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TiAl ALLOY MATERIAL, METHOD OF MANUFACTURING THE SAME, AND METHOD OF HOT FORGING TiAl ALLOY MATERIAL
TiAl ALLOY MATERIAL, METHOD OF MANUFACTURING THE SAME, AND METHOD OF HOT FORGING TiAl ALLOY MATERIAL
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机译:TiAl合金材料,制造方法相同,以及热锻Tial合金材料的方法
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摘要
A TiAl alloy material for hot forging includes a TiAl alloy substrate formed of a TiAl alloy which contains 42 at % or more and 45 at % or less of Al, 3 at % or more and 6 at % or less of Nb, 3 at % or more and 6 at % or less of V, 0.1 at % or more and 0.3 at % or less of B, and the balance being Ti and inevitable impurities, an intermediate layer formed on a surface of the TiAl alloy substrate, and a titanium layer formed on a surface of the intermediate layer, wherein the intermediate layer is formed of a first layer which is formed on a side of the TiAl alloy substrate and is formed of the TiAl alloy which becomes β-TiAl at a hot forging temperature range between 1200° C. or higher and 1350° C. or lower and a second layer that is formed on a side of the titanium layer and is formed of a β-Ti material.
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