Reactive heat treatment to form pearlite from an iron...

Details Reactive heat treatment to form pearlite from an iron... Reactive heat treatment to form pearlite from an iron...

2005-09-13

2005-09-13

King, Roy (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Carburizing or nitriding using externally supplied carbon or...

C148S233000

Reexamination Certificate

active

06942739

ABSTRACT:
The present invention is directed to a process for producing pearlite from an iron containing article comprising the steps of, (a) heating an iron containing article comprising at least 50 wt % iron for a time and at a temperature sufficient to convert at least a portion of said iron from a ferritic structure to an austenitic structure, (b) exposing said austenitic structure, for a time sufficient and at a temperature of about 727 to about 900° C., to a carbon supersaturated environment to diffuse carbon into said austenitic structure and (c) cooling said iron containing article to form a continuous pearlite structure.

REFERENCES:
patent: 3873375 (1975-03-01), Bolen et al.
patent: 4202710 (1980-05-01), Naito et al.
patent: 4461655 (1984-07-01), Kerridge
patent: 4921025 (1990-05-01), Tipton et al.
patent: 5869195 (1999-02-01), Ramanarayanan et al.
patent: 5997286 (1999-12-01), Hemsath et al.
patent: 6258179 (2001-07-01), Takayama et al.
patent: 6287393 (2001-09-01), Garg et al.
patent: 02-185960 (1990-07-01), None
patent: 03-044414 (1991-02-01), None
patent: 04-337024 (1992-11-01), None
patent: 05-059427 (1993-03-01), None
patent: 05-059527 (1993-03-01), None
Stickels, “Gas Carburizing”, from ASM Handbook, vol. 4: Heat Treating, pub. by ASM International, 1995, pp. 312-324.

Affiliated with

Also associated with

Rating

Reactive heat treatment to form pearlite from an iron... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reactive heat treatment to form pearlite from an iron..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reactive heat treatment to form pearlite from an iron... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3376091