Effect of Aging Treatment on the Microstructures and Mechanical Properties of 7050 Al Alloy

7050 Al합금의 미세조직 및 기계적성질에 미치는 시효처리의 영향

  • Kim, Jong-Gi (Dept.of Metallurgical Engineering, Busan National University) ;
  • Choe, Jung-Hwan (Dept.of Metallurgical Engineering, Busan National University) ;
  • Kim, In-Bae ;
  • Kim, Jong-Gi (Dept.of Metallurgical Engineering, Busan National University) ;
  • Lee, Sang-Rae (Dept.of Metallurgical Engineering, Busan National University)
  • Published : 1997.09.01

Abstract

7050AI합금의 미세조직 및 기계적성질에 미치는 2단시효처리의 영향을 투과전자현미경, 열분석, 경도시험 및 인장 시험을 통하여 조사하였다. 12$0^{\circ}C$에서 6시간 1차 시효처리한 후 1$65^{\circ}C$와 175$^{\circ}C$에서 2차 시효처리하였을때 1$65^{\circ}C$에서는 6시간 시효시 최대경도값 201.3Hv를 나타내었고, 175$^{\circ}C$에서는 3시간 시효처리하였을때 최대경도값 197Hv를 나타내었다.

Keywords

References

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