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Scuffing performance of a hard coating under EHL conditions at sliding speeds up to 16m∕s and contact pressures up to 2.0GPa / R. W. Snidle in Transactions of the ASME . Journal of tribology, Vol. 130 n°2 (Mars/Avril 2008) 

Public ISBD [article]  in Transactions of the ASME . Journal of tribology > Vol. 130 n°2 (Mars/Avril 2008) . - 10 p. Titre : Scuffing performance of a hard coating under EHL conditions at sliding speeds up to 16m∕s and contact pressures up to 2.0GPa Type de document : texte imprimé Auteurs : R. W. Snidle, Auteur ; A. K. Dhulipalla, Auteur ; H. P. Evans, Auteur Année de publication : 2008 Article en page(s) : 10 p. Note générale : Tribology Langues : Anglais (eng) Résumé : Scuffing experiments were conducted using 76mm diameter disks both with and without a metal-containing, carbon-based hard coating. The operating conditions in the experiments were severe with sliding speeds up to 16m∕s and maximum Hertzian contact pressures up to 2.0GPa. The disks were of alloy steel, which was case carburized and hardened followed by axial grinding. Four different surface conditions were investigated as follows: ground/uncoated, ground/coated, superfinished/uncoated, and superfinished/coated. Experiments were also carried out in which ground/coated disks were run against ground/uncoated disks. The results of the experiments show that the addition of the hard coating to the ground disks significantly improved both their scuffing resistance and frictional behavior, but the coating was less effective in producing an improvement in the durability and friction of the superfinished disks. En ligne : http://tribology.asmedigitalcollection.asme.org/article.aspx?articleid=1468002 [article] Scuffing performance of a hard coating under EHL conditions at sliding speeds up to 16m∕s and contact pressures up to 2.0GPa [texte imprimé] / R. W. Snidle, Auteur ; A. K. Dhulipalla, Auteur ; H. P. Evans, Auteur . - 2008 . - 10 p. Tribology Langues : Anglais (eng) in Transactions of the ASME . Journal of tribology > Vol. 130 n°2 (Mars/Avril 2008) . - 10 p. Résumé : Scuffing experiments were conducted using 76mm diameter disks both with and without a metal-containing, carbon-based hard coating. The operating conditions in the experiments were severe with sliding speeds up to 16m∕s and maximum Hertzian contact pressures up to 2.0GPa. The disks were of alloy steel, which was case carburized and hardened followed by axial grinding. Four different surface conditions were investigated as follows: ground/uncoated, ground/coated, superfinished/uncoated, and superfinished/coated. Experiments were also carried out in which ground/coated disks were run against ground/uncoated disks. The results of the experiments show that the addition of the hard coating to the ground disks significantly improved both their scuffing resistance and frictional behavior, but the coating was less effective in producing an improvement in the durability and friction of the superfinished disks. En ligne : http://tribology.asmedigitalcollection.asme.org/article.aspx?articleid=1468002