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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The Effect of Alloying Elements on the Tensile Property of Al-Mg-Si Alloy

Al-Mg-Si계 합금의 인장 특성에 미치는 합금 원소의 영향

  • 박정호 (한국기계연구원 공정연구부) ;
  • 권용남 (한국기계연구원 공정연구부) ;
  • 이영선 (한국기계연구원 공정연구부) ;
  • 강신우 ((주)CTR 선행기술연구팀) ;
  • 이병근 (성훈ENG(주) 기술연구소) ;
  • 이정환 (한국기계연구원 공정연구부)
  • Published : 2004.10.01
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Abstract

As an automotive industry's demand for lighter materials gets bigger and bigger, a lot of new strength Al alloys have been developed recently. In the present study, Al 6xxx series alloys were designed to get the strength level of 350MPa with the elongation of $12\%$. For that purpose, three alloy systems were selected based on the thermodynamics calculation. The effect of both $Mg_{2}Si$ precipitate and excess Si amount on the newly designed alloys was investigated. Also, heat treatment procedure was studied to optimize the mechanical properties.

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