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气孔缺陷是金属型铸造铜合金的主要缺陷之一。它给金属型铸造铜合金的应用带来了一定的困难,特别是对于锡青铜,这种缺陷更为严重。按气孔缺陷产生的原因及特征可分为两
Stomatal defects are one of the major drawbacks of metallic cast copper alloys. It brings certain difficulties to the application of metal casting copper alloy, especially for tin bronze, the defect is more serious. According to the causes and characteristics of stomatal defects can be divided into two