Electric heating – Metal heating – Weld rod composition
Reexamination Certificate
2006-03-22
2009-02-17
Bell, Bruce F (Department: 1795)
Electric heating
Metal heating
Weld rod composition
C219S145100, C219S145220, C219S146100, C219S146320, C219S146520
Reexamination Certificate
active
07491910
ABSTRACT:
An electrode to form a hardfacing alloy for use as a surfacing on metal that is subjected to high thermal and mechanical stresses. The electrode includes chromium, a metal sensitization inhibitor, and iron to form a hardfacing alloy.
REFERENCES:
patent: 4800131 (1989-01-01), Marshall et al.
patent: 5120931 (1992-06-01), Kotecki et al.
patent: 5519186 (1996-05-01), Sakurai et al.
patent: 6331688 (2001-12-01), Hallen et al.
patent: 6339209 (2002-01-01), Kotecki
patent: 6835913 (2004-12-01), Duncan et al.
patent: 7270719 (2007-09-01), Berglund
patent: 2004/0173592 (2004-09-01), Duncan
patent: 2006/0081579 (2006-04-01), Kotecki
patent: 2006/0144836 (2006-07-01), Karogal et al.
patent: 2006/0186103 (2006-08-01), Rajan
patent: 2007/0181549 (2007-08-01), Hartman et al.
patent: 1647351 (2006-04-01), None
patent: 8224691 (1996-03-01), None
Tribology International Erosive Wear Behaviour of Weld Hardfacing High Chromium Cast Irons: Effect of Erodent Particles—Feb. 2005 Retrieved from the Internet—www.sciencedirect.com.
H. Berns, A. Fischer: Microstructure of Fe—Cr—C hardfacing alloys with additions of Nb, Ti and B. Metallography, vol. 20, No. 4, Nov. 1987 pp. 401-429.
Fan et al.—Microstructure change caused by (Cr, Fe) 23C6 carbides in high chromium Fe—Cr—C hardfacing alloys. Surface and coatings technology, Elsevier, vol. 201, No. 3-4, Oct. 5, 2006.
Kapoor Ashish
Kotecki Damian
Melfi Teresa
Bell Bruce F
Fay Sharpe LLP
Lincoln Global Inc.
Turung Brian E.
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