Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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The Effect of Heat Treatment on the Tensile Properties of TiNi/6061Al Composites

TiNi/6061Al 복합재료의 인장특성에 미치는 열처리의 영향

  • Park, Sung-Ki (Center for Advanced Net Shape Manufacturing and Clean Process) ;
  • Shin, Soon-Gi (Center for Advanced Net Shape Manufacturing and Clean Process) ;
  • Lee, Jun-Hee (Center for Advanced Net Shape Manufacturing and Clean Process)
  • 박성기 (동아대학교 신소형재 가공청정 공정개발 연구센터) ;
  • 신순기 (동아대학교 신소형재 가공청정 공정개발 연구센터) ;
  • 이준희 (동아대학교 신소형재 가공청정 공정개발 연구센터)
  • Published : 2003.01.01
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Abstract

The 1.6 vol% and 2.5 vol% TiNi/6061Al composites were fabricated by permanent mold casting for investigating the effect of heat treatment on tensile strength for composites. The tensile strength without T6 treatment at 293 K was increased with increasing the volume fraction of TiNi fiber and at 363 K the higher the pre-strain, the higher the tensile strength. The tensile strength of the composite with $T_{6}$ treatment at 293 K was found to increase with increasing both the amount of pre-strain and the volume fraction of TiNi fiber and was higher than that without $T_{6}$ treatment. It should be noted that the tensile strength 2.5vol%TiNi/6061Al composites rolled at a 38% reduction ratio was the maximum value of 298 MPa. The tensile strength of composites decreased with increasing the reduction ratio over 38% because of the rupture of TiNi fiber.

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