Metal treatment – Process of modifying or maintaining internal physical... – Carburizing or nitriding using externally supplied carbon or...
Patent
1991-03-21
1994-06-14
Roy, Upendra
Metal treatment
Process of modifying or maintaining internal physical...
Carburizing or nitriding using externally supplied carbon or...
148206, 148212, 148237, 428660, C21D 900, C22C 1400
Patent
active
053206860
ABSTRACT:
Objects of titanium or titanium alloys having the surface converted to a hard and wear-resistant nitride layer with good adhesion, which is distributed uniformly and also provides internal capillaries. The objects are produced by being treated in a vacuum furnace with an atmosphere of pure nitrogen gas at a temperature of 650.degree.-1000.degree. C. and at a pressure below atmospheric pressure. The thickness of the nitride layer can be controlled by controlling the treatment time and temperature.
REFERENCES:
patent: 2804410 (1957-08-01), Wyatt et al.
patent: 3642546 (1972-02-01), Van Thyne
patent: 3643658 (1972-02-01), Steinemenan
patent: 4511411 (1985-04-01), Brunner et al.
patent: 4768757 (1988-09-01), Nakamura et al.
patent: 4902359 (1990-02-01), Takeuchi et al.
patent: 5114500 (1992-05-01), Tahara et al.
Fedirko et al., English Trans. Fiz. Khim. Mekhanika Mat. No. 5, (1990), pp. 76-79.
Fedirko et al., Fiz. Khim. Mekh. Mater., 26(5), 1990, pp. 76-79, "abstract".
Badini et al., Jour. Less-Common Metals, 143, (1988), 129.
Johansson Erik
Westberg Helena
Roy Upendra
Tisurf International AB
LandOfFree
Method of producing integral, hard nitride layer on titanium/tit does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of producing integral, hard nitride layer on titanium/tit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of producing integral, hard nitride layer on titanium/tit will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1246076