Novel material for retraction ring of traction motor of high-speed train and preparation method of novel material
A technology for traction motors and high-speed trains is applied in the field of motor rotor material manufacturing, which can solve the problems of high strength, high elongation and high temperature resistance, and achieve the effects of high strength, high room temperature tensile strength, and high high temperature strength.
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[0029] Example 1
[0030] A new material for the shrink ring of a high-speed train traction motor and a preparation method thereof, the composition and weight percentage of the material are:
[0031] Ni: 13.0%; Al: 1.8%; Mn: 0.5%; Fe: 0.8%; Cu: balance.
[0032] The method for preparing a shrink ring of a high-speed train traction motor includes the following steps:
[0033] (1) Ingredients: Weigh the corresponding raw materials according to the stated ratio. Cu is added by electrolytic copper plate, Ni is added by electrolytic nickel plate, Al is added by pure aluminum block, Fe is added by industrial pure iron, and Mn is added by manganese. Join in blocks;
[0034] (2) Melting: Melting in a vacuum intermediate frequency induction furnace, all raw materials are added together during smelting, the smelting process ensures that the vacuum is below 4Pa, and the surface of the melt is protected with a covering agent;
[0035] (3) Pouring: After all alloy elements are melted, pouring to obt...
Example Embodiment
[0039] Example 2
[0040] A new material for the shrink ring of a high-speed train traction motor and a preparation method thereof, the composition and weight percentage of the material are:
[0041] Ni: 14.5%; Al: 2.3%; Mn: 1.0%; Fe: 1.3%; Cu: balance.
[0042] The method for preparing a shrink ring of a high-speed train traction motor includes the following steps:
[0043] (1) Ingredients: Weigh the corresponding raw materials according to the stated ratio. Cu is added by electrolytic copper plate, Ni is added by electrolytic nickel plate, Al is added by pure aluminum block, Fe is added by industrial pure iron, and Mn is added by manganese. Join in blocks;
[0044] (2) Melting: Melting in a vacuum intermediate frequency induction furnace, all raw materials are added together during smelting, the smelting process ensures that the vacuum is below 4Pa, and the surface of the melt is protected with a covering agent;
[0045] (3) Pouring: After all alloy elements are melted, pouring to obt...
Example Embodiment
[0049] Example 3
[0050] A new material for the shrink ring of a high-speed train traction motor and a preparation method thereof, the composition and weight percentage of the material are:
[0051] Ni: 16.0%; Al: 2.8%; Mn: 1.5%; Fe: 1.8%; Cu: balance.
[0052] The method for preparing a shrink ring of a high-speed train traction motor includes the following steps:
[0053] (1) Ingredients: Weigh the corresponding raw materials according to the stated ratio. Cu is added by electrolytic copper plate, Ni is added by electrolytic nickel plate, Al is added by pure aluminum block, Fe is added by industrial pure iron, and Mn is added by manganese. Join in blocks;
[0054] (2) Melting: use a vacuum intermediate frequency induction electric furnace to melt, all raw materials are added together during smelting, the smelting process ensures that the vacuum is less than 5Pa, and the surface of the melt is protected with a covering agent;
[0055] (3) Pouring: After all alloy elements are melted, ...
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