涂桂朝;伍尚华;刘佳;

• 1:广东工业大学机电工程学院

摘要(Abstract)：

sialon陶瓷因其具有优异的高温机械性能而成为最重要的结构陶瓷之一。它主要有两种晶体结构,即α和β结构。β-sialon的强度和断裂韧性较高,而α-sialon具有更高的硬度,但单相的sialon陶瓷早已不能满足高速切削加工工具的要求,近些年来,很多学者展开了(α+β)-sialon复合陶瓷的研究,但这是以牺牲部分α-sialon的硬度作为代价的。因此,不少学者致力于柱状α-sialon的研究并取得了很大的进展。本文主要综述了国内外针对柱状晶α-sialon的研究进展,并对柱状α-sialon的制备方法及其影响因素进行综述。

关键词(KeyWords)： 柱状晶α-sialon;断裂韧性;硬度;制备方法;影响因素

Abstract:

Keywords:

基金项目(Foundation): 广东省领军人才专项(400120001);; 广东省教育厅重点学科建设项目(501120024);; 中国博士后科学基金(2014M560656)

作者(Authors): 涂桂朝;伍尚华;刘佳;

DOI: 10.16521/j.cnki.issn.1001-9642.2015.11.002

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