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[SJ 1280-1977] 金属镀层孔隙率的检验方法[废止]
发布时间：1978-03-01
实施时间：1978-03-01
本标准所列的三个方法（贴滤纸法、溶液浇浸法和涂膏法）适用于检验钢、铜及铜合金、铝及铝合金上的阴极性镀..
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[SJ 1281-1977] 金属镀层和化学处理层厚度的检验方法[废止]
发布时间：1978-03-01
实施时间：1978-03-01
本标准共分为两大类九种检验方法。第一大类是非破坏性检验方法，包括磁性法、涡流法和增重法，第二大类是破..
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[SJ 1282-1977] 金属镀层结合力的检验方法[废止]
发布时间：1978-03-01
实施时间：1978-03-01
本方法适用与定性检验金属镀层于基体金属或基体塑料之间结合力。具体方法视零件基本材料、形状、用途及镀种..
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[SJ 1285-1977] 铝和铝合金氧化处理层电气绝缘性能的测试方法[废止]
发布时间：1978-03-01
实施时间：1978-03-01
本方法适用于铝烷合金化学氧化层与电化学氧化层电气绝缘体呢个的测试方法
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- GB/T 6996.4-1986
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