查询词典 tensile strength

Data were obtained and analyzed, including ultimate tensile stress σ(subscript max, breaking strain ε(subscript m, and modulus of elasticity under 0.3MPa stress. Results The ultimate tensile stress of three groups are respectively 6.01±1.43、6.96±0.93 and 12.94±2.03MPa. Samples following GA treatment improve correspondingly, but stiffness of the tissue is increased.

结果 三组极限抗张强度分别为(6.01±1.43)、(6.96±0.93)和(12.94±2.03)MPa，戊二醛处理后的SIS在强度上有较大改善，但是组织变得僵硬；亚甲基蓝光氧化交联处理后的SIS强度改善不是特别明显，柔韧性增强。

Utilizing improved thermal/mechanical simulation apparatus, the quickly electric heating technique is realized for carbonous composites, tensile and compressive properties of hybrid carbon-carbon composite at up to 2800℃ are then experimental investigated in this paper, both tensile and compressive fracture strengths and moduli are measured at different temperatures.

假设材料烧蚀后各相介质统计均匀分布，考虑孔隙中的气孔与固体相之间的相互作用，建立了相应的细观理论模型，预报了不同结构层次的复合材料的热物理性能及有效弹性模量随温度和加温速率的变化规律，与实验结果对照，吻合较好。

The result shows that the deformation tendency of dentiform is from curved to straight due to the tensile stress, and the tensile stress is mainly generated during the heating and quenching stages in the heat treatment.

结果表明：在拉应力的作用下，齿形变化的方式是由弯变直；拉应力主要产生在最终热处理时的加热和淬火冷却阶段。

Keywords TC4 titanium alloy;electron beam welding;high-temperature tensile test;endurant tensile test

TC4钛合金；电子束焊；高温拉伸；持久拉伸

The microstructures and high-temperature properties of TC4 titanium alloy joints welded by the electron beam were investigated by high-temperature tensile test, high-temperature endurant tensile test and metallographic examination.

通过高温拉伸试验、高温持久拉伸试验以及金相分析对TC4钛合金电子束焊接接头的显微组织和高温性能进行了研究。

The main mechanical properties in warp and weft direction of the hollow integrated core sandwich composites are obtained by edgewise tensile, edgewise compression, flatwise tensile, flatwise compression, double lap shear, and four point bending experiments. Some properties are compared with the honeycomb sandwich composites.

对整体中空夹层复合材料经、纬向的侧拉、侧压、平拉、平压、双层剪切和4点弯曲等性能进行了实验研究，获得了该种材料的主要力学性能参数，并与类似的蜂窝夹层材料部分力学性能进行了对比。

The main mechanical properties in warp and weft direction of the hollow integrated core sandwich composites are obtained by edgewise tensile,edgewise compression,flatwise tensile,flatwise compression,double lap shear,and four point bending experiments.

对整体中空夹层复合材料经、纬向的侧拉、侧压、平拉、平压、双层剪切和4点弯曲等性能进行了实验研究，获得了该种材料的主要力学性能参数，并与类似的蜂窝夹层材料部分力学性能进行了对比。

In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1～0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.

本文采用三维有限元浮动网格法仿真计算程序，对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析，对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析，在此基础上提出了推荐的施工方案；根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案；玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果，对推荐的施工方案进行了温度场和温度徐变应力仿真计算，并对比分析了两种不同骨料情况下的温度场和温度应力，结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求，且灰岩细骨料优于玄武岩细骨料；计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响，夏季蓄水方案与冬季蓄水方案相比，坝体上游变态混凝土区域最大拉应力小0.1～0.3MPa，其他部位最大拉应力无明显变化，夏季蓄水对坝体上游面混凝土的抗裂有利；根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施，对大坝的设计温控措施进行了综合评价，并提出了该工程的温控措施，对温控设计和优化施工方案具有重要参考价值。

The microstructures and tensile properties of artificial aging and natural aging a new aluminum matrix sliding bearing alloy TZS88 were investigated by SEM,metallograph analysis,hardness and tensile tests.

通过金相显微镜、扫描电镜观察、硬度和拉伸试验研究了自然时效和人工时效状态下新型铝基合金TZS88的组织与性能。

I produced tensile properties tensile¤strong, transparent flat, rolling and firm, self-adhesive, and is assembled goods, transporting, loading and unloading mechanization ideal packaging supplies, packaging, convenient, fast, high-performance anti-puncture tear low cost, play a cargo dust, moisture, mothproof, the role of anti-collapse and packaging.

我公司生产的拉伸缠绕膜拉伸性能强，透明平整，收卷结实，自粘性强，是货物集装、储运、机械化装卸的理想包装用品，包装方便、快捷、抗穿刺撕裂性能高、成本低，起到货物的防尘、防潮、防蛀、防倒塌及包装作用。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。