共晶状黒鉛の生成条件とその生成機構
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概要
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Tests were made to examine the required conditions and hypothetical mechanism of eutectic formation which had been proposed by other investigators, on commercial and highly pure synthetic irons and a new mechanism of formation was proposed. It was found that conditions, such as hypoeutetic composition of alloys, high cooling rate, titanium-treatment and melting and freezing in vacuum, are not necessary nor sufficient for eutectic graphite formation, and that various hypothetical mechanisms of formation can not explain the experimental results satisfactorily. Therefore, a new mechanism is proposed : eutectic graphite may be formed as a result of the γ-phase strongly obstructing the graphite growth during solidification which makes graphite fine and multiplys branch.
- 日本鋳造工学会の論文
日本鋳造工学会 | 論文
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