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Aluminum-based silicon carbide composite material and preparation method and application thereof
The invention belongs to the related technical field of metal ceramic additive manufacturing, and discloses an aluminum-based silicon carbide composite material and a preparation method and application thereof.The method comprises the following steps that (1) composite powder formed by mixing silicon carbide with different particle size distributions and a binder serves as a raw material, and laser sintering equipment is adopted for printing to obtain a silicon carbide biscuit; (2) soaking the silicon carbide biscuit in silica sol with the concentration of 10-30% for 2-4 hours, and degreasing the soaked silicon carbide biscuit to obtain a silicon carbide preform; and (3) carrying out pre-oxidation treatment on the silicon carbide preform to obtain a silicon carbide porous skeleton, and carrying out vacuum pressure infiltration on the silicon carbide porous skeleton by using an aluminum alloy to obtain the aluminum-based silicon carbide composite material. The method has the characteristics of high preparation performance, capability of quickly forming a complex structure, stable silicon carbide and aluminum alloy interface and the like.
本发明属于金属陶瓷增材制造相关技术领域，其公开了一种铝基碳化硅复合材料及其制备方法与应用，该方法包括以下步骤：(1)将不同粒径分布的碳化硅与粘结剂混合成的复合粉体作为原料，采用激光烧结设备进行打印得到碳化硅素坯；(2)将碳化硅素坯置于浓度为10％～30％的硅溶胶中浸泡2～4小时，并对浸泡后的碳化硅素坯进行脱脂处理以得到碳化硅预制体；(3)对所述碳化硅预制体进行预氧化处理以得到碳化硅多孔骨架，并对所述碳化硅多孔骨架进行真空压力浸渗铝合金，以得到铝基碳化硅复合材料。本发明具有制备高性能、可快速成型复杂结构、碳化硅与铝合金界面稳定等特点。
Aluminum-based silicon carbide composite material and preparation method and application thereof
The invention belongs to the related technical field of metal ceramic additive manufacturing, and discloses an aluminum-based silicon carbide composite material and a preparation method and application thereof.The method comprises the following steps that (1) composite powder formed by mixing silicon carbide with different particle size distributions and a binder serves as a raw material, and laser sintering equipment is adopted for printing to obtain a silicon carbide biscuit; (2) soaking the silicon carbide biscuit in silica sol with the concentration of 10-30% for 2-4 hours, and degreasing the soaked silicon carbide biscuit to obtain a silicon carbide preform; and (3) carrying out pre-oxidation treatment on the silicon carbide preform to obtain a silicon carbide porous skeleton, and carrying out vacuum pressure infiltration on the silicon carbide porous skeleton by using an aluminum alloy to obtain the aluminum-based silicon carbide composite material. The method has the characteristics of high preparation performance, capability of quickly forming a complex structure, stable silicon carbide and aluminum alloy interface and the like.
本发明属于金属陶瓷增材制造相关技术领域，其公开了一种铝基碳化硅复合材料及其制备方法与应用，该方法包括以下步骤：(1)将不同粒径分布的碳化硅与粘结剂混合成的复合粉体作为原料，采用激光烧结设备进行打印得到碳化硅素坯；(2)将碳化硅素坯置于浓度为10％～30％的硅溶胶中浸泡2～4小时，并对浸泡后的碳化硅素坯进行脱脂处理以得到碳化硅预制体；(3)对所述碳化硅预制体进行预氧化处理以得到碳化硅多孔骨架，并对所述碳化硅多孔骨架进行真空压力浸渗铝合金，以得到铝基碳化硅复合材料。本发明具有制备高性能、可快速成型复杂结构、碳化硅与铝合金界面稳定等特点。
Aluminum-based silicon carbide composite material and preparation method and application thereof
一种铝基碳化硅复合材料及其制备方法与应用
YAN CHUNZE (author) / LIU GUIZHOU (author) / WANG CHANGSHUN (author) / YANG QINGCHUN (author) / SHI YUSHENG (author)
2024-01-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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