Ni-Al-V BASED ALLOY MATERIAL, Ni-Al-X ALLOY PRODUCT AND METHOD FOR MANUFACTURING THE PRODUCT
To provide a Ni-Al based alloy β phase article having a controlled fine structure and an alloy material for obtaining the article.SOLUTION: A Ni-Al-X alloy material according to the present invention includes Al in an amount of 20 to 30 atom %, X of 10 to 35 atom %, and O of 100 to 300 mass ppm, and...
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Main Authors | , , |
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Format | Patent |
Language | English Japanese |
Published |
13.12.2023
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Subjects | |
Online Access | Get full text |
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Summary: | To provide a Ni-Al based alloy β phase article having a controlled fine structure and an alloy material for obtaining the article.SOLUTION: A Ni-Al-X alloy material according to the present invention includes Al in an amount of 20 to 30 atom %, X of 10 to 35 atom %, and O of 100 to 300 mass ppm, and the balance of Ni and unavoidable impurities, wherein X is Fe, Co, Cr, or Ti, and segregation cells each having an average size of 0.3 μm or more and 5 μm or less are formed in the β phase crystal grains having a B2 structure, and in a boundary region of the segregation cells, a part of the constituent components of the Ni-Al-X alloy is segregated.SELECTED DRAWING: Figure 2
【課題】微細組織が制御されたNi-Al系合金β相物品および該物品を得るための合金材料を提供する。【解決手段】本発明に係るNi-Al-X系合金材料は、20原子%以上30原子%以下のAlと、10原子%以上35原子%以下のXと、100質量ppm以上300質量ppm以下のOと、Niおよび不可避不純物の残部とからなる合金組成を有し、前記XはFe、Co、CrまたはTiであり、B2構造を有するβ相の結晶粒の中に、平均サイズが0.3μm以上5μm以下の偏析セルが形成しており、該偏析セルの境界領域には前記Ni-Al-X系合金の構成成分の一部が偏析している、ことを特徴とする。【選択図】図2 |
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Bibliography: | Application Number: JP20220088948 |