The relevant tensile test specimens were designed and tested; then the test results were compared and analyzed to obtain the ultimate bearing stress.
首先设计了相应的拉伸试样,进而对试验结果进行了对比分析,得到补焊焊缝的极限承载应力,为补焊管道的安全评价提供了依据。
Elastic-plastic stress fields on the crack-tips were obtained by use of the finite element analysis to the single edge notched bend(SENB) and single edge notched tension(SENT) specimens of irradiated A533B pressure vessel steel at-60 ℃,-40 ℃,-20 ℃temperatures and at various loading levels.
针对经过辐照的A533B压力容器钢,采用有限元方法对单边缺口弯曲和拉伸试样进行弹塑性数值计算。
Two measures for increasing accuracy of spectral analysis was introduced:a)improving specimen design; b)paying attention to making the checking-measuring curve.
介绍提高光谱分析精度的两项措施:(1)改进试样设计;(2)注意检量线的制作。
On the importance of undisturbed soil sample s preparation in geotechnical test;
浅谈原状土试样制备在土工试验中的重要性
The macroscopical survey and micro cosmic analysis of unqualified cold bending test samples of Q235and HP295hot -rolling plate had been stu died.
对Q235及HP295热轧板冷弯不合格试样进行了宏观观察及微观分析。
The effects of different preparation of beer samples on the determination of beer concentration were investigated in the aspects of alcohol content, real extract and original extract, and preliminary study on its contributing factors was also done in this paper.
研究了不同啤酒试样制备方法对测定啤酒中酒精度、真正浓度、原麦汁浓度所产生的影响 ,并初步探讨了影响因
The preparation technology of test sample in infrared absorption spectroscopy analysis;
现代红外光谱分析中的试样制备技术
This paper theoretically analyzes the additional stress of test sample caused by inaccurate axisymmetric stress distribution of the upper and lower grip of tension tester and the meaning of e calculation formula.
主要从理论上分析了由于试验机上下夹头不同轴给试样所带来的附加应力,以及同轴度e计算公式的 内在涵义,实际上反映了附加弯曲应力占拉应力的百分数。
Discussion of tensile property and test piece location;
钢带试样位向及拉伸性能的探讨
本文通过生产实践总结了铸铁件铸入钢管防渗碳的效果与铸入检测试样中钢管防渗碳效果之差别。
Through analysing the samples;finding the factors that effect the accuracy of the results and eliminating the disturbances that can improve the accuracy of the examination an employ its complete, rapid and accurote function that beat benefit to the production.
由于科学技术的发展,直读光谱较普遍地应用在钢铁分析中,通过研究,找出试样影响分析准确度的因素,并且消除其干扰,可以提高测试的准确性,充分发挥光谱仪快速、准确配合生产的作用。