Proceedings of the Korean Society for Technology of Plasticity Conference (한국소성가공학회:학술대회논문집)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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Magnetic Pulsed Compaction of nanostructured Al-Fe-Cr-Ti Powder and wear properties

Al-Fe-Cr-Ti 나노결정 합금분말의 자기펄스 성형 및 마모 특성

  • Kim, Jun-Ho (Kongju National University, Division of Advanced Materials Engineering) ;
  • Hong, Soon-Jik (Kongju National University, Division of Advanced Materials Engineering)
  • Published : 2008.05.08
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Abstract

The effect of consolidation temperature on the microstructure, density and mechanical properties (especially, wear property) of $Al_{92.5}-Fe_{2.5}-Cr_{2.5}-Ti_{2.5}$ alloy fabricated by gas atomization and magnetic pulsed compaction was investigated. All consolidated alloys consisted of homogeneously distributed fine-grained fcc-Al matrix and intermetallic compounds. Relative higher mechanical properties in the MPCed specimen were attributed to the retention of the nanostructure in consolidated bulk without cracks. The as consolidated bulk by magnetic pulsed compaction showed the enhanced wear properties than that of a general consolidation process. In addition, the wear mechanism and fracture mode of MPCed bulk was discussed.

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