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Silicon carbide composite ceramic material with oriented structure and preparation method of silicon carbide composite ceramic material
The invention discloses a silicon carbide composite ceramic material with an oriented structure and a preparation method thereof, and belongs to the technical field of silicon carbide ceramic preparation.The method comprises the steps that silicon carbide whiskers, titanium carbide powder, aluminum oxide powder and yttrium oxide powder are weighed according to the mass percent and mixed to be uniform, a plasticizer is added, and a plastic blank is obtained; the preparation method comprises the following steps: preparing a plastic blank into a directional structure blank by using a rolling method, drying the blank, cutting and forming, paving a transition layer and overlapping multiple layers, and degreasing and sintering the prepared multi-layer directional structure blank to finally obtain the directional structure silicon carbide composite ceramic material. The method has the advantages of high component control precision, high process stability and high repeatability, and synchronous improvement of high-temperature strength and toughness of the silicon carbide composite ceramic material can be realized.
本发明公开了一种定向结构碳化硅复合陶瓷材料及其制备方法，属于碳化硅陶瓷制备技术领域，方法包括：先按质量百分比称量碳化硅晶须、碳化钛粉末、氧化铝粉末和氧化钇粉末，混合均匀并添加塑化剂，得到塑性坯料，然后用轧制法将塑性坯料制成定向结构坯料，坯料经干燥‑裁切成型‑铺设过渡层+多层叠加，最后将制得的多层定向结构坯料进行脱脂与烧结处理，最终得到定向结构碳化硅复合陶瓷材料。此方法具有成分控制精度高，工艺稳定性和重复性较强，可实现碳化硅复合陶瓷材料高温强度和韧性性能的同步提升。
Silicon carbide composite ceramic material with oriented structure and preparation method of silicon carbide composite ceramic material
The invention discloses a silicon carbide composite ceramic material with an oriented structure and a preparation method thereof, and belongs to the technical field of silicon carbide ceramic preparation.The method comprises the steps that silicon carbide whiskers, titanium carbide powder, aluminum oxide powder and yttrium oxide powder are weighed according to the mass percent and mixed to be uniform, a plasticizer is added, and a plastic blank is obtained; the preparation method comprises the following steps: preparing a plastic blank into a directional structure blank by using a rolling method, drying the blank, cutting and forming, paving a transition layer and overlapping multiple layers, and degreasing and sintering the prepared multi-layer directional structure blank to finally obtain the directional structure silicon carbide composite ceramic material. The method has the advantages of high component control precision, high process stability and high repeatability, and synchronous improvement of high-temperature strength and toughness of the silicon carbide composite ceramic material can be realized.
本发明公开了一种定向结构碳化硅复合陶瓷材料及其制备方法，属于碳化硅陶瓷制备技术领域，方法包括：先按质量百分比称量碳化硅晶须、碳化钛粉末、氧化铝粉末和氧化钇粉末，混合均匀并添加塑化剂，得到塑性坯料，然后用轧制法将塑性坯料制成定向结构坯料，坯料经干燥‑裁切成型‑铺设过渡层+多层叠加，最后将制得的多层定向结构坯料进行脱脂与烧结处理，最终得到定向结构碳化硅复合陶瓷材料。此方法具有成分控制精度高，工艺稳定性和重复性较强，可实现碳化硅复合陶瓷材料高温强度和韧性性能的同步提升。
Silicon carbide composite ceramic material with oriented structure and preparation method of silicon carbide composite ceramic material
一种定向结构碳化硅复合陶瓷材料及其制备方法
HU WEI (author) / HU CHUNXIA (author) / LI JUANJUAN (author) / XU YANG (author) / ZHANG ZHENYU (author)
2024-10-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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