in this paper, the relation between grinding burn and barkhausen noise are studied through barkhausen noise analysis method, and comparisons with pickling and metallographical method are made as well.
利用巴氏杂讯分析法研究了磨削烧伤与巴氏杂讯的关系,并用酸洗和金相法与其进行了对比。
the subsurface oxide layers generated during decarburizing annealing of high grade non-oriented silicon steel sheet were studied by metallographical method and magnetoacoustic emission method(mae).