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综述了晶界理论的发展概况,包括相符点阵CSL(Coincidence Site Lattice)、O-点阵和DSC(Displacement Shift Completely)点阵等晶界模型的物理概念。对晶界研究的若干实验技术及其应用发展进行了简明介绍和评述。对晶界问题的当前研究动向进行了初步归纳。
The development of grain boundary theory is reviewed, including the physical concepts of grain boundary model such as Coincidence Site Lattice (CSL), Displacement Shift Completely (DSC) lattice and so on. A number of experimental studies on the grain boundary and its application development are briefly introduced and reviewed. The current research trends of grain boundary problems are summarized.