【摘要】 Al₂O₃/B₄C作为一种优良的结构部件,在工业及国防领域都具有广阔的应用前景。简要论述了Al₂O₃/B₄C复相陶瓷材料的几种常用制备方法,如自蔓燃高温合成、无压烧结法、热压烧结法、机械合金化法等;重点综述了Al₂O₃/B₄C复相陶瓷材料的几种增韧方式及增韧机理,并简述了Al₂O₃/B₄C复相陶瓷材料的应用;最后,指出了Al₂O₃/B₄C复相陶瓷材料的研究不足之处以及下一步的研究动向。更多还原

【Abstract】 Al₂O₃/B₄C can be used as structures in industry and defense because of the excellent properties.The preparation methods for Al₂O₃/B₄C composite ceramics are reviewed,such as self-propagating high-temperature synthesis,pressure-less sintering,hot pressure sintering and mechanical alloying method.The toughening methods and mechanisms of Al₂O₃/B₄C composite ceramics are briefly stated,as well as the application of Al₂O₃/B₄C composite ceramics.Finally the insufficiency and researching direction are also pointed out.更多还原