Investigation of the Crystallographic Texture of Corundum Ceramics, Obtained by Spark Plasma Sintering

被引：0

作者：

Zhitnyuk, S., V ^{[1
]}

Medvedev, P. N. ^{[1
]}

Sorokin, O. Y. ^{[1
]}

Kachaev, A. A. ^{[1
]}

机构：

[1] State Res Ctr Russian Federat, Natl Res Ctr, Kurchatov Inst, All Russian Sci Res Inst Aviat Mat, Moscow 105005, Russia

来源：

CRYSTALLOGRAPHY REPORTS | 2022年 / 67卷 / 02期

关键词：

Textures; -; Corundum;

D O I：

10.1134/S1063774522020250

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A complex study of the crystallographic texture of corundum ceramics obtained by spark plasma sintering (SPS) has been performed. It is found that a characteristic texture state is formed along the direction of applied compressive load. It is shown that dislocation slip in the basal planes of the corundum lattice during plastic deformation is a possible mechanism of formation of this texture type. The values of microhardness of SPS ceramics in the directions parallel and perpendicular to the axis of the applied compressive load are found to be 16.2 +/- 0.8 and 14.9 +/- 0.8 GPa, respectively.

引用

页码：137 / 142

页数：6

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