Grain Boundary and Interface Structures in Ceramics

Grain Boundary and Interface Structures in Ceramics
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陶瓷中的晶界和界面结构

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发表时间:
2001
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通讯作者:
Y. Ikuhara
Y. Ikuhara
中科院分区:
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文献类型:
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作者:
Y. Ikuhara

文献摘要

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本文综述了陶瓷材料中的晶界和界面结构。首先简要介绍了晶界和异质界面的几何处理方法。在晶界方面,从晶界特征、小角度晶界、重合位置晶格(CSL)理论、结构单元、偏析和非晶晶界等几个方面进行了综述,并列举了几个在陶瓷中观察到的例子。对于异质界面,讨论了O-晶格理论、晶格理论、晶格、晶格、O-晶格理论、晶格、晶格相干性和界面位错,并介绍了金属/陶瓷界面的研究结果。透射电子显微镜(TEM)使我们能够表征小于1 nm的非常窄的区域,因此是研究晶界和界面结构的强大技术。在本文中,最近的实验TEM研究,以证明在高空间分辨率的晶界和界面表征。
This paper reviews grain boundary and interface structures in ceramics. Firstly, geometrical treatments are briefly described for both grain boundary and hetero-interface. For the grain boundary, grain boundary character, small angle grain boundary, coincidence site lattice (CSL) theory, structure unit, segregation and amorphous grain boundary are reviewed to show a couple of examples observed in ceramics. For the hetero-interface, O-lattice theory, lattheory, latry, latace, O-lattice theory, latry, lattttice coherency and interfacial dislocation are discussed and the results obtained for metal/ceramics interfaces are introduced. Transmission electron microscopy (TEM) enables us to characterize the very narrow regions less than 1nm, and therefore is powerful technique for investigating grain boundary and interface structures. In this paper, recent experimental TEM studies are presented to demonstrate grain boundary and interface characterization at high spatial resolution.