Phase Transformations in ε-/γ'-Iron Nitride Compound Layers in the Temperature Range of 613 K - 693 K
2005 ◽
Vol 237-240
◽
pp. 1147-1152
◽
Keyword(s):
X Ray
◽
ε/γ'-iron nitride (ε-Fe3N1+x, γ'-Fe4N) compound layers with thicknesses of about 10 µm were grown on pure α-Fe by gas nitriding at 823 K followed by quenching and were annealed at different temperatures in the range of 613 K – 693 K for different periods of time. These heat treatments led to a redistribution of nitrogen within the compound layer as well as between the compound layer and the adjacent ferrite, inducing thickness changes of the ε- and γ'-layers. The changes were analysed by light microscopy, electron probe microanalysis and X-ray diffraction. Models to describe and interpret the phase transformations in the ε/γ'-iron nitride compound layers as a function of time and temperature are discussed.
Keyword(s):
2007 ◽
Vol 62
(11)
◽
pp. 1383-1389
◽
1996 ◽
Vol 11
(9)
◽
pp. 2142-2151
◽
2006 ◽
Vol 16
(2)
◽
pp. 85-91
◽
2013 ◽
Vol 702
◽
pp. 145-148
◽
Keyword(s):
2012 ◽
Vol 482-484
◽
pp. 1281-1284
Keyword(s):