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

图12 通道1和通道3二次K熵的最高点与声发射参数突跃点位置的对比

Fig.12 Highest point of quadratic K-entropy vs. the jump point of acoustic emission signal in channel 1 (a) and channel 3 (b)