POLARIZATION AND RESISTIVITY MEASUREMENTS OF POST-CRYSTALLIZATION CHANGES IN AMORPHOUS FE-B-SI ALLOYS

Authors
CHATTORAJ I BHATTAMISHRA AK MITRA A
Citation
I. Chattoraj et al., POLARIZATION AND RESISTIVITY MEASUREMENTS OF POST-CRYSTALLIZATION CHANGES IN AMORPHOUS FE-B-SI ALLOYS, Corrosion, 49(9), 1993, pp. 707-713
Citations number
29
Categorie Soggetti
Metallurgy & Mining
Journal title
Corrosion → ACNP
ISSN journal
00109312
Volume
49
Issue
9
Year of publication
1993
Pages
707 - 713
Database
ISI
SICI code
0010-9312(1993)49:9<707:PARMOP>2.0.ZU;2-P
Abstract
The effects of grain growth and compositional changes on the electroch emical behavior and the resistivity of amorphous iron-boron-silicon (F e77.5B15Si7.5) alloys after crystallization were studied. Deterioratio n of the protective passive film was observed, along with increased an nealing. Potentiodynamic polarization provided excellent information a bout microstructural and chemical changes. It was concluded that elect rochemical measurements could be used in conjunction with resistivity measurements in direct studies of grain growth and chemical changes oc curring in different phases of the devitrified alloy.