A conclusion that the acoustic emission rate depends mainly on the crack propagation rate is also verified by experiments.
指出声发射率主要受裂纹扩展速率控制,此结论亦得到了实验的证实。
The acoustic emission energy signals become stronger with the increase of loading rate.
加载速率越大,声发射能量最大值也越大。
The homogeneity of certified reference material is studied by acoustic emission method for composite solid propellant burning rate.
采用声发射燃速测试方法研究了复合固体推进剂方坯燃速的均匀性。
The acoustic emission also shows a decreasing rate, following the drop in stress-intensity factor.
随着应力强度因子的下降,声发射也随着减少。
The tendency of the localization of deformation was earlier than the violent increase in the rate of acoustic emission.
变形局部化的趋势比声发射率剧增要早得多。
The peak value of acoustic emission counts rate depends on stress state; and the amount of peak value is equal to that of major crack after failure.
声发射计数率峰值与应力水平有关,峰值的次数与破坏后主裂缝的条数相对应。
The experiment is conducted in two cases, one with constant load and another with constant loading rate. Experiment results of acoustic emission monitoring of different cases are analyzed.
试验分恒定载荷和加载速率为定值两类情况进行,分析了试样在不同情况下的声发射监测试验结果。
At the time when the rock strength approached to the peak value, the increasing velocity of stress in unit time reduced and the rate of acoustic emission event decreased obviously.
岩石在接近峰值强度时单位时间内的应力增长速度减小、声发射事件率出现明显下降。
Acoustic-emission techniques have been used to determine the rate of cracking of high strength steel due to hydrogen embrittlement.
声发射技术已被用来确定高强钢因氢脆而开裂的速率。
Acoustic-emission techniques have been used to determine the rate of cracking of high strength steel due to hydrogen embrittlement.
声发射技术已被用来确定高强钢因氢脆而开裂的速率。
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