Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Aluminum silicon carbide material and preparation method thereof
The invention discloses an aluminum silicon carbide material and a preparation method thereof, and the method comprises the following steps: mixing primary particles, secondary particles, silicon fine powder, borosilicate fine powder and paraffin to obtain a material W1; granulating the material W1 to obtain a material W2; performing cold press molding and high-temperature sintering on the material W2 to obtain a ceramic preform D1; molten metal obtained after aluminum alloy hardening and tempering is infiltrated into the ceramic prefabricated body D1 through vacuum pressure, and a casting D2 is obtained; and the casting D2 is placed in a vacuum heat treatment furnace, heated and subjected to heat preservation in a vacuum state and then placed in a constant-temperature water tank to be evenly cooled, and the aluminum silicon carbide material D3 with the interface mechanical property stably enhanced is obtained. According to the invention, the mechanical property of the aluminum silicon carbide material can be obviously and stably improved, and the thermal adaptation cycle life of the aluminum silicon carbide material substrate in the working state of an integrated circuit, an electronic component and a precise instrument is prolonged.
本发明公开了一种铝碳化硅材料及其制备方法，方法包括将一级颗粒、二级颗粒、硅细粉、硼硅细粉和石蜡进行混炼，得物料W1；将物料W1进行造粒，得物料W2；将物料W2进行冷压成型和高温烧结，得到陶瓷预制体D1；将铝合金调质后的金属液经真空压力浸渗至陶瓷预制体D1，得到铸件D2；铸件D2放置于真空热处理炉中，真空状态下加热保温后，放入恒温水箱中均匀冷却，得到界面力学性能稳定增强的铝碳化硅材料D3。本发明能够显著且稳定提高铝碳化硅材料的力学性能，增加了铝碳化硅材料基板在集成电路、电子元器件和精密仪器工作状态下的热适配循环寿命。
Aluminum silicon carbide material and preparation method thereof
The invention discloses an aluminum silicon carbide material and a preparation method thereof, and the method comprises the following steps: mixing primary particles, secondary particles, silicon fine powder, borosilicate fine powder and paraffin to obtain a material W1; granulating the material W1 to obtain a material W2; performing cold press molding and high-temperature sintering on the material W2 to obtain a ceramic preform D1; molten metal obtained after aluminum alloy hardening and tempering is infiltrated into the ceramic prefabricated body D1 through vacuum pressure, and a casting D2 is obtained; and the casting D2 is placed in a vacuum heat treatment furnace, heated and subjected to heat preservation in a vacuum state and then placed in a constant-temperature water tank to be evenly cooled, and the aluminum silicon carbide material D3 with the interface mechanical property stably enhanced is obtained. According to the invention, the mechanical property of the aluminum silicon carbide material can be obviously and stably improved, and the thermal adaptation cycle life of the aluminum silicon carbide material substrate in the working state of an integrated circuit, an electronic component and a precise instrument is prolonged.
本发明公开了一种铝碳化硅材料及其制备方法，方法包括将一级颗粒、二级颗粒、硅细粉、硼硅细粉和石蜡进行混炼，得物料W1；将物料W1进行造粒，得物料W2；将物料W2进行冷压成型和高温烧结，得到陶瓷预制体D1；将铝合金调质后的金属液经真空压力浸渗至陶瓷预制体D1，得到铸件D2；铸件D2放置于真空热处理炉中，真空状态下加热保温后，放入恒温水箱中均匀冷却，得到界面力学性能稳定增强的铝碳化硅材料D3。本发明能够显著且稳定提高铝碳化硅材料的力学性能，增加了铝碳化硅材料基板在集成电路、电子元器件和精密仪器工作状态下的热适配循环寿命。
Aluminum silicon carbide material and preparation method thereof
一种铝碳化硅材料及其制备方法
YAN MINGWEI (Autor:in) / WANG JIAHAO (Autor:in) / HE JUAN (Autor:in) / WANG ZHEN (Autor:in)
02.08.2024
Patent
Elektronische Ressource
Chinesisch
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