表层脱立方相梯度硬质合金及其切削应用研究进展  

Research Progress on the Gradient Cemented Carbides with Cubic-Phase Free Surface Layer and their Cutting Application

作　　者：杨天恩 邓成军[2] 石先刻[2] 熊计 邓正华[1,3] YANG Tian-en;DENG Cheng-jun;SHI Xian-ke;XIONG Ji;DENG Zheng-hua(Chongqing Engineering Technology Research Center for Light Alloy and Processing,Chongqing Three Gorges University,Chongqing 404100,China;College of Mechanical Engineering,Sichuan University,Chengdu 610065,China;Chongqing Engineering Research Center for Advanced Intelligent Manufacturing Technology,Chongqing Three Gorges University,Chongqing 404100,China)

机构地区：[1]重庆三峡学院重庆市轻合金材料与加工工程技术研究中心,重庆404100 [2]四川大学机械工程学院,四川成都610065 [3]重庆三峡学院智能制造先导技术重庆市高校工程研究中心,重庆404100

出　　处：《稀有金属与硬质合金》2022年第6期90-98,共9页Rare Metals and Cemented Carbides

基　　金：重庆市轻合金材料与加工工程技术研究中心开放基金资助项目(GCZX201903);四川省科技计划应用基础研究项目(2021YJ0056);四川省科技计划项目———精密复杂刀具设计制造四川省青年科技创新研究团队(2021JDTD0025)。

摘　　要：对表层脱立方相梯度硬质合金的研究成果进行了总结。系统地介绍了化学成分、原料粒度、烧结气氛对表层脱立方相梯度硬质合金微观组织、元素分布和性能的影响,概括了表层脱立方相梯度硬质合金作为涂层基体应用及后续涂层梯度硬质合金刀具切削加工应用,并指出研究表层脱立方相梯度硬质合金表面处理技术是挖掘其应用潜力的重要方向。The research results on the gradient cemented carbides with cubic-phase free surface layer are summarized.The effects of chemical composition, particle size of raw materials and sintering atmosphere on the microstructure, elemental distribution and properties of the gradient cemented carbides with cubic-phase free surface layer are systematically introduced.The application of the gradient cemented carbides as coating substrate and the cutting application of the coated gradient cemented carbide tools are summarized.It is pointed that the research on the surface treatment technology of the gradient cemented carbides with cubic-phase free surface layer is an important direction to tap their application potential.

关 键 词：梯度硬质合金 表层脱立方相 原料粒度 涂层基体 切削加工 

分 类 号：TG135.5[一般工业技术—材料科学与工程]