Whether the precursor is obvious is correlated to rock the character, and the precursor of AE rate is more apparent than the precursor of AE energy rate comparatively.
3
模态声发射由于无需扫查工件而利用裂纹生长产生的能量来实现检测,从而显示了极大的优越性。
Modal acoustic emission (MAE) that USES the energy produced by the growing crack for detection without scanning has shown its conspicuous advantage.