Characterization of precipitates formed in a ferritic stainless steel stabilized with Zr and Ti additions

Journal Article · Wed Mar 15 04:00:00 EST 2006 · Materials Characterization

DOI:https://doi.org/10.1016/j.matchar.2005.05.006· OSTI ID:20833188

Cavazos, J L ^[1]

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1. Universidad Autonoma de Nuevo Leon, Pedro de Alba sin Numero, Cd. Universitaria, San Nicolas de los Garza, NL, 66450 (Mexico)

A new ferritic stainless steel was designed based on thermodynamic and kinetic principles. The alloy was subjected to thermomechanical processing using both hot and cold rolling, and annealing, and the alloy's microstructure was characterized. In addition, the resistance to intergranular corrosion was determined. The alloying elements used to stabilize the alloy were Zr and Ti. After cold rolling and annealing the alloy exhibited very good intergranular corrosion resistance. The alloy did not show chromium carbides or chromium nitrides on the grain boundaries. Instead, it showed precipitates of either carbides or nitrides of Zr and Ti within the grains. That is, the alloy was completely stabilized.

• OSTI ID: 20833188
• Journal Information: Materials Characterization, Journal Name: Materials Characterization Journal Issue: 2 Vol. 56; ISSN 1044-5803; ISSN MACHEX
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ANNEALING
CHROMIUM CARBIDES
CHROMIUM NITRIDES
FERRITIC STEELS
GRAIN BOUNDARIES
INTERGRANULAR CORROSION
ROLLING
STAINLESS STEELS
TITANIUM ADDITIONS
ZIRCONIUM ADDITIONS