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现行 JB/T 7946.2-2017
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铸造铝合金金相 第2部分:铸造铝硅合金过烧 Metallograph of cast aluminium alloys-Part 2: Cast aluminium-silicon alloys burning
发布日期: 2017-01-09
实施日期: 2017-07-01
JB/T 7946 的本部分规定了铸造铝硅合金过烧(以下简称过烧)的术语和定义、试样和评级方法。 本部分适用于铸造铝硅合金国溶热处理过烧组织的评定
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