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Miura, Kazuma; Nakatsuyama, Kunio; Umeda, Minoru

doi:10.5796/electrochemistry.80.1012

Cited by 4 publications

(1 citation statement)

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“…The aim of this study is to improve the anti-corrosion property of Ni-free SUS445 stainless steel 13 in the H 2 SO 4 solution by nitriding surface treatment. The corrosion behavior of the SUS445 stainless steel before and after nitriding treatment was investigated and evaluated based on the Japanese Industrial Standards.…”

Section: Introductionmentioning

confidence: 99%

Influence of Nitriding Surface Treatment on Corrosion Characteristics of Ni-free SUS445 Stainless Steel

Shironita

Nakatsuyama

et al. 2016

Electrochemistry

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The heat treatments of Ni-free SUS445 stainless steel under nitrogen and argon gas atmospheres were conducted at 1373-1473 K in the present study. The heat-treated samples were characterized by an X-ray diffraction (XRD), glow discharge optical emission spectroscopy (GD-OES), and scanning electron microscopy (SEM) equipped with energy-dispersive X-ray spectroscopy (EDX). The corrosion behavior of the heat-treated samples was evaluated by linear sweep voltammetry (LSV) measurements in a 0.5 mol dm −3 H 2 SO 4 solution. The results revealed that the nitrided stainless steel at 1373 K presents the best corrosion resistance and the AlN, expanded austenite γ N , CrN and Cr 2 N phases appeared based on the XRD results. In contrast, the corrosion resistance of the heat-treated stainless steel under an argon atmosphere was decreased and there was no change in the microstructure.

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Section: Introductionmentioning

confidence: 99%