Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Zirconia-doped alumina ceramic substrate and preparation process thereof
The invention discloses a zirconia-doped alumina ceramic substrate and a preparation process thereof. According to the ceramic substrate, alpha-alumina powder is used as a main phase material, 3Y zirconia powder is used as a second phase material, barium carbonate powder is used as a pore-forming agent, and magnesium aluminate spinel powder is used as a fluxing agent; the porosity of the ceramic substrate is 3-20%, and the pore diameter of the ceramic substrate is 0.2-2.0 [mu] m. The preparation process adopts a tape casting process and a normal-pressure sintering method. The light reflectivity of the ceramic substrate prepared by the preparation process of the zirconia-doped alumina ceramic substrate is 98% or above, and the breaking strength of the ceramic substrate is 300 MPa or above.
本发明公开了一种掺杂氧化锆的氧化铝陶瓷基板及其制备工艺，所述陶瓷基板采用α‑氧化铝粉为主相材料，3Y氧化锆粉为第二相材料，采用碳酸钡粉体为造孔剂，镁铝尖晶石粉体为助熔剂；所述陶瓷基板的气孔率为3‑20％，气孔直径为0.2‑2.0μm。所述制备工艺采用流延成型工艺和常压烧结方法。本发明之掺杂氧化锆的氧化铝陶瓷基板制备工艺所制备的陶瓷基板的光反射率在98％以上，抗折强度在300MPa以上。
Zirconia-doped alumina ceramic substrate and preparation process thereof
The invention discloses a zirconia-doped alumina ceramic substrate and a preparation process thereof. According to the ceramic substrate, alpha-alumina powder is used as a main phase material, 3Y zirconia powder is used as a second phase material, barium carbonate powder is used as a pore-forming agent, and magnesium aluminate spinel powder is used as a fluxing agent; the porosity of the ceramic substrate is 3-20%, and the pore diameter of the ceramic substrate is 0.2-2.0 [mu] m. The preparation process adopts a tape casting process and a normal-pressure sintering method. The light reflectivity of the ceramic substrate prepared by the preparation process of the zirconia-doped alumina ceramic substrate is 98% or above, and the breaking strength of the ceramic substrate is 300 MPa or above.
本发明公开了一种掺杂氧化锆的氧化铝陶瓷基板及其制备工艺，所述陶瓷基板采用α‑氧化铝粉为主相材料，3Y氧化锆粉为第二相材料，采用碳酸钡粉体为造孔剂，镁铝尖晶石粉体为助熔剂；所述陶瓷基板的气孔率为3‑20％，气孔直径为0.2‑2.0μm。所述制备工艺采用流延成型工艺和常压烧结方法。本发明之掺杂氧化锆的氧化铝陶瓷基板制备工艺所制备的陶瓷基板的光反射率在98％以上，抗折强度在300MPa以上。
Zirconia-doped alumina ceramic substrate and preparation process thereof
一种掺杂氧化锆的氧化铝陶瓷基板及其制备工艺
WU CHONGJUN (Autor:in) / DUAN MINGXIN (Autor:in) / HE YUNPENG (Autor:in) / NIU XIAOYANG (Autor:in) / KONG LIPING (Autor:in)
10.07.2020
Patent
Elektronische Ressource
Chinesisch
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