Effects of Si, Fe and Sn on the recrystallization of Al-Zr alloys
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The effects of Si, Fe and Sn on recrystallization of Al-Zr alloys were studied and the following results were obtained.(1) The recrystallization temperature of Al-Zr alloys was higher with smaller degrees of cold reduction. In addition, pre-heat treatment at 350°C for Al-Zr alloy containing only 0.03% of Si was needed for a longer period than that containing less than 0.02% of Si in order to raise the recrystallization temperature.(2) The recrystallization temperature of Al-Zr alloys was not lowered by the addition of Fe as far as a small sized permanent mold was used as in the present experiments for casting.(3) The recrystallization temperature of Al-Zr alloy containing single Si was not so much raised by pre-heat treatment. However, that of the alloy containing both of Si and Fe was distinctly raised.(4) The period of pre-heat treatment for retarding the recrystallization of Al-Zr alloys was much reduced by the addition of Sn.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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