Acoustic emission rate has been measured during proof tests of electric porcelain, the attenuation law of AE rate at constant load has been inferred from fracture mechanics of ceramics.

• 检测了验收试验时电瓷的声发射计数率；根据陶瓷断裂力学推导了恒定负荷下声发射计数的衰减规律；这一规律被实验结果很好地证实.