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Microstructure Evolution of Sm-Fe Alloy Prepared by Cryomilling in Liquid Nitrogen
Qiu Xiaofeng1; Cui Xiangzhong1; Yang Bin1,2; Chen Hanbin1
Corresponding AuthorQiu Xiaofeng(xfengsmile@sina.com)
2010-08-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume39Issue:8Pages:1484-1487
AbstractThe Sm-Fe alloy powders were prepared by cryomilling in liquid nitrogen. By means of XRD, HRTEM and Inert Gas Pulse-Infrared-Thermal Conductivity method, the microstructure evolution of the Sm(2)Fe(17) alloy powders during the cryomilling process was studied. The results show that the grain sizes of Sm-Fe alloy powders were rapidly reduced by cryomilling in liquid nitrogen. The grain sizes of the alloy powders were about 10 nm and 5 nm after cryomilling for 5 h and 9 h, respectively. The nitrogen content in the Sm-Fe alloy powders increased with longer cryomilling time. After cryomilling at 150 r/min for 9 h, the content of nitrogen reached 1.62wt%. With increasing of the cryomilling time, the Sm(2)Fe(17) phase changed to amorphous phase. Low cryomilling speed can slow down the formation of amorphous phases.
KeywordSm(2)Fe(17) alloy cryomilling nitriding amorphous phase
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000281904000037
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/102977
Collection中国科学院金属研究所
Corresponding AuthorQiu Xiaofeng
Affiliation1.Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Qiu Xiaofeng,Cui Xiangzhong,Yang Bin,et al. Microstructure Evolution of Sm-Fe Alloy Prepared by Cryomilling in Liquid Nitrogen[J]. RARE METAL MATERIALS AND ENGINEERING,2010,39(8):1484-1487.
APA Qiu Xiaofeng,Cui Xiangzhong,Yang Bin,&Chen Hanbin.(2010).Microstructure Evolution of Sm-Fe Alloy Prepared by Cryomilling in Liquid Nitrogen.RARE METAL MATERIALS AND ENGINEERING,39(8),1484-1487.
MLA Qiu Xiaofeng,et al."Microstructure Evolution of Sm-Fe Alloy Prepared by Cryomilling in Liquid Nitrogen".RARE METAL MATERIALS AND ENGINEERING 39.8(2010):1484-1487.
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