Theoretical Study of the Oxidation Behavior of Precipitation Hardening Steel

Journal Article · Thu Jan 21 00:00:00 EST 2010 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3322567· OSTI ID:21371494

Pistofidis, N; Vourlias, G; Chrissafis, K ^[1]; Psyllaki, P ^[2]

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1. Department of Physics, Aristotle University of Thessaloniki, 541 24 Thessaloniki (Greece)
2. Department of Mechanical Engineering, Technological Education Institute of Piraeus (TEI), 122 44 Egaleo (Greece)

The oxidation of precipitation hardening (PH) steels is a rather unexplored area. In the present work an attempt is made is made to estimate the kinetics of a PH steel. For this purpose specimens of the material under examination were isothermally heated at 850, 900 and 950 deg. C for 15 hr. Kinetics was based on TGA results. During heating a thick scale is formed on the substrate surface, which is composed by different oxides. The layer close to the substrate is compact and as a result it impedes corrosion. The mathematical analysis of the collected data shows that the change of the mass of the substrate per unit area versus time is described by a parabolic law.

• OSTI ID: 21371494
• Journal Information: AIP Conference Proceedings, Vol. 1203, Issue 1; Conference: 7. international conference of the Balkan Physical Union, Alexandroupolis (Greece), 9-13 Sep 2009; Other Information: DOI: 10.1063/1.3322567; (c) 2010 American Institute of Physics; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CORROSION
HEATING
LAYERS
OXIDATION
PRECIPITATION
PRECIPITATION HARDENING
SCANNING ELECTRON MICROSCOPY
STEELS
SUBSTRATES
SURFACES
TEMPERATURE DEPENDENCE
THERMAL GRAVIMETRIC ANALYSIS
ALLOYS
CARBON ADDITIONS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
ELECTRON MICROSCOPY
GRAVIMETRIC ANALYSIS
HARDENING
IRON ALLOYS
IRON BASE ALLOYS
MICROSCOPY
QUANTITATIVE CHEMICAL ANALYSIS
SEPARATION PROCESSES
THERMAL ANALYSIS
TRANSITION ELEMENT ALLOYS