硬质合金增韧补强机理研究进展  

Research Progress on Toughening and Strengthening Mechanism of Cemented Carbide

作　　者：鲁振运 杜劲 胡冬梅 王一飞 孙玉晶 张重彦 LU Zhenyun;DU Jin;HU Dongmei;WANG Yifei;SUN Yujing;ZHANG Chongyan(School of Mechanical and Automotive Engineering,Qilu University of Technology,Ji’nan 250353,China;Shandong Sanzuan Cemented Carbide Corporation Limited,Ji’nan 250300,China)

机构地区：[1]齐鲁工业大学机械与汽车工程学院,济南250353 [2]山东三钻硬质合金有限公司,济南250300

出　　处：《有色金属工程》2020年第7期40-46,共7页Nonferrous Metals Engineering

基　　金：国家自然科学基金项目资助(51676289);山东省自然科学基金(ZR2017BEE027);山东省高等教育科技计划项目(J18KA026)。

摘　　要：综述了添加稀土元素在细化晶粒、提高致密度、净化界面、改善黏结相等方面对硬质合金的强韧化作用,同时探讨了添加纳米材料在弥散强化、晶须拔出、裂纹偏转、裂纹桥接等方面对硬质合金性能的影响。在此基础上还探讨了硬质合金材料增韧补强的未来研究方向,为制备综合性能好的新型硬质合金材料提供思路。The strengthening of cemented carbide by adding rare earth elements in refining grains,increasing density,purifying the interface and improving the binder phase is summarized.Simultaneously,the effects of adding nano materials in dispersion strengthening,whisker extraction,crack deflection and crack bridging are discussed.On this basis,the future research directions of toughening and strengthening in cemented carbide materials are also discussed,and new ideas for the preparation of new cemented carbide materials with good comprehensive performance are provided.

关 键 词：硬质合金 稀土 纳米材料 性能 

分 类 号：TB331[一般工业技术—材料科学与工程]