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Title:
TITANIUM SHEET HAVING HIGH STRENGTH AND EXCELLENT PRESS FORMABILITY
Document Type and Number:
Japanese Patent JP2012214860
Kind Code:
A
Abstract:

To provide a titanium sheet having high strength and excellent press formability, and to provide a method for producing the titanium sheet.

The titanium sheet contains, by mass%, 0.04 to 0.06% Fe, 0.07 to 0.11% O, and the balance Ti and unavoidable impurities, wherein the average value of the Schmid factors in twin deformation {11-22}<11-23> at the time of drawing in a rolling direction on a rolling surface of a (1/4)t (t is a sheet thickness) section is 0.40 or more. The average crystal grain size of 100 crystal grains with larger sizes among the crystal grains (α-phase) which are present in a plane of (1 mm×1 mm) of the (1/4)t (t is a sheet thickness) section is preferably 75 to 200 μm.


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Inventors:
KUDO TAKESHI
MURAKAMI SHOGO
Application Number:
JP2011082064A
Publication Date:
November 08, 2012
Filing Date:
April 01, 2011
Export Citation:
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Assignee:
KOBE STEEL LTD
International Classes:
C22C14/00; C22F1/18; C22F1/00
Domestic Patent References:
JP2009215601A2009-09-24
JP2010150607A2010-07-08
JP2010255085A2010-11-11
JPH1030160A1998-02-03
JP2011026649A2011-02-10
JP2009215601A2009-09-24
JP2010150607A2010-07-08
JP2010255085A2010-11-11
Attorney, Agent or Firm:
Takenaka Yoshimichi
Seiji Kameoka
Hironori Takenaka
Toru Sakatani



 
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