Effect of a liquid phase on the plastic deformation of MAX phase-based (Ti-Al-C) multicomponent ceramics

被引：0
|
作者：
Boyko, Yu, I [1 ]
Bogdanov, V. V. [1 ]
Vovk, R. V. [1 ]
Korshak, V. F. [1 ]
Chroneos, A. [2 ]
Dobrovolskiy, O., V [1 ,3 ]
机构：
[1] V Karazin Kharkiv Natl Univ, Svobody Sq 4, UA-61022 Kharkov, Ukraine
[2] Imperial Coll, Dept Mat, London SW7 2AZ, England
[3] Univ Vienna, Fac Phys, Boltzmanngasse 5, A-1090 Vienna, Austria
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2020年 / 31卷 / 03期
关键词：
PHYSICAL-PROPERTIES; CREEP;
D O I：
10.1007/s10854-019-02782-z
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The mechanism of plastic deformation of a MAX phase based on Ti-Al-C elements is investigated in the temperature range 1000-1200 degrees C. It is shown that at temperatures about 1000 degrees C the determining mass transport mechanism is the grain-boundary creep. Upon reaching a temperature of above 1100 degrees C the plastic deformation of the material occurs with the participation of a Ti-Al-based liquid phase, that appears as a thin (approximate to 10nm) layer at the grain boundaries of TiC. This deformation mechanism is characterized by a higher rate of plastic deformation as compared to that in a solid phase, that is in the absence of liquid interlayers.
引用
收藏
页码：2454 / 2458
页数：5
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