MANUFACTURING METHOD OF Al-Zn-Mg-BASED ALLOY CASTING MATERIAL

To provide a manufacturing method of an Al-Zn-Mg-based alloy casting material capable of suitably adjusting added amount of Ti.SOLUTION: There is provided a manufacturing method of an Al-Zn-Mg-based alloy casting material for manufacturing an Al alloy casting material W2 by solidifying an Al-Zn-Mg-b...

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Bibliographische Detailangaben
Hauptverfasser:	YOKOI KEIICHI, SUZUYAMA TAKESHI, MARUYAMA TAKUMI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	To provide a manufacturing method of an Al-Zn-Mg-based alloy casting material capable of suitably adjusting added amount of Ti.SOLUTION: There is provided a manufacturing method of an Al-Zn-Mg-based alloy casting material for manufacturing an Al alloy casting material W2 by solidifying an Al-Zn-Mg-based alloy molten metal W1 supplied to a casting machine 6 via a molten metal channel 4 by the casting machine 6. The manufacturing method includes a primary Ti addition process for adding Ti to the Al-Zn-Mg-based alloy molten metal W1 before distribution in the molten metal channel 4 in advance, and a secondary Ti addition process for adding Ti to the Al-Zn-Mg-based alloy molten metal distributed through the molten metal channel 4 by a feeder 5.SELECTED DRAWING: Figure 1 【課題】Ｔｉの添加量を適切に調整することができるＡｌ−Ｚｎ−Ｍｇ系合金鋳造材の製造方法を提供する。【解決手段】本発明は、溶湯流路４を介して鋳造機６に供給されたＡｌ−Ｚｎ−Ｍｇ系合金溶湯Ｗ１を鋳造機６によって凝固して、Ａｌ合金鋳造材Ｗ２を製造するようにしたＡｌ−Ｚｎ−Ｍｇ系合金鋳造材の製造方法を対象とする。本発明の製造方法は、溶湯流路４を流通する前のＡｌ−Ｚｎ−Ｍｇ系合金溶湯Ｗ１に、予めＴｉを添加する一次Ｔｉ添加工程と、溶湯流路４を流通するＡｌ−Ｚｎ−Ｍｇ系合金溶湯に、フィーダー５によりＴｉを添加する二次Ｔｉ添加工程とを含む。【選択図】図１