镁基多孔材料的研究现状与展望

Research Actualities and Prospect of Magnesium-based Porous Materials

介绍了镁基多孔材料的主要制备方法,包括熔模铸造法、触融压铸法、固/气共晶凝固法、真空发泡法、粉末冶金法、熔体直接发泡法、渗流铸造法。分析了现有研究的主要特点,并着重对熔体直接发泡法制备镁基多孔材料的工艺进行了讨论,给出了该种方法的原则工艺流程。

The primary methods for fabricating magnesium-based porous materials are introduced, including investment pattern casting, thixomoulding casting, solid-gas eutectic solidification, vacuum foaming technique, powder compact melting technique, direct foaming in melt and infiltration casting, and the major characteristics of the present researches are also analyzed. The technological process of direct foaming in melt is discussed in detail and its process flow diagram is provided.