Mo-Ni-RE high-strength heat resistant aluminum alloy material modified with C and preparation method thereof
An aluminum alloy material, mo-ni-re technology, which is applied in the field of aluminum alloy material and its preparation, can solve the problems of low high temperature strength, extensive melt treatment process, and reduction of alloy quasi-solid phase temperature range.
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Embodiment 1
[0115] Example 1: Cu-1.0%, characteristic microalloying elements-Mo, Ni, basic microalloying rare earth elements-lanthanum La, high-efficiency modification elements-C
[0116] (1) Weigh the various alloying elements required according to the ingredient calculation table, as follows.
[0117]
[0118] (2) Add an appropriate amount of aluminum ingots to the melting furnace, heat it to melt it completely and keep it warm at 700-800°C; in order to prevent the melt from inhaling too much air, the melting process should be as short as possible in a closed environment Finish.
[0119] (3) Add Al-Mn, Al-Ti, Al-Mo, Al-Ni, Al-Zr master alloy or mixed metal additives (including salt compounds) according to the formula ratio, and then add Cu pure metal and Al-Cd master alloy or mixed metal additives, then add C and rare earth element La, and stir evenly.
[0120] Mixed metal additives refer to cake-shaped or massive non-sintered powder metallurgy products for adding and adjusting all...
Embodiment 2
[0126] Example 2: Cu-4.2%, characteristic microalloying elements-Mo, Ni, basic microalloying rare earth elements La, Ce mixed rare earth, high-efficiency modification element-C
[0127] (1) Weigh the various alloying elements required according to the ingredient calculation table, as follows.
[0128]
[0129] (2) Add an appropriate amount of aluminum ingots to the melting furnace, heat it to melt it completely and keep it warm at 700-800°C; in order to prevent the melt from inhaling too much air, the melting process should be as short as possible in a closed environment Finish.
[0130] (3) Add Al-Mn, Al-Ti, Al-Mo, Al-Ni, Al-Zr master alloy or mixed metal additives (including salt compounds) according to the formula ratio, and then add Cu pure metal and Al-Cd master alloy or mixed metal additives, then add C and rare earth elements La, Ce mixed rare earth, and stir evenly.
[0131] Mixed metal additives refer to cake-shaped or massive non-sintered powder metallurgy produ...
Embodiment 3
[0137] Example 3: Cu-5.1%, characteristic microalloying elements-Mo, Ni, basic microalloying rare earth element Eu, high-efficiency modification element-C
[0138] (1) Weigh the various alloying elements required according to the following ingredient calculation table, as follows.
[0139]
[0140] (2) Add an appropriate amount of aluminum ingots to the melting furnace, heat it to melt it completely and keep it warm at 700-800°C; in order to prevent the melt from inhaling too much air, the melting process should be as short as possible in a closed environment Finish.
[0141] (3) Add Al-Mn, Al-Ti, Al-Mo, Al-Ni, Al-Zr master alloy or mixed metal additives (including salt compounds) according to the formula ratio, and then add Cu pure metal and Al-Cd master alloy or mixed metal additives, then add C and rare earth element Eu, and stir evenly.
[0142] Mixed metal additives refer to cake-shaped or massive non-sintered powder metallurgy products for adding and adjusting alloy...
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