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:
Oct. 16, 2012

Filed:

May. 10, 2010
Applicants:

Xuemin Chen, Guangdong, CN;

Qingdong YE, Guangdong, CN;

Jianguo LI, Guangdong, CN;

Chaowen Liu, Guangdong, CN;

Yueming Yu, Guangdong, CN;

Inventors:

Xuemin Chen, Guangdong, CN;

Qingdong Ye, Guangdong, CN;

Jianguo Li, Guangdong, CN;

Chaowen Liu, Guangdong, CN;

Yueming Yu, Guangdong, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for controlling variations of Al—Ti—B alloy crystal grain refinement ability through controlling a compression ratio of sectional area of Al—Ti—B alloy including: A. establishing a relationship between variations of refinement ability of Al—Ti—B alloy crystal grain and parameters of press process of the Al—Ti—B alloy; setting the parameters of press process and controlling the variation of the refinement ability of the Al—Ti—B alloy crystal grain through controlling a value of the compression ratio.


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