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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.:

US 9951404 B1

PDFFull Text
Expired
Date of Patent:
Apr. 24, 2018

Filed:

Jul. 21, 2015

Methods for making high hardness, high toughness iron-base alloys

Applicant:

Ati Properties Llc, Albany, OR (US);

Inventors:

Ronald E. Bailey, Pittsburgh, PA (US);

Thomas R. Parayil, New Kensington, PA (US);

Glenn J. Swiatek, Palos Heights, IL (US);

Assignee:

ATI PROPERTIES LLC, Albany, OR (US);

Attorney:

K&L Gates LLP

Primary Examiner:

Jie Yang

Int. Cl.
CPC ...
C22C 38/54 (2006.01); C21D 9/00 (2006.01); C21D 9/46 (2006.01); C21D 6/00 (2006.01); C22C 38/52 (2006.01); C22C 38/50 (2006.01); C22C 38/46 (2006.01); C22C 38/06 (2006.01); C22C 38/00 (2006.01); C21D 1/56 (2006.01); C21D 7/13 (2006.01); C21D 8/02 (2006.01); C21D 9/42 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/44 (2006.01);
U.S. Cl.
CPC ...
C22C 38/54 (2013.01); C21D 1/56 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 7/13 (2013.01); C21D 8/0226 (2013.01); C21D 8/0263 (2013.01); C21D 9/0075 (2013.01); C21D 9/42 (2013.01); C21D 9/46 (2013.01); C22C 38/001 (2013.01); C22C 38/005 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/50 (2013.01); C22C 38/52 (2013.01);
Abstract

One aspect of the present disclosure is directed to low-alloy steels exhibiting high hardness and an advantageous level of multi-hit ballistic resistance with minimal crack propagation imparting a level of ballistic performance suitable for military armor applications. Certain embodiments of the steels according to the present disclosure have hardness in excess of 550 HBN and demonstrate a high level of ballistic penetration resistance relative to conventional military specifications.

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Bailey, Ronald. (2018). Methods for making high hardness, high toughness iron-base alloys (U.S. Patent No. 9951404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9951404

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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