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Nano-structure alumina fiber composite ceramic material and preparation process thereof
The invention belongs to the technical field of functional ceramic material manufacturing, and relates to a nano-structure alumina fiber composite ceramic material and a preparation process thereof. The material is a nano-structure aluminum oxide-based composite ceramic material, and besides the aluminum oxide matrix material, the material also comprises a nano-scale aluminum oxide fiber reinforced phase, a nickel auxiliary binding phase and a zirconium oxide dispersion strengthening phase, wherein the nano-scale aluminum oxide fibers in the composite ceramic material are prepared through self-assembly by adopting an electrostatic spinning assisted gel sol method, and the composite ceramic material is prepared by adopting a hot pressing sintering method. The nano-structure alumina fiber composite ceramic material has outstanding high-temperature mechanical properties, thermal shock resistance and high-temperature oxidation resistance, and can be applied to equipment hot-end components.
本发明属于功能陶瓷材料制造技术领域，涉及一种纳米结构氧化铝纤维复合陶瓷材料及其制备工艺。该材料为纳米结构氧化铝基复合陶瓷材料，除氧化铝基体材料外，材料成分中还包含纳米级的氧化铝纤维增强相、镍辅助粘结相、氧化锆弥散强化相。该复合陶瓷材料中的纳米级氧化铝纤维采用静电纺丝辅助的凝胶溶胶法自组装制备，复合陶瓷材料采用热压烧结的方法制备。该纳米结构氧化铝纤维复合陶瓷材料具有突出的高温力学性能，耐热冲击，抗高温氧化，可应用于装备热端构件。
Nano-structure alumina fiber composite ceramic material and preparation process thereof
The invention belongs to the technical field of functional ceramic material manufacturing, and relates to a nano-structure alumina fiber composite ceramic material and a preparation process thereof. The material is a nano-structure aluminum oxide-based composite ceramic material, and besides the aluminum oxide matrix material, the material also comprises a nano-scale aluminum oxide fiber reinforced phase, a nickel auxiliary binding phase and a zirconium oxide dispersion strengthening phase, wherein the nano-scale aluminum oxide fibers in the composite ceramic material are prepared through self-assembly by adopting an electrostatic spinning assisted gel sol method, and the composite ceramic material is prepared by adopting a hot pressing sintering method. The nano-structure alumina fiber composite ceramic material has outstanding high-temperature mechanical properties, thermal shock resistance and high-temperature oxidation resistance, and can be applied to equipment hot-end components.
本发明属于功能陶瓷材料制造技术领域，涉及一种纳米结构氧化铝纤维复合陶瓷材料及其制备工艺。该材料为纳米结构氧化铝基复合陶瓷材料，除氧化铝基体材料外，材料成分中还包含纳米级的氧化铝纤维增强相、镍辅助粘结相、氧化锆弥散强化相。该复合陶瓷材料中的纳米级氧化铝纤维采用静电纺丝辅助的凝胶溶胶法自组装制备，复合陶瓷材料采用热压烧结的方法制备。该纳米结构氧化铝纤维复合陶瓷材料具有突出的高温力学性能，耐热冲击，抗高温氧化，可应用于装备热端构件。
Nano-structure alumina fiber composite ceramic material and preparation process thereof
一种纳米结构氧化铝纤维复合陶瓷材料及其制备工艺
WU ZE (Autor:in) / XING YOUQIANG (Autor:in) / LIU LEI (Autor:in) / BAO HANG (Autor:in)
09.06.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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