Preparation of Foamed Magnesium by Direct Molten Foaming Process

Zhou Quan; Chen Leping

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Preparation of Foamed Magnesium by Direct Molten Foaming Process
Vol. 29, Issue 3, Pages: 224-226(2009)
Published： 2009 ，
DOI：

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[1]周全,陈乐平.熔体发泡法制备泡沫镁材料的研究[J].特种铸造及有色合金,2009,29(03):224-226+191.

Zhou Quan, Chen Leping. Preparation of Foamed Magnesium by Direct Molten Foaming Process. [J]. Special Casting & Nonferrous Alloys 29(3):224-226(2009)
[1]周全,陈乐平.熔体发泡法制备泡沫镁材料的研究[J].特种铸造及有色合金,2009,29(03):224-226+191. DOI：

Zhou Quan, Chen Leping. Preparation of Foamed Magnesium by Direct Molten Foaming Process. [J]. Special Casting & Nonferrous Alloys 29(3):224-226(2009) DOI：

摘要

选用ZM5镁合金为主体原料、SiC为增粘剂、MgCO3为发泡剂

对用熔体直接发泡法制备泡沫镁材料进行了研究。结果表明

采用SiC为增粘剂、MgCO3为发泡剂可以制备出低密度、高孔隙率的泡沫镁材料;随着MgCO3或SiC含量的增加

泡沫镁的密度逐渐减小;但当MgCO3含量超过1.5%或SiC含量超过15%时

泡沫镁的密度有所增加;泡沫镁平均孔隙率的变化规律与密度的变化规律相反。

Abstract

Foamed magnesium was prepared with ZM5 alloy as matrix alloy and SiC as viscosity-increasing agent as wellas MgCO3 as foaming agent by direct molten foaming process.It is found that foamed magnesium with low density and high porosity rate can be successfully prepared.With increasing in MgCO3 or SiC content

density of the foamed magnesium is decreased.However

it is slightly increased with MgCO3 content more than 1.5% or SiC content more than 15%.Variation of average porous rate in foamed magnesium is opposite to that of density’s.

关键词

泡沫镁熔体发泡MgCO3

Keywords

Foamed MagnesiumDirect Molten Foaming ProcessMgCO3

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Modification of In-situ Mg₂Si/AM60B Magnesium Matrix Composites with MgCO₃ and Sr

Effects of MgCO₃ and Gaseous CO₂ on Grain Refinement in AM60B Alloy