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首页> 外文期刊>CERAMICS INTERNATIONAL >The preparation of SiC-based ceramics by one novel strategy combined 3D printing technology and liquid silicon infiltration process
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The preparation of SiC-based ceramics by one novel strategy combined 3D printing technology and liquid silicon infiltration process

机译：一种新型策略组合3D印刷技术和液体硅渗透过程的SiC基陶瓷的制备

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摘要

SiC-based ceramics with periodic structure were successfully fabricated by extrusion freeforming 3D printing technology and liquid silicon infiltration process. The ceramic slurries containing SiC, carbon black, chopped carbon fiber were firstly prepared with the appropriate viscosity and rheological properties, then were formed by extrusion freeforming 3D printing technology and densified by liquid silicon infiltration sintering successively, to acquire SiC ceramic composites components. The microstructure and morphology of green parts and sintered bodies were observed. Chopped carbon fibers were found to be oriented distribution in SiC ceramic composites parts. The sintered bodies exhibited maximum flexural strength of 300 MPa and sintered linear shrinkage below 2%. The manufacturing method has demonstrated big potential to fabricate ceramic components with personalized complex structure.
机译：通过挤出自动形成3D印刷技术和液体硅渗透过程成功制造了具有周期性结构的SiC的陶瓷。 首先使用适当的粘度和流变性能制备含有SiC，炭黑，切碎的碳纤维的陶瓷浆料，然后通过挤出的自由形成3D印刷技术形成并通过液体硅渗透烧结依次致密化，以获得SiC陶瓷复合材料组分。 观察了绿零件和烧结体的微观结构和形态。 发现切碎的碳纤维在SiC陶瓷复合材料零件中被定向分布。 烧结体表现出300MPa的最大弯曲强度，并且烧结线性收缩低于2％。 制造方法表明，用个性化复杂结构制造陶瓷部件的巨大潜力。

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