new problems.
结果表明：周向剪切应力场可明显改善管材的周向强度，轴向拉伸可实现管材轴向增强。
It was found that the circular shearing and axial tensile increased the circular and axial strength of the pipe, respectively.
本文介绍极慢速加荷条件下混凝土轴向拉伸试验方法，它能测定混凝土受载时的特性曲线。
The method of uniaxial tension test of concrete under ultra-low loading rate is described. It can be used to determine the characteristic curve of concrete under loading condition.
采用分子动力学方法，模拟了（10，10）碳、氮化硼纳米管及纳米豆荚的轴向拉伸与压缩。
By using molecular dynamics(MD) method, the axial tension and compression of the (10,10) carbon, BN nanotubes and nanopeapods were simulated.
表面裂纹萌生原因是拉杆在腐蚀性高炉煤气粉尘和轴向拉伸等工作应力的综合作用下，形成的应力腐蚀裂纹。
The initiation of the cracks was caused by stress corrosion resulting from the co-effect of the corrosive gas dust and the axial tensile stress.
野外和室内的初步研究表明，这种小圆环带可能是在轴向拉伸应变下，主要由石英晶内（0001）〈（?）
The preliminary studies both in the field and in the laboratory indicate that this kind of small circle may be formed because of intragranular glide of (0001) <11(?)
本文利用自制的光粘弹性材料，用光弹性法研究了在轴向拉伸荷载作用下带有圆孔的杆件中的粘弹性应力集中系数。
A photoelastic study for the viscoelastic stress-concentration factors in bars with a round hole under axial tension load, using self-made viscoelastic materials is presented in this paper.
在小的轴向拉伸下，扶手椅型碳纳米管仍然是良好的导体，但其费米波矢、费米点及费米面处的有效质量都发生了变化。
It is found that under little axial strain, armchair carbon nanotubes are still conductors, but Fermi wave vector, Fermi dot and the effective mass near Fermi face are changed.
该装置将试样通过上、下夹头安装在主承力框架内，利用弹簧对试样施加轴向载荷，使试样承受恒定的拉伸应力。
The specimen was put in framework by top and bottom fixture and constant tensile load was applied by spring.
研究以涤纶经编多轴向织物为基布、表面复合聚氯乙烯压延薄膜制成的新型可作膜结构材料使用的织物增强柔性复合材料的拉伸性能。
This paper discussed a new coated fabric used for membrane, which is made by multi axial warp-knitted fabric of the PET fiber reinforcing PVC sheets.
研究结果表明，在很大的轴向水平压力作用下，介质会产生间隔的拉伸裂缝，形成分层断裂现象。
It is shown that the interval tension fracture would occur repeatedly under large axial compression stress, which forms the layered failure.
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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