발간논문

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Vol.37, No.2, 163 ~ 170, 1999
Title
Research Paper / Trasformations : Effects of La , Mm ( misch metal ) Additions on Thermal Stability in High Mg Content Al - Mg Alloys
박수동Su Dong Park, 강석봉Suk Bong Kang, 조현기Hyun Kee Cho
Abstract
To improve the property of Al-Mg alloy, increase of Mg concentration has been carefully studied even though serious problems associated with the precipitation of β(Al₃Mg₂), as like low thermal-stability in mechanical properties and low corrosion resistance. are generated with higher Mg concentration. In the present works, changes of β precipitate behavior, and mechanical properties by La and misch metal(Mm) addition in high Mg content Al-Mg alloy have been investigated and showed that precipitation of β phase is retarded and thermal stability of mechanical properties have improved by La, misch metal(Mm) additions.
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