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. 02, 2013
Filed:
Oct. 29, 2008
Applicants:
Jian LU, Hong Kong, CN;
Aiying Chen, Hong Kong, CN;
Inventors:
Jian Lu, Hong Kong, CN;
Aiying Chen, Hong Kong, CN;
Assignee:
The Hong Kong Polytechnic University, Kowloon, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 7/13 (2006.01); C22C 38/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing a nanostructured austenitic sheet by consecutive martensite and austenite phase (γ/α') transformations, in which the coarse grained austenite sheet transforms to nanocrystalline martensite by strain-induced transformation, and then generates reverse transformation to nanostructured austenite by warm rolling due to dynamic recrystallization.