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.
Patent No.:
Date of Patent:
Apr. 03, 1990
Filed:
Aug. 29, 1988
Applicant:
Inventors:
Arnold R Marder, Bethlehem, PA (US);
Mingyuan Gu, Bethlehem, PA (US);
Assignee:
Lehigh University, Bethlehem, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148127 ; 204 371 ; 427433 ;
Abstract
A process for producing a galvanneal layer on a steel substrate, including forming a Zn-Fe coating having a predetermined Fe content F (wt. %) on the steel substrate; and heat treating the Zn-Fe coating on the substrate from a predetermined starting temperature T.sub.1 (.degree.C.) to a predetermined ending temperature T.sub.2 (.degree.C.) at a predetermined heating rate R (.degree.C./min.), wherein F, T.sub.1, T.sub.2, and R are selected so that the following condition is met,