Effect of Si element on microstructure and mechanical properties of bulk nanocrystalline Fe-Al-Cr, Fe-Al-Mn materials prepared by aluminothermic reaction

	Effect of Si element on microstructure and mechanical properties of bulk nanocrystalline Fe-Al-Cr, Fe-Al-Mn materials prepared by aluminothermic reaction
	Li, Cui-Ling; La, Pei-Qing; Liu, Hui; Wei, Yu-Peng; Bai, Ya-Ping; Lu, Xue-Feng; Chen, Jing-Min
	2011-12-01
发表期刊	Fenmo Yejin Cailiao Kexue yu Gongcheng/Materials Science and Engineering of Powder Metallurgy
ISSN	16730224
卷号	16 期号:6 页码:892-899
摘要	Bulk nanocrystalline Fe-Al-Cr and Fe-Al-Mn materials with and without Si element were prepared by aluminothermic reaction, respectively. Microstructures of the materials were investigated by optical microscope, electron probe microscope X-ray diffraction and transmission electron microscope. The results show that, after adding 5%Si (mass fraction, the same below), the average grain size of two materials have no obvious change; the crystal structure of materials with 15%Mn changed from DO3 to B2, while the materials with 10%Cr had no change; the addition of Si element results in the precipitation of phases containing Cr, Mn element in the materials. Hardness and compressive properties of the materials were also tested, which indicates that, after adding 5%Si element, the hardness of both materials increases sharply, and the plasticity of the materials reduced significantly; the yield strength of the material with 10%Cr dropped from 790 to 642 MPa, while the material with 15%Mn increased from 708 to 808 MPa.
关键词	Aluminum Aluminum metallography Hardness Manganese Materials properties Mechanical properties Microstructure Silicon Transmission electron microscopy X ray diffraction Aluminothermic reactions Average grain size Compressive properties Electron probe Mass fraction Microstructure and mechanical properties Nanocrystallines Optical microscopes Transmission electron microscope Two-materials
收录类别	EI
语种	中文
出版者	Central South University, Lushan Nanlu, Changsha, 410043, China
EI入藏号	20120614752971
EI主题词	Nanocrystalline materials
EI分类号	933.1.1 Crystal Lattice - 933 Solid State Physics - 761 Nanotechnology - 741.3 Optical Devices and Systems - 951 Materials Science - 712.1.1 Single Element Semiconducting Materials - 541.1 Aluminum - 423 Non Mechanical Properties and Tests of Building Materials - 421 Strength of Building Materials ; Mechanical Properties - 543.2 Manganese and Alloys
来源库	Compendex
分类代码	933.1.1 Crystal Lattice - 933 Solid State Physics - 761 Nanotechnology - 741.3 Optical Devices and Systems - 951 Materials Science - 712.1.1 Single Element Semiconducting Materials - 541.1 Aluminum - 423 Non Mechanical Properties and Tests of Building Materials - 421 Strength of Building Materials; Mechanical Properties - 543.2 Manganese and Alloys
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/111243
专题	材料科学与工程学院
作者单位	State Key Laboratory of Gansu Advanced Non-ferrous Materials, Lanzhou University of Technology, Lanzhou 730050, China
第一作者单位	兰州理工大学
第一作者的第一单位	兰州理工大学
推荐引用方式 GB/T 7714	Li, Cui-Ling,La, Pei-Qing,Liu, Hui,et al. Effect of Si element on microstructure and mechanical properties of bulk nanocrystalline Fe-Al-Cr, Fe-Al-Mn materials prepared by aluminothermic reaction[J]. Fenmo Yejin Cailiao Kexue yu Gongcheng/Materials Science and Engineering of Powder Metallurgy,2011,16(6):892-899.
APA	Li, Cui-Ling.,La, Pei-Qing.,Liu, Hui.,Wei, Yu-Peng.,Bai, Ya-Ping.,...&Chen, Jing-Min.(2011).Effect of Si element on microstructure and mechanical properties of bulk nanocrystalline Fe-Al-Cr, Fe-Al-Mn materials prepared by aluminothermic reaction.Fenmo Yejin Cailiao Kexue yu Gongcheng/Materials Science and Engineering of Powder Metallurgy,16(6),892-899.
MLA	Li, Cui-Ling,et al."Effect of Si element on microstructure and mechanical properties of bulk nanocrystalline Fe-Al-Cr, Fe-Al-Mn materials prepared by aluminothermic reaction".Fenmo Yejin Cailiao Kexue yu Gongcheng/Materials Science and Engineering of Powder Metallurgy 16.6(2011):892-899.