Damage of Ti-stabilized interstitial free steel by gas corrosion
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Degradation of Ti-stabilized interstitial free steel and damage of this steel caused by selective oxidation during 60 s of recrystallization annealing at 820 degrees C under the different compositions of protective H(2)-N(2) atmosphere at low dew point (-40 degrees C) was investigated using X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and energy dispersive spectrometry (EDS). During the high-temperature annealing the reduction of the native Fe-oxide layer occurred. Results of the analyses also showed that Mn, Al and Si oxide particles are the main products of selective external and internal oxidation. Moreover, appearance of greater nonwetted surface areas was caused by the increase of the H(2) content in gas atmosphere, which favours external oxidation.
Кључне речи:Ti-IF steel / selective oxidation / material damage / XPS / SEM / EDS
Извор:Kovove Materialy = Metallic Materials, 2008, 46, 5, 297-300
- Ministry of Science and Technological Development of the Republic of Serbia 
ISSN: 0023-432X (print)