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Martensitic transformations of Fe(N) nanoparticles
Zhao, XQ; Li, YS; Liang, Y; Hu, ZQ
Corresponding AuthorZhao, XQ()
2002-01-18
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume38Issue:1Pages:11-16
Abstractgamma-Fe(N) nanoparticles (containing 5.9%N, atomic fraction) were prepared by laser induced pyrolysis, and the martensitic transformation characteristics of the nanoparticles was studied. It is found that the martensitic transformation temperature of the nanoparticles is much lower than that of the bulk materials with the same composition. The effect of particle size on the transformation temperature was discussed. It is suggested that the hydrostatic pressure resulting from surface tension of the nanoparticles is responsible for the decrease of the transformation temperature. In order to verify the plastic deformation induced martensitic transformation of the gamma-Fe(N) nanoparticles, the pressurization (0.5-4.0 GPa) method was adopted, and the effect of pressurization on the martensitic transformation and microstructures of the particles were also presented.
Keywordnanoparticle martensitic transformation gamma-Fe(N)
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000173742700003
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/113835
Collection中国科学院金属研究所
Corresponding AuthorZhao, XQ
Affiliation1.Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China
2.So Inst Met, Dept Mat Engn, Ganzhou 341000, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhao, XQ,Li, YS,Liang, Y,et al. Martensitic transformations of Fe(N) nanoparticles[J]. ACTA METALLURGICA SINICA,2002,38(1):11-16.
APA Zhao, XQ,Li, YS,Liang, Y,&Hu, ZQ.(2002).Martensitic transformations of Fe(N) nanoparticles.ACTA METALLURGICA SINICA,38(1),11-16.
MLA Zhao, XQ,et al."Martensitic transformations of Fe(N) nanoparticles".ACTA METALLURGICA SINICA 38.1(2002):11-16.
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