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Gradient aluminum silicon carbide composite material device as well as preparation method and application thereof
The invention discloses a gradient aluminum silicon carbide composite material device as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, respectively preparing a plurality of gel slurries with different silicon carbide volume contents; s2, pouring the gel slurry into a mold according to the sequence of high, medium and low silicon carbide volume contents, and vibrating the mold; s3, demolding, drying and sintering after curing to obtain a silicon carbide prefabricated part with gradient porosity; s4, the silicon carbide prefabricated part is loaded into a mold for aluminizing, and a gradient aluminum silicon carbide composite material blank is obtained; and S5, the gradient aluminum silicon carbide composite material blank is subjected to finish machining after shelling, and the gradient aluminum silicon carbide composite material device is obtained. According to the gradient aluminum-based silicon carbide composite material device prepared through the method, the volume ratio of silicon carbide achieves gradient change, the material performance also achieves gradient change, and the requirement for structure and function integration of a product is met.
本发明公开了一种梯度铝碳化硅复合材料器件及其制备方法和应用，包括以下步骤：S1、分别配置若干种不同碳化硅体积含量的凝胶浆料；S2、按高、中、低碳化硅体积含量的顺序将凝胶浆料浇入模具后震动模具；S3、固化后脱模、干燥、烧结，得到梯度孔隙率的碳化硅预制件；S4、将碳化硅预制件装入模具进行渗铝，得到梯度铝碳化硅复合材料坯料；S5、脱壳后将梯度铝碳化硅复合材料坯料进行精加工，得到梯度铝碳化硅复合材料器件。本发明制备的梯度铝基碳化硅复合材料器件，碳化硅体积占比实现梯度变化，材料性能也呈梯度变化，使产品实现结构功能一体化需求。
Gradient aluminum silicon carbide composite material device as well as preparation method and application thereof
The invention discloses a gradient aluminum silicon carbide composite material device as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, respectively preparing a plurality of gel slurries with different silicon carbide volume contents; s2, pouring the gel slurry into a mold according to the sequence of high, medium and low silicon carbide volume contents, and vibrating the mold; s3, demolding, drying and sintering after curing to obtain a silicon carbide prefabricated part with gradient porosity; s4, the silicon carbide prefabricated part is loaded into a mold for aluminizing, and a gradient aluminum silicon carbide composite material blank is obtained; and S5, the gradient aluminum silicon carbide composite material blank is subjected to finish machining after shelling, and the gradient aluminum silicon carbide composite material device is obtained. According to the gradient aluminum-based silicon carbide composite material device prepared through the method, the volume ratio of silicon carbide achieves gradient change, the material performance also achieves gradient change, and the requirement for structure and function integration of a product is met.
本发明公开了一种梯度铝碳化硅复合材料器件及其制备方法和应用，包括以下步骤：S1、分别配置若干种不同碳化硅体积含量的凝胶浆料；S2、按高、中、低碳化硅体积含量的顺序将凝胶浆料浇入模具后震动模具；S3、固化后脱模、干燥、烧结，得到梯度孔隙率的碳化硅预制件；S4、将碳化硅预制件装入模具进行渗铝，得到梯度铝碳化硅复合材料坯料；S5、脱壳后将梯度铝碳化硅复合材料坯料进行精加工，得到梯度铝碳化硅复合材料器件。本发明制备的梯度铝基碳化硅复合材料器件，碳化硅体积占比实现梯度变化，材料性能也呈梯度变化，使产品实现结构功能一体化需求。
Gradient aluminum silicon carbide composite material device as well as preparation method and application thereof
一种梯度铝碳化硅复合材料器件及其制备方法和应用
SONG MANXIN (author) / YU CHUIYOU (author) / TIAN FEIFAN (author) / PENG LINHUI (author) / OU FAN (author) / HE FANG (author) / HU JUAN (author)
2023-07-14
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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