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采用表面诱导沉淀法，制备了Ａｌ２Ｏ３－ＺｒＯ２（１５ｖｏｌ％）纳米复合粉料，利用透射电子显微镜对其形貌进行了表征．结果表明：在ｐＨ＝５时，可以使ＺｒＯ２前驱体均匀地包裹在Ａｌ２Ｏ３颗粒表面，经过８００℃煅烧之后，Ａｌ２Ｏ３颗粒表面均匀地结合着粒径约为３０ｎｍ的ＺｒＯ２颗粒，ＺｒＯ２颗粒尺寸均匀．该粉体经过２４ｈ球磨和超声波处理之后，未发生ＺｒＯ２颗粒脱落现象，表明ＺｒＯ２颗粒与Ａｌ２Ｏ３颗粒表面结合紧密．
The surface-induced precipitation method was used to prepare Al2O3-ZrO2 (15vol%) nanocomposite powder, and its morphology was characterized by transmission electron microscopy. The results show that the ZrO2 precursor can be uniformly coated on the surface of Al2O3 particles at pH = 5. After calcination at 800 ℃, ZrO2 particles with a size of about 30nm are uniformly bonded to the surface of Al2O3 particles. After 24 hours of ball milling and ultrasonic treatment, ZrO2 particles did not detach, which indicated that the ZrO2 particles bonded tightly with Al2O3 particles.