The influence of molibdenum on corrosion resistance of sintered austenitic stainless steels
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Molybdenum was introduced into sintered austenitic stainless steels to improve their corrosion resistance. The influence of different Mo contents on the pitting corrosion resistance of AISI 304L and 316L steels in 0.1 M sodium chloride solution has been investigated. The corrosion behaviour was evaluated by potentiodynamic polarisation method. Sintered Mo-containing 304L steel is less prone to pitting corrosion in environment containing chlorides than 316L with Mo addition. The introduction of molybdenum to 304L steel resulted in an improvement of corrosion resistance. This steel exhibits the highest value of polarisation resistance as well as the lowest value of corrosion rate.
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