Plasma nitriding improvements of fatigue
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M.M. ToΕ‘iΔ; R. GligorijeviΔ
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Article
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1991
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Elsevier Science
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English
β 577 KB
Crankshafts of the pearlitic-sorbitic nodular cast iron type JUS NL .80 (similar to DIN GGG-80) heat treated to get a tensile strength of 820-900 GPa (i.e. a Vickers hardness of 268-295 HV) were plasma and ammonia gas nitrided. The glow discharge plasma nitriding was performed for 20 h at about 500