Effect of Ni on microstructure and mechanical properties of bulk nanocrystalline Fe-Al based alloys prepared by aluminothermic reaction

doi:10.4028/www.scientific.net/MSF.745-746.715

	Effect of Ni on microstructure and mechanical properties of bulk nanocrystalline Fe-Al based alloys prepared by aluminothermic reaction
	La, Peiqing; Wei, Yupeng; Yang, Yang; Wang, Hongding; Bai, Yaping
	2013
会议名称	Chinese Materials Congress 2012, CMC 2012
会议录名称	Materials Science Forum
卷号	745-746
页码	715-721
会议日期	July 13, 2012 - July 18, 2012
会议地点	Taiyuan, China
出版者	Trans Tech Publications Ltd
摘要	Bulk nanocrystalline Fe-Al based alloys with 5, 10 and 15 wt. % Ni were prepared by aluminothermic reaction. The alloys were analyzed by electron probe microanalyzer, X-ray diffraction and transmission electron microscope. Compressive yield strength and hardness of the alloys were tested. The experimental results showed that all of the alloys consisted of Fe-Al-Ni matrix and small amount of Al2O3 sphere. The matrix phases of the alloys with 5 and 10 wt. % Ni had disordered α-Fe solid solution, while the matrix phases of the alloys with 15 wt. % Ni had disordered α-Fe solid solution, NiAl phase and Fe3AlCx phase. Average grain sizes of the matrix phases of the alloys were about 20 nm. The alloys with 5 wt.% Ni had the best plasticity, but the alloys with 15 wt. % Ni had the highest yield strength and hardness. Yield strength of those alloys is higher than that of coarse-grained Fe3Al. © (2013) Trans Tech Publications, Switzerland.
关键词	Alumina Aluminum metallography Aluminum oxide Binary alloys Hardness Iron alloys Mechanical properties Nanocrystalline alloys Nanocrystals Nickel Solid solutions Ternary alloys Transmission electron microscopy Yield stress Al-based alloys Aluminothermic reactions Average grain size Coarse-grained Electron probe micro analyzer Matrix phasis Microstructure and mechanical properties Nanocrystallines
DOI	10.4028/www.scientific.net/MSF.745-746.715
收录类别	EI
语种	英语
EI入藏号	20131216138443
EI主题词	Aluminum alloys
ISSN	02555476
来源库	Compendex
分类代码	541.1 Aluminum - 541.2 Aluminum Alloys - 545.2 Iron Alloys - 548.1 Nickel - 761 Nanotechnology - 804.2 Inorganic Compounds - 933 Solid State Physics - 951 Materials Science
引用统计	无
文献类型	会议论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/117567
专题	材料科学与工程学院
作者单位	State Key Laboratory of New Nonferrous Materials, Lanzhou University of Technology, Lanzhou, 730050, China
第一作者单位	兰州理工大学
推荐引用方式 GB/T 7714	La, Peiqing,Wei, Yupeng,Yang, Yang,et al. Effect of Ni on microstructure and mechanical properties of bulk nanocrystalline Fe-Al based alloys prepared by aluminothermic reaction[C]:Trans Tech Publications Ltd,2013:715-721.