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Austempering of martensitic stainless steels and the influence to corrosion resistance

  • Martensitic stainless steels has a wide use, for example for blades, knifes or cutter. The best corrosion resistance of these materials is in hardened condition. For better mechanical properties a tempering is normally applied to increase the durability. The tempering is also reducing the hardness and finally the corrosion resistance. Austempering is meanly used at low alloyed steels and brings a good compromise between durability, hardness and corrosion resistance. For martensitic stainless steels, austempering is normally not a topic because of the very long tempering times. This work shows first results of austempering of some standard martensitic stainless steels and the influence to corrosion resistance. For reference, hardened and also hardened and tempered specimens were investigated. The corrosions resistance was investigated by electrochemical methods.

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Author:Matthias Sorg, Paul GümpelGND, Arnulf HörtnaglGND
Parent Title (English):European Corrosion Congress (EUROCORR 2019), 09.-13.09.2019, Sevilla, Spain (Poster Programme - Poster number: P-150)
Document Type:Conference Proceeding
Year of Publication:2019
Release Date:2020/01/16
Tag:Martensitic Stainless Steels; Corrosion Resistance
Page Number:1
Institutes:Institut für Werkstoffsystemtechnik Konstanz - WIK
Relevance:Externer wissenschaftlicher Fachvortrag oder Poster
Open Access?:Nein