Electronic Materials Letters

The Korean Institute of Metals and Materials (대한금속재료학회)
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Pulsed Current Activated Combustion Synthesis and Consolidation of Nanostructured $ReSi_{1.75}$

Shon, In-Jin;Kim, Su-Chul;Lee, Byung-Soo;Kim, Byung-Ryang

  • Published : 20090300
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Abstract

Dense nanostructured $ReSi_{1.75}$ was synthesized by the pulsed current activated combustion synthesis (PCACS) method within 2 min in one step from mechanically activated powders of Re and 1.75 Si. Simultaneous combustion synthesis and densification were accomplished under the combined effects of a pulsed current and mechanical pressure. Highly dense $ReSi_{1.75}$ was produced under simultaneous application of 80 MPa of pressure and a pulsed current. The average grain size and mechanical properties (hardness and fracture toughness) of the compound were investigated.

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