Thermally treated carbide material

Details Thermally treated carbide material Thermally treated carbide material

2007-11-20

2007-11-20

McNeil, Jennifer C. (Department: 1775)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S457000

Reexamination Certificate

active

10783934

ABSTRACT:
The thermally treated carbide materials are made by placing a carbide within a thermal control apparatus and subjecting the carbide to one or more thermal cycles. The first thermal cycles involves introducing a cryogenic material into the thermal control apparatus decreasing the carbide temperature, while preventing over-stressing of the carbide, to a first target temperature at a first temperature rate. The carbide temperature is then increased to a second target temperature at a second temperature rate. The second thermal cycle involves introducing the cryogenic material to decrease the carbide temperature, while preventing over-stressing, to a third temperature at a third temperature rate ranging. The temperature is then increased to a fourth temperature at a fourth temperature rate. The result of the process is a treated carbide without fractures.

REFERENCES:
patent: 4739622 (1988-04-01), Smith
patent: 5031063 (1991-07-01), Hasegawa
patent: 5259200 (1993-11-01), Kamody
patent: 5263886 (1993-11-01), Workman
patent: 5447035 (1995-09-01), Workman et al.
patent: 5512235 (1996-04-01), Cerutti et al.
patent: 5865913 (1999-02-01), Paulin et al.
patent: 6141974 (2000-11-01), Waldmann et al.
patent: 6164079 (2000-12-01), Waldmann et al.
patent: 6314743 (2001-11-01), Hutchison
patent: 6537396 (2003-03-01), Ijames
patent: 6544669 (2003-04-01), Groll
patent: 2002/0179204 (2002-12-01), Brunson
Earl A. Carlson, Cold Treating and Cryogenic Treatment of Steel, ASM Handbook, vol. 4, pp. 203-206, Mar. 2001.

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