镁合金在熔炼及加工过程中必需采取一定的防止熔体氧化燃烧措施.详细介绍了镁合金熔体气体保护的防燃机理和优缺点,替代或减少SF6气体、减少环境污粢、提高气体保护的防燃效果是目前的研究重点,含氟有机化合物有望成为未来镁合金熔体的高效无污染保护气体.
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