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Making aluminum sheet alloyed with scandium and zirconium and having high fracture resistance in e.g. aerospace applications, employs roller casting process and specified hot-working
Making aluminum sheet alloyed with scandium and zirconium and having high fracture resistance in e.g. aerospace applications, employs roller casting process and specified hot-working
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机译:使铝板与and和锆合金化,并具有高的抗断裂性,例如航空航天应用,采用辊铸工艺和指定的热加工
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摘要
Sheet billet is produced for rolling by thin strip-casting or roller-casting, in which the alloy melt is cast between two rollers, rapidly cooled and drawn off. The sheet billet is thermo-mechanically worked at a temperature (T1) below the precipitation sequence for a strength-increasing, coherent Al3Sc/Zr - phase, rolling it to desired thickness. This is then heat treated at a temperature (T2) within the precipitation sequence for a strength-increasing, coherent Al3Sc/Zr - phase.
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