EET理论在超硬材料相变机理研究中的应用  

Application of EET in the Phase Transition Mechanism of Ultrahard Materials

作　　者：贾凤 王功振[1] 吕美哲 许斌[1,2] JIA Feng;WANG Gongzhen;L Meizhe;XU Bin(School of materials science and engineering,Shandong Jianzhu University,Jinan 250101,China;School of materials science and engineering,Shandong University,Jinan 250061,China)

机构地区：[1]山东建筑大学材料科学与工程学院,山东济南250101 [2]山东大学材料科学与工程学院,山东济南250061

出　　处：《中原工学院学报》2018年第3期12-17,33,共7页Journal of Zhongyuan University of Technology

基　　金：国家自然科学基金项目(51272139)

摘　　要：近年来,固体与分子经验电子理论(EET理论)不断完善和发展,并广泛应用于金属及其合金、陶瓷材料等研究领域,尤其是在材料相变机理研究方面取得了一定进展。主要归纳了金刚石单晶、立方氮化硼单晶相变机理的研究进展;提出了用基于EET理论构建的EET-TFDC理论模型来分析单晶高温高压相变机理的研究思路;介绍了EET理论在金刚石单晶、立方氮化硼单晶等超硬材料合成研究过程中的研究现状;展望了EET理论的研究前景。With the development and perfection of Empirical Electron Theory of Solids and Molecules（EET）,it is widely applied in the area of metals,alloys and ceramics,etc.Especially it has made great progress in the research of phase transition mechanism.In this paper,the research progress of diamond single crystal and cubic boron nitride single crystal is summarized.A study approach of EET-TFDC theoretical model based on EET is proposed to analyze the phase transition of diamond single crystal and cubic boron nitride single crystal under high temperature and high pressure.The application of EET in the phase transition mechanism of ultrahard materials which mainly include diamond single crystal and cubic boron nitride single crystal is briefly summarized.The present research status of EET is analyzed,and the prospect of EET in the field of ultrahard materials is prospected.

关 键 词：超硬材料 固体与分子经验电子理论 相变机理 金刚石单晶 立方氮化硼单晶 

分 类 号：TG111.1[金属学及工艺—物理冶金]