Metallographic atlas of electrical contact materials
全国电工合金标准化技术委员会(SAC/TC 228)
本标准给出了主要电触头材料的正常组织、常见典型缺陷以及原材料粉末颗粒形貌金相图片。
本标准适用于在电触头材料金相检验时对照参考。
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