...残余拉拔应力;捻制应力;最小破断拉力 Strucctural Elongtion of Steel wireHuang Zhong-qu(Guizhou Wire Rope[gap=308]Key words】Structural elongation;Residual drawing stress;Twist stress;Minimum broken load ..
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drawing residual stress 拉伸残余应力
Residual stress is produced inevitably in steel wire in the course of drawing, which may affect products quality as the stress is strong.
钢丝在拉拔过程中不可避免地会产生残余应力，严重时会影响产品的质量。
The surface residual stress of tube and bar after drawing straightening and annealing, under different processing conditions, were measured by means of resistance strain gauge.
用电阻应变片法测试了管棒材拉拔、矫直和退火过程中产品表面残余应力，研究了管棒材残余应力随工艺参数变化的规律。
The magnitude and symbol of the residual stress greatly depends on the initial deformation rate of the pipe under drawing with the working tools.
残余应力的符号和大小在很大程度上取决于钢管在拔制工具中的初始变形率。
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