Open AccessDeformation induced martensite characterization in Fe-30%Ni-5%Cu alloy
Author(s) -
E. Güler,
M. Güler
Publication year - 2012
Publication title -
journal of mining and metallurgy section b metallurgy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.42
H-Index - 20
eISSN - 2217-7175
pISSN - 1450-5339
DOI - 10.2298/jmmb110411019g
Subject(s) - austenite , martensite , materials science , alloy , scanning electron microscope , differential scanning calorimetry , deformation (meteorology) , metallurgy , optical microscope , crystallography , diffraction , cubic crystal system , composite material , microstructure , optics , thermodynamics , chemistry , physics
Deformation induced martensite properties were examined according to existing martensite morphology, crystallography and formation temperatures for different prior austenite homogenization conditions in Fe-30%Ni-5%Cu alloy. Scanning electron microscope (SEM), differential scanning calorimetry (DSC) and X-ray diffraction (XRD) techniques were employed to investigation. Scanning electron microscope observations showed elongated deformation induced martensite morphology in the austenite phase of alloy. As well, after deformation martensite start temperatures (Ms) were determined as -101°C and -105°C from DSC measurements for different homogenization conditions. In addition, X-ray diffraction analysis revealed the face centred cubic (fcc) of austenite phases and body centred cubic (bcc) deformation induced martensite phases for all studied samples
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