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氧化鋁陶瓷廣泛用作研磨材，切削材、高溫材料，加之具有良好的耐磨蝕性、機(jī)械強(qiáng)度、硬度和耐磨性，還用于各種機(jī)械部件。但原用氧化鋁陶瓷由于無(wú)塑性，不能像金屬材料那樣進(jìn)行加工，可以說(shuō)屬一種很難加工的材料。
這種陶瓷是在高分子中電解質(zhì)水溶液中分散AI2O3和Zr2O3顆粒，制備料漿，注入多孔質(zhì)模，加壓成坯，加熱燒結(jié)而成。由于它是一種含有Zr2O3的氧化鋁結(jié)拼燒結(jié)體，Zr2O3氧化鋁顆粒處于高分散狀態(tài)，且結(jié)晶呈微細(xì)粒，具有良好的超塑性。
經(jīng)測(cè)定，在1400℃和1500℃下，以1mm/min的速度進(jìn)行拉伸形試驗(yàn)，其測(cè)定值超過(guò)200%。由于它彌補(bǔ)了原有氧化鋁陶瓷無(wú)塑性的缺陷，使其用途得到進(jìn)一步拓寬。（圖/文www.cycbh.cn）
中譯英：
Alumina ceramics are widely used as grinding materials, cutting material, high temperature materials, and has good abrasion resistance, mechanical strength, hardness and wear resistance, is also used in a variety of mechanical parts. But the original alumina ceramic because no plastic, not metal materials such as processing, can be said to belong to a kind of difficult to machining materials.
The ceramic is in polymer electrolyte aqueous dispersions of AI2O3 and Zr2O3 particles, preparation of slurry, into the porous mold, compression casting, heating sintering. Because it is a Zr2O3 containing the alumina sintered body knot together, Zr2O3 alumina particles at high dispersion state, and the crystallization is fine, has good superplasticity.