高温合金基于二次K熵的疲劳扩展声发射特征
景婷, 梁哲铭, 于洋

Acoustic Emission Characteristics of Fatigue Propagation of Superalloy Based on Quadratic K-entropy
JING Ting, LIANG Zheming, YU Yang
表1 不同通道声发射参数的变异系数
Table 1 Coefficient of variation of acoustic emission parameters in different channels
ChannelRise timeCountEnergyAmplitudeSignal strengthAbsolute energy
Channel 12.29746.99482.27840.02372.656115.0792
Channel 22.545721.204236.68780.036433.7580460.7285
Channel 32.35255.90172.58100.02712.611727.8711