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利用自行开发的Gasar装置,成功制备了具有规则气孔分布的藕状多孔金属Mg,并研究了铸型预热温度和气体压力等工艺参数对气孔率、气孔大小和分布的影响.结果表明:提高铸型的预热温度可以完全消除铸锭侧向的无气孔金属壳;随着氢气压力的增大,铸锭的气孔率和气孔平均直径都在减小、气孔的尺寸分布均匀性提高.

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