What is it about?
Abstract Heat treatment is necessary for duplex stainless steel (DSS) to remove or dissolve intermetallic phases, to remove segregation and to relieve any residual thermal stress in DSS, which may be formed during production processes. In the present study, the corrosion resistance of a DSS in artificial saliva was studied by potentiodynamic measurements. The microstructure was investigated by scanning electron microscopy (SEM) ,x-ray diffraction (XRD) and Vickers hardness (HV). The properties were tested in as–received and in thermally treated conditions (800–900 °C, 2–8 min). The research aims to evaluate the capability of DSS for orthodontic applications, in order to substitute the austenitic grades. The results indicate that the corrosion resistance is mainly affected by the ferrite/ austenite ratio. The best result was obtained with a treatment at 900 °C for 2 min.
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Why is it important?
The present study aims to explore the effect of heat treatment on the electrochemical behavior of DSS 2205 in artificial saliva.
Perspectives
The current outcomes have shown that SAF 2205 have excellent resistance to corrosion. This makes them valuable for a particular application, especially in the orthodontic field.
Prof. Dr Eng. Ali Sabea Hammood
University of Kufa -Faculty of Engineering -Materials Engineering Department
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This page is a summary of: Effect of heat treatment on corrosion behavior of duplex stainless steel in orthodontic applications, Materials Research Express, December 2017, Institute of Physics Publishing,
DOI: 10.1088/2053-1591/aa9c02.
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