Structural evolution of oxide dispersion strengthened austenitic powders during mechanical alloying and subsequent consolidation

被引：33
|
作者：
Wang, Man [1 ]
Sun, Hongying [2 ]
Zou, Lei [1 ]
Zhang, Guangming [1 ]
Li, Shaofu [1 ]
Zhou, Zhangjian [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 10083, Peoples R China
[2] Anyang Inst Technol, Sch Mech Engn, Anyang 455002, Henan, Peoples R China
来源：
POWDER TECHNOLOGY | 2015年 / 272卷
关键词：
Mechanical alloying; ODS austenitic steels; Phase transition; FERRITIC ALLOYS; MICROSTRUCTURAL EVOLUTION; COMPOSITE POWDERS; STEELS; DEFORMATION; REACTORS; SIZE;
D O I：
10.1016/j.powtec.2014.12.008
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Different austenitic steel powders with additions of Y2O3 and Ti were fabricated by mechanical alloying (MA). The structural evolutions during the process of ball milling and subsequent annealing were studied by XRD, SEM and TEM. Nano crystalline austenitic powders were obtained by MA. Different ODS austenitic powders presented different phase transition during the process of MA and annealing, which were resulted from different contents of Ni and Cr. Both ODS-316 and ODS-310 showed a weak diffraction peak of a after annealing and consolidated by hot isostatic pressing (HIP) due to the addition of Ti. According to the TEM results, the grain size of all three ODS austenitic steels was around several hundred nanometers. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：309 / 315
页数：7
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