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通过制作人工试样模拟中心孔的常见缺陷,对汽轮机转子中心孔缺陷程度和涡流信号响应特征之间的关系进行了定性分析和研究,为汽轮机大轴中心孔的涡流探伤提供了一种确实可行的方法.
By making common defects of simulated artificial central hole, the relationship between the defect degree of the center hole of the turbine rotor and the response characteristic of the vortex signal is qualitatively analyzed and studied, which provides a feasible method for the eddy current inspection of the center hole of the turbine large shaft Methods.