The criteria for optimization of spark plasma sintering of transparent MgAl2O4 ceramics

被引：2
|
作者：
Dvilis E.S. [1 ]
Khasanov O.L. [1 ]
Polisadova E.F. [1 ]
Paygin V.D. [1 ]
Stepanov S.A. [1 ]
Valiev D.T. [1 ]
Dudina D.V. [2 ]
机构：
[1] National Research Tomsk Polytechnic University, Lenin Avenue 30, Tomsk
[2] Lavrentyev Institute of Hydrodynamics, Siberian Branch of the Russian Academy of Sciences, Lavrentyev Ave. 15, Novosibirsk
来源：
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy | 2018年 / 65卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
MgAl2O4; spinel; Optical properties; Optimization criteria; Spark Plasma Sintering; Transparent ceramics;
D O I：
10.2497/jjspm.65.513
中图分类号：
学科分类号：
摘要：
In this work, criteria for optimization of the Spark Plasma Sintering (SPS) regimes to manufacture transparent MgAl2O4 ceramics have been suggested. These criteria are not derived from the microstructural characteristics of the sintered samples - density or grain/pore size. In our approach, the criteria for optimization are the coefficients in the equation describing the normalized optical density. After the choice of the criteria was justified, they were used for obtaining transparent MgAl2O4 ceramics with improved optical properties by SPS at optimal temperatures, pressures and heating rates. The suggested criteria were determined for representative sets of MgAl2O4 ceramic specimens obtained by SPS using different processing parameters. © Journal of the Japan Society of Powder and Powder Metallurgy. All rights reserved.
引用
收藏
页码：513 / 518
页数：5
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