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Corrosion of Stainless Steels with „Soft” martensitic Structure

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Mitelea I., Bordeasu I., Popoviciu M., Hadar A.,

Editorial: Revista de chimie, Vol.58, Nr.2, p.254-257, 2007.


One of the most efficient methods for prevention or slowing down the corrosion is the improved selection of chemical resistance of the employed material and the optimization of the microstructure by adequate heat treatments. The present work is concerned with characterizing the corrosion resistance of four martensitic stainless steels, cast by SC UCM Resita after genuine recipe and having a content of (13…17)% chromium and (0…4)% nickel. Before the corrosion tests the specimens were subjected to a heat treatment consisting in a body martensitic quenching from the austenitic domain (980…1090 ºC), followed by tempering at approximately 600 ºC. The tests were carried out in acetic acid and synthetic seawater both at room and boiling temperature

Cuvinte cheie: coroziune, mediu, compoziţie chimicã, oţel inoxidabil, microstructurã, tratament termic // corrosion, environment, chemical composition, stainless steel, microstructure, heat treatment