The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 29, 1997

Filed:

May. 29, 1996
Applicant:
Inventors:

Lee P Bendel, Lebanon, NJ (US);

Timothy Sardelis, Somerset, NJ (US);

Lawrence P Trozzo, South Somerville, NJ (US);

Leon K Stungurys, Middlesex, NJ (US);

Hugo R Florez, Bridgewater, NJ (US);

Jeffrey T Lavin, Milford, NJ (US);

Matthew J McGrane, Three Bridges, NJ (US);

Jeffrey K McVey, Lambertville, NJ (US);

Assignee:

Ethicon, Inc., Somerville, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148327 ; 420 53 ;
Abstract

A new and useful predictor for maraging stainless steel alloys is created, called the martensite finish temperature, M.sub.f (.degree. F.). This formula enables one to predict the temperature at which a steel is entirely converted to martensite, and is described as M.sub.f =1027--78% Ni--27% Ti--34% Mo. A desirable needle alloy for this amount is nickel at 10%, molybdenum at about 2.7%, and titanium at about 2%.


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