Abrasion-resisting and high-temperature-resisting power box housing and preparation method thereof
A power box, high temperature resistant technology, applied in electrical components, substation/switch layout details, coatings, etc., can solve problems such as short service life, achieve the effect of improving service life, strong bonding strength, and avoiding intergranular corrosion
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Embodiment 1
[0020] A kind of wear-resisting and high-temperature-resistant power supply box casing proposed by the present invention comprises the metal substrate and the ceramic coating of the power box casing, and the raw materials of the power box casing metal substrate include the following components according to the mass fraction: C: 0.6%, Al: 0.2%, B: 0.1%, Si: 2%, Mn: 1.2%, Cr: 14.5%, Ni: 0.45%, Cu: 0.6%, Ti: 0.3%, Zr: 0.08%, Nb: 0.2%, Mo: 0.5%, Sc: 0.08%, Nd: 0.1%, Y: 0.2%, La: 0.1%, and the rest is Fe and unavoidable impurities.
[0021] The invention also proposes a method for preparing a wear-resistant and high-temperature-resistant power supply box shell, comprising the following steps:
[0022] S1. Put the raw materials of the metal matrix of the power box shell into the medium-frequency induction melting furnace according to the melting point from low to high for melting to obtain molten steel, which is cast and formed to obtain a green body;
[0023] S2, quenching the gre...
Embodiment 2
[0027] A kind of wear-resisting and high-temperature-resistant power supply box shell proposed by the present invention comprises the metal matrix of the power box shell and ceramic coating. B: 0.2%, Si: 1.5%, Mn: 1.5%, Cr: 10%, Ni: 0.6%, Cu: 0.3%, Ti: 0.5%, Zr: 0.04%, Nb: 0.1%, Mo: 0.8%, Sc: 0.04%, Nd: 0.2%, Y: 0.1%, La: 0.1%, and the rest is Fe and unavoidable impurities.
[0028] Wherein, the particle size of the ceramic powder used for the ceramic coating is 160 mesh;
[0029] The raw materials of ceramic powder include by weight: 25 parts of BC, 30 parts of SiC, 20 parts of Cr 3 C 2 , 10 copies of B 2 o 3 , 30 parts of ZrO 2 , 15 copies of BN.
[0030] The invention also proposes a method for preparing a wear-resistant and high-temperature-resistant power supply box shell, comprising the following steps:
[0031]S1. Put the raw materials of the metal matrix of the power box shell into the medium-frequency induction melting furnace according to the melting point fro...
Embodiment 3
[0036] A kind of wear-resisting and high-temperature-resistant power supply box casing proposed by the present invention comprises the metal matrix of the power box casing and the ceramic coating, and the raw materials of the metal matrix of the power box casing include the following components according to the mass fraction: C: 0.7%, Al: 0.15%, B: 0.15%, Si: 1.8%, Mn: 1.4%, Cr: 12.5%, Ni: 0.52%, Cu: 0.45%, Ti: 0.4%, Zr: 0.06%, Nb: 0.15%, Mo: 0.65%, Sc: 0.06%, Nd: 0.15%, Y: 0.15%, La: 0.08%, and the rest is Fe and unavoidable impurities.
[0037] Wherein, the particle size of the ceramic powder used for the ceramic coating is 200 mesh;
[0038] The raw materials of ceramic powder include by weight: 35 parts of BC, 15 parts of SiC, 20 parts of Cr 3 C 2 , 10 copies of B 2 o 3 , 30 parts of ZrO 2 , 15 copies of BN.
[0039] The invention also proposes a method for preparing a wear-resistant and high-temperature-resistant power supply box shell, comprising the following step...
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