The formation of ε-Fe3-2N phase in a nanocrystalline Fe

W. P. Tong; N. R. Tao; Z. B. Wang; H. W. Zhang; J. Lu; K. Lu

doi:10.1016/j.scriptamat.2003.11.022

The formation of ε-Fe_3-2N phase in a nanocrystalline Fe

W. P. Tong
, N. R. Tao
, Z. B. Wang
, H. W. Zhang
, J. Lu
, K. Lu

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

76 Citations (Scopus)

Abstract

The formation of ε-Fe_3-2N phase in a nc pure Fe sample was investigated. The nc Fe sample was prepared by means of the surface mechanical attrition treatment (SMAT) technique. Formation of εFe_3-2N phase in the nc α-Fe was observed when the nitrogen potential was below the critical value for the coarse-grained Fe. The results show that the enhanced nitriding kinetics of nc α-Fe in the SMAT sample can be attributed to the much increased heterogeneous nucleation rate at numerous grain boundaries in the nanocrystalline α-Fe.

Original language	English
Pages (from-to)	647-650
Journal	Scripta Materialia
Volume	50
Issue number	5
DOIs	https://doi.org/10.1016/j.scriptamat.2003.11.022
Publication status	Published - Mar 2004
Externally published	Yes

Research Keywords

Iron
Nanocrystalline materials
Nitriding
Surface mechanical attrition treatment (SMAT)

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10.1016/j.scriptamat.2003.11.022

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Cite this

@article{55d51a0ff8d44c49ad633e7fba58a516,

title = "The formation of ε-Fe3-2N phase in a nanocrystalline Fe",

abstract = "The formation of ε-Fe3-2N phase in a nc pure Fe sample was investigated. The nc Fe sample was prepared by means of the surface mechanical attrition treatment (SMAT) technique. Formation of εFe3-2N phase in the nc α-Fe was observed when the nitrogen potential was below the critical value for the coarse-grained Fe. The results show that the enhanced nitriding kinetics of nc α-Fe in the SMAT sample can be attributed to the much increased heterogeneous nucleation rate at numerous grain boundaries in the nanocrystalline α-Fe.",

keywords = "Iron, Nanocrystalline materials, Nitriding, Surface mechanical attrition treatment (SMAT)",

author = "Tong, \{W. P.\} and Tao, \{N. R.\} and Wang, \{Z. B.\} and Zhang, \{H. W.\} and J. Lu and K. Lu",

year = "2004",

month = mar,

doi = "10.1016/j.scriptamat.2003.11.022",

language = "English",

volume = "50",

pages = "647--650",

journal = "Scripta Materialia",

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TY - JOUR

T1 - The formation of ε-Fe3-2N phase in a nanocrystalline Fe

AU - Tong, W. P.

AU - Tao, N. R.

AU - Wang, Z. B.

AU - Zhang, H. W.

AU - Lu, J.

AU - Lu, K.

PY - 2004/3

Y1 - 2004/3

N2 - The formation of ε-Fe3-2N phase in a nc pure Fe sample was investigated. The nc Fe sample was prepared by means of the surface mechanical attrition treatment (SMAT) technique. Formation of εFe3-2N phase in the nc α-Fe was observed when the nitrogen potential was below the critical value for the coarse-grained Fe. The results show that the enhanced nitriding kinetics of nc α-Fe in the SMAT sample can be attributed to the much increased heterogeneous nucleation rate at numerous grain boundaries in the nanocrystalline α-Fe.

AB - The formation of ε-Fe3-2N phase in a nc pure Fe sample was investigated. The nc Fe sample was prepared by means of the surface mechanical attrition treatment (SMAT) technique. Formation of εFe3-2N phase in the nc α-Fe was observed when the nitrogen potential was below the critical value for the coarse-grained Fe. The results show that the enhanced nitriding kinetics of nc α-Fe in the SMAT sample can be attributed to the much increased heterogeneous nucleation rate at numerous grain boundaries in the nanocrystalline α-Fe.

KW - Iron

KW - Nanocrystalline materials

KW - Nitriding

KW - Surface mechanical attrition treatment (SMAT)

UR - https://www.scopus.com/pages/publications/0346093888

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-0346093888&origin=recordpage

U2 - 10.1016/j.scriptamat.2003.11.022

DO - 10.1016/j.scriptamat.2003.11.022

M3 - RGC 21 - Publication in refereed journal

SN - 1359-6462

VL - 50

SP - 647

EP - 650

JO - Scripta Materialia

JF - Scripta Materialia

IS - 5

ER -