Effect of Nitrogen Pressure During Heating and Ti Content on Corrosion Resistance and Electrical Conductivity of High Nitrogen Stainless Steels Prepared by the Solution Nitriding

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  • 固相窒素吸収法を用いて作製した高窒素ステンレス鋼の耐食性および接触抵抗に及ぼす昇温時の窒素分圧条件とTi添加量の影響

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<p>This study focuses on the production of high-nitrogen stainless steel by solution nitriding as a low-cost and mass-production of bipolar plates for PEFCs. We investigate the effect of nitrogen pressure during heating on the corrosion resistance and contact resistance of high-nitrogen stainless steels. In the solution nitriding of 22Cr ferritic stainless steel, higher nitrogen pressure promoted austenitization of the matrix phase and improved corrosion resistance. However, much higher nitrogen pressure promoted the coarsening of nitrides on the surface and reduced corrosion resistance.</p>

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  • Corrosion Engineering

    Corrosion Engineering 73 (6), 143-148, 2024-06-10

    Japan Society of Corrosion Engineering

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