ASTM A937 / A937M利用相邻两个测试表面测定绝缘覆层层间电阻标准试验方法
日期:2012-02-08 09:08
mended. Several readings are suggested because the coating thickness may vary across the surface of a given electrical steel lamination. Additionally, the coating thickness may vary across several laminations taken from the same lot of electrical steel. Such variations in coating thickness are likely to yield variations in the measured interlaminar resistance. The required number of readings depends on the nature of the coating and the accuracy required.
1. Scope
1.1 This test method covers a m
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09/02 01:57