论文部分内容阅读
采用超声波声速检测（USV）来预测金属型灰铸铁件的石墨形态和抗拉强度，是一种很有效的无损检测方法。
Using ultrasonic velocity detection (USV) to predict the graphite morphology and tensile strength of metallic gray cast iron is a very effective nondestructive testing method.