한국표면공학회:학술대회논문집 (Proceedings of the Korean Institute of Surface Engineering Conference)

한국표면공학회 (The Korean Institute of Surface Engineering)
권호 표지

쇼트피닝을 이용한 표면합금화 및 그에 따른 표면경화 메커니즘에 관한 연구

  • 조균택 (한국생산기술연구원 열표면기술센터) ;
  • 김경황 (한국생산기술연구원 열표면기술센터) ;
  • 종윤석 (한국생산기술연구원 열표면기술센터) ;
  • 이영국 (연세대학교 신소재공학과) ;
  • 이원범 (한국생산기술연구원 열표면기술센터)
  • 발행 : 2011.05.19
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초록

Surface hardening mechanism of AA 2024 was investigated when shot peeningprocess with shot ball of Zn alloy was applied. Zn alloy was transferred into surface region of AA 2024, forming lamellar structure of Al and Zn phase. Nanocrystallization of AA 2024 and alloyed Zn phase was achieved by the different mechanisms. Furthermore, precipitations in AA 2024 remained undissolved. Lamellar structure with different nano-sized grains of two different phase and randomly distributed precipitations contributed to the surface hardening.

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