A ceramic fiber and a method of fabricating the same are provided. An amorphous-silicon-containing composite powder is mixed with aluminum oxide gel to form spinning material. The composite powder includes aluminum oxide, silicon dioxide, and magnesium oxide or calcium oxide. A content of the aluminum oxide is between 15 to 50 parts by weight, a content of the silicon dioxide is between 35 to 60 parts by weight, a content of the magnesium oxide is between 1 to 6 parts by weight, and a content of the calcium oxide is between 6 to 20 parts by weight, based on 100 parts by weight of the composite powder. The spinning material is spinned to form a fiber. A sintering treatment is performed to the fiber, wherein the temperature of the sintering treatment is between 1000°C to 1300°C.
技術摘要-英文: A ceramic fiber and a method of fabricating the same are provided. An amorphous-silicon-containing composite powder is mixed with aluminum oxide gel to form spinning material. The composite powder includes aluminum oxide, silicon dioxide, and magnesium oxide or calcium oxide. A content of the aluminum oxide is between 15 to 50 parts by weight, a content of the silicon dioxide is between 35 to 60 parts by weight, a content of the magnesium oxide is between 1 to 6 parts by weight, and a content of the calcium oxide is between 6 to 20 parts by weight, based on 100 parts by weight of the composite powder. The spinning material is spinned to form a fiber. A sintering treatment is performed to the fiber, wherein the temperature of the sintering treatment is between 1000°C to 1300°C.