• Title/Summary/Keyword: 판재재조

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Effect of Alloying Elements on the Microstructure and Texture of the Secondary Ingots made by Al Used Beverage Cans (알루미늄 폐캔을 이용한 2차지금의 미세조직 및 집합조직에 미치는 합금원소의 영향)

  • 박차용;고흥석;강석봉
    • Resources Recycling
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    • v.9 no.2
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    • pp.46-52
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    • 2000
  • Aluminum can to can recycling was divided into two stpes. The first step was composed of the processes such as collection of used beverage cans (UBC), shredding, magnetic separation, De-laquiring, melting and casting. The second one was remelting and casting, heat treating, hot and cold rolling, annealing, and can making. In this study, the effect of alloying elements on the microstructure and texture of the secondary ingots made by Al UBC was investigated. In aluminum can to can recycling, the second phase particles appeared in the solidification stage must be controlled by heat treatment. The optimum heat treatment condition was $615^{\circ}C$ for 5hrs. the texture in hot rolled sheet was depressed with increasing Mn content, on the other hand, Si and Fe elements promoted the texture development. The textures of can-body sheet should be controlled in the hot rolling and annealing stage because can was formed from cold rolled sheet without heat treatment.

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