The structure and mechanical properties of single-crystal nickel alloys with Re and Ru after high-temperature holds

被引：8
|
作者：
Popova, M. A. [1 ]
Kuznetsov, V. P. [1 ]
Lesnikov, V. P. [1 ]
Popov, N. A. [1 ]
Konakova, I. P. [1 ]
机构：
[1] Ural Fed Univ, Ekaterinburg 620002, Russia
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2015年 / 642卷
关键词：
Nickel based superalloys; Electron microscopy; Phase transformation; Mechanical characterization;
D O I：
10.1016/j.msea.2015.06.094
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The special characteristics of structure and phase transformations in nickel based superalloys after long high-temperature holds are discussed. The formation of TCP-phases with different morphology is known to be the main feature of the investigated alloys. The residual short-term mechanical properties study after holds are determined. It is shown that the destruction of the specimen with different morphology TCP-phases occurs due to the formation and development of cracks along the gamma'/TCP-interface. Nano-phase hardening of single-crystal nickel alloys is considered. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：304 / 308
页数：5
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