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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 25 (1974), S. 896-899 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Influence of stress on the sensitivity of an austenitic chromium-nickel steel to stress corrosion crackingThe transcrystalline stress corrosion cracking of a chromium-nickel steel (German designation X 5 CrNi I8 9) in 35 % magnesium chloride solution at 150°C exhibits a well defined limit at the 0.01 %yield stress. In the range of intermediate stresses the stress corrosion resistance increases as the load is increased. This behaviour may be interpreted in terms of the time required for the formation of stable cracks. This mechanism apparently follows the gliding step-repassivation model involving a reduction in height of the gliding steps and the influence of a cathodic protection due to the reduction of the mixed potential.
    Notes: Die transkristallin verlaufende Spannungsrißkorrosion des Stahles X 5 CrNi 18 9 zeigt in 35 %iger Lösung von Magnesiumchlorid bei 150°C eine eindeutige Grenzspannung bei der 401 %Dehnungsgrenze. Im Bereich mittlerer Spannungen nimmt der Widerstand gegen Spannungsrißkorrosion mit steigender Spannung zu. Für dieses Verhalten ist im wesentlichen die Zeit bis zur Ausbildung stabiler Risse verantwortlich, was nach dem Gleitstufen-Repassivierungs-Modell durch Abnahme der Höhe der Gleitstufen und durch die Wirkung eines kathodischen Schutzes infolge der Absenkung des Misch- potentials gedeutet werden kunn.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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