| 常速度拉伸实验惯性效应的实验研究 |
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| 引用本文： | 王显耀,李峰会,廉茂松,蔡中民.常速度拉伸实验惯性效应的实验研究[J].实验力学,1995,10(3). |
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| 作者姓名： | 王显耀 李峰会 廉茂松 蔡中民 |
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| 作者单位： | 太原工业大学，山西医用电子仪器厂，江苏雎宁质检站 |
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| 摘 要： | 本文统计了１５０根Ａ３低碳钢比例拉伸试件的断口位置，并测定了常速度拉伸（４００ｍｍ／ｍｉｎ，０．５ｍｍ／ｍｉｎ）时应变随时间和沿杆长的分布以及应力应变关系；发现７２％试件的断口靠近不动端内。同一时刻在设定速度为４００ｍｍ／ｍｉｎ时杆中最大工程应变差１８％．
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| 关 键 词： | 常速度拉伸，惯性效应，低碳钢 |
The Inertia Effect of Tensile Test Under Constant Velocity |
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| Wang Xianyao.The Inertia Effect of Tensile Test Under Constant Velocity[J].Journal of Experimental Mechanics,1995,10(3). |
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| Authors: | Wang Xianyao |
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| Abstract: | The statistics of broken place of 150 scaled tensile specimens made of A3lowcarbon steel is prasented in this paper. In these tensile tests, the changes of strain at any time as well as the stress-strain relations under constant velocity (400mm/min, 0.5mm/min) have been determined. It is found that the broken places of 72% of the specimens are located near Lo/3 from the fixed end. In the meantime, it is also found that, under given velocity 400mm/min,the maxmium of engineering strain difference is 18%. |
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| Keywords: | constant velocity tensile test inertial effect low-carbon steel |
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