マグネシウムと低融点金属酸化物とのメカニカルアロイングと固相反応

DOI Web Site 被引用文献13件 参考文献8件

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タイトル別名
  • Solid State Reaction in Mechanically Alloyed Magnesium with Addition of Low-Melting-Metal Oxides.
  • マグネシウム ト テイユウテン キンゾク サンカブツ ト ノ メカニカルアロイング ト コソウ ハンノウ

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抄録

Pure magnesium powders were mechanically alloyed with addition powders of low-melting-metal oxides (SnO2, PbO and Sb2O3) by using a planetary ball mill under an Ar atmosphere. After mechanical alloying, the powders were consolidated to the P/M materials by vacuum hot pressing. Solid state reaction in the mechanically alloyed powders and the P/M materials was studied by XRD and DSC. In these systems, the solid state reaction started to occur during MA processing between Mg and low-melting-metal oxides. The added low-melting metal oxides decomposed and formation of MgO and intermetallic compounds (Mg2Sn, Mg2Pb, Mg3Sb2) occurred. Such solid state reaction further progressed during hot-pressing and subsequent heat treatment. Microstructures were studied by TEM and mechanical strength was discussed by hardness values for both MA powders and P/M materials.

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