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发明公开
CN102392166A 一种Mg-Gd-Y-Zn-Zr系合金大型铸锭及其制备方法 失效 - 权利终止

一种Mg-Gd-Y-Zn-Zr系合金大型铸锭及其制备方法
摘要：
一种Mg-Gd-Y-Zn-Zr系合金大型铸锭及其制备方法，它涉及一种镁合金及其制备方法。本发明要解决现有技术制备的超高强镁合金的铸锭尺寸小的问题。本发明镁合金铸锭是由Gd、Y、Zn、Zr和Mg制备而成。方法：首先按质量分数配比材料，其次采用分步熔炼的方式将配比材料全部熔炼，然后采用RJ-5溶剂进行精炼，最后浇铸得到大型铸锭。本发明的优点：一、本发明制备的镁合金铸锭的直径达到500mm，长度为2500mm～3500mm；二、对本发明制备的镁合金铸锭表面质量优良、杂质含量低、无缩孔，且成分均匀。本发明主要用于制备大型Mg-Gd-Y-Zn-Zr系合金铸锭。
摘要（英）：

Aim at the problem that an ultra-high-strength Mg alloy ingot prepared in the prior art has small size, the invention discloses an Mg-Gd-Y-Zn-Zr-series alloy large ingot and a preparation method thereof, which relate to an Mg alloy and a preparation method thereof. The Mg-Gd-Y-Zn-Zr-series alloy large ingot is prepared from Gd, Y, Zn, Zr and Mg. The preparation method comprises the following steps: firstly, proportioning materials according to a mass fraction; then, smelting all proportioned materials in a step-by-step smelting mode; refining by using an RJ-5 solvent; and finally, casting to obtain the large ingot. The Mg-Gd-Y-Zn-Zr-series alloy large ingot has the advantages that the Mg alloy ingot prepared with the preparation method has the diameter of 500mm and the length of 2500-3500mm; and the Mg alloy ingot prepared with the preparation method has excellent surface quality, low impurity content, no shrinkage cavity and uniform components. The preparation method is mainly used for preparing the large Mg-Gd-Y-Zn-Zr-series alloy ingot.

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