镁合金具有密度低、强度高、重量轻等特点,是航空和机械工程工业中最先进的结构材料之一,但它们能在 500°C 以上的温度下自燃,并且能持续燃烧,即使在轻微紧急情况下也可能导致灾难性的后果。本文旨在研究可以增强镁合金阻燃性的成分。对商用铸造合金 ML10、LPSO 结构合金、含稀土金属的先进铸造合金以及这些合金中添加不同添加剂(可提高阻燃性的药剂)的变体的燃点进行了比较。已确定,同时含有 LPSO 相和 Yb 或 Ca 添加剂(可将燃点提高到 1000°C 甚至更高的添加剂)的合金可提供最大的阻燃性。
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