On the melting of Mg-Al-Zn cast alloys (2nd Report)
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概要
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Grain refining effect on AZ 63 alloy of the various carbonaceous additives including lamp black, CaC2, C2Cl6, C6Cl6 and vinylidene chloride was studied here. The metal was melted and treated with the above compounds under different temperatures and stilled for severol times, and then cast into shell molds for the test. From the test, it was found out that grain refining effects by each additive has different characteristics.Grain refining effect of AZ63 alloy treated with C2 Cl6 was lost by remelting.AZ63 alloys containing different amount of Be were treated with several ways, including fluxing, chlorination, super-heating, C2Cl6 addition, CaC2 addition and then cast into green sand mold for making tension specimen with which tension and grain size were examined under T4 condition.Through the examination, the following formula was obtained: σB(kg/mm2)=3.6N(grains/mm21/4)+16.2
- 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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