摘要
超生波已被用于探测焙烧后阴极炭块的内部裂纹,根据传感器和探测器在不同位置测到的声速变化可预测纵向裂纹,切开后发现了实际裂纹,而声速变化低于阈值时,未发现裂纹。动态与静态扬氏模量之间存在着线性关系。用超声波同样可确定捣实糊的密实度。
Ultrasound has been used for detection of internal cracks in baked cathode blocks. Longitudinal cracks were predicted based on the change in sound velocity for different positions of the transmitter and detector. The actual cracks were later found by cutting while no cracks were found in blocks when the difference in sound velocity was below a threshold value.A linear relationship was found between the dynamic and static Young's modulus. Ultrasound measurements were also used for determination of the degree of compaction of ramming paste.
出处
《炭素技术》
CAS
CSCD
1992年第2期39-42,共4页
Carbon Techniques
