Method of producing parts having improved wear, fatigue and corr

Details Method of producing parts having improved wear, fatigue and corr Method of producing parts having improved wear, fatigue and corr

1995-07-11

1998-01-13

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Carburizing or nitriding using externally supplied carbon or...

148219, 148225, 148226, C23C 832, C23C 856, C23C 876

Patent

active

057074607

ABSTRACT:
Improved corrosion, wear and fatigue resistance is provided for pieces formed of medium alloy, low carbon steel by subjecting the piece to a treatment process which includes a step of carburizing, followed by nitriding. The process is especially useful for producing durable and low-cost steel parts, for example for certain automotive and marine applications, pumps (especially positive displacement pumps), chemical or food processing equipment, power tools, and the like. The blade-carrying reciprocating shaft for a reciprocating power saw is a specific example.

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patent: 5389161 (1995-02-01), Wawra et al.
"Salt Bath Nitridling Growing in Japan, Europe", Harry E. Chandler, Metals International (reprint)from Aug. 1986 issue of Metal Progress magazine).
"Investigation of Surface Layer and Wear Behavior of Nitrided Gear Drives", Claus Razim, Gear Technology, Mar./Apr. 1994, pp. 18-24.
"Basics of Salt Bath Nitriding", Mr. James r. Easterday, P.E., Proceedings from Salt Bath Nitriding Seminar, Oct. 29, 1985.
"The More Properties You Need--The More You Need Melonite.RTM.", Kolene Corporation, Copyright 1989 (Advertisement).
"Melonite.RTM.", Kolene Corporation, pp. 1-20 no date.

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