Production of thin flat articles with hardened surfaces

Details Production of thin flat articles with hardened surfaces Production of thin flat articles with hardened surfaces

1986-03-18

1987-12-15

Dean, R.

Metal treatment

Compositions

Heat treating

148 165, 148 203, 148131, C21D 174

Patent

active

047131225

ABSTRACT:
Thin metal articles of pre-determined shape are given a first treatment to provide a hardened surface and a second treatment to correct distortion caused by the hardening treatment. The hardening is provided an epsilon nitride layer and the corrective treatment is a heat treatment at 150.degree. to 600.degree. C., which will correct the distortion without reducing the hardness of the epsilon nitride layer.

REFERENCES:
patent: 1535191 (1925-04-01), Wemp
patent: 2814580 (1957-11-01), Hoover
patent: 3510367 (1970-05-01), Berger
patent: 3806379 (1974-04-01), Darr
patent: 4496401 (1985-01-01), Dawes et al.

Affiliated with

Also associated with

Rating

Production of thin flat articles with hardened surfaces does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Production of thin flat articles with hardened surfaces, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Production of thin flat articles with hardened surfaces will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1218123