Mechanical alloying of Mg-based metallic glasses and nanostructured composites.

• Autorzy: Eckert J.
• Konferencja: International Conference on Fabrication and Properties of Metallic Nanomaterials, Warsaw, 17-19 June, 2004.
• Języki publikacji: EN

Abstrakty

EN

Mg55Y15Cu33-based metallic glass matrix composites are produced by mechanical alloying of elementar powder mixtures containing up to 3- vol. % of Y2O3 particles. Comparison with the particle-free metallic glass reveals that the nanosized second phase oxide particles do not significantly affect the glass-forming ability upon mechanical alloying despite some limited particle dissolution. A supercooled liquid region with an extension of about 50 K can be maintained in the processes of the oxides. The distinct viscosity decrease in the supercooled liquid regime allows for consolidation of powders into bulk samples by uniaxial hot pressing. The Y2O3 additions increase the mechanical strength of the composites compared to the Mg55Y15Cu33 metallic glass.

Słowa kluczowe

EN

metallic glass; nanostructured composite; mechanical alloying

PL

szkło metaliczne; kompozyt nanostrukturalny; stopowanie mechaniczne

• Wydawca: Komitet Nauki o Materiałach PAN
• Czasopismo: Archives of Materials Science
• Rocznik: 2004
• Tom: Vol. 25, nr 4
• Strony: 321--331

Twórcy

autor

Eckert J.

• Technische Universität Darmstadt, FB 11 Material- und Gewissenschaften, PG Physikalische Metallkunde, Petersenstr. 23, D-64287 Darmstadt, Germany

• Technische Universität Darmstadt, FB 11 Material- und Gewissenschaften, PG Physikalische Metallkunde, Petersenstr. 23, D-64287 Darmstadt, Germany

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