High Temperature Mechanical Behavior of MgAl2O4-YAG Eutectic Ceramic In Situ Composites by Float Zone Method

被引：0
|
作者：
Abali, Serkan [1 ]
机构：
[1] Canakkale Onsekiz Mart Univ, Dept Mat Sci & Engn, TR-17100 Canakkale, Turkey
来源：
HIGH TEMPERATURE MATERIALS AND PROCESSES | 2017年 / 36卷 / 08期
关键词：
directionally solidified; eutectic; high temperature; mechanical behavior; oxide ceramic materials; THERMAL-STABILITY; FRACTURE-TOUGHNESS; CREEP-BEHAVIOR; MICROSTRUCTURE; GROWTH; STRENGTH;
D O I：
10.1515/htmp-2016-0002D
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The directionally solidified eutectic MgAl2O4-Y3Al5O12 crystal was prepared at a pressure of 0.4 MPa of ambient nitrogen gas by the high frequency induction heated floating zone furnace. In order to determine the high temperature characteristics, directionally solidified MgAl2O4-Y3Al5O12 eutectic phase has been analyzed with creep test, tensile strength, young modulus and fracture toughness at the various temperatures and the microstructural variations have been studied according to the analysis results. It has been seen that directionally solidified with zone melting MgAl2O4-YAG eutectic ceramic which has given the value of 168 MPa below 10(-6)/s strain rate at 1,700 degrees C temperature has revealed minimum stress.
引用
收藏
页码：755 / 761
页数：7
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