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Title:
TITANIUM COMPOSITE MATERIAL, AND TITANIUM MATERIAL FOR USE IN HOT ROLLING
Document Type and Number:
WIPO Patent Application WO/2017/018508
Kind Code:
A1
Abstract:
This titanium composite material 1 is provided with an inner layer 5 comprising an industrial pure titanium or titanium alloy, a surface layer 3 which is formed on at least one side of the inner layer 5 and which has a chemical composition different from that of the inner layer 5, and an intermediate layer which is formed between the inner layer 5 and surface layers 3 and which has a chemical composition different from that of the inner layer 5, wherein surface layers 3 have a thickness of no less than 2 µm and make up no more than 40% of the total thickness per side, and the intermediate layer has a thickness of no less than 0.5 µm. This titanium composite material has prescribed characteristics despite being inexpensive.

Inventors:
TATSUZAWA YOSHITSUGU (JP)
KUNIEDA TOMONORI (JP)
MITSUDA KOJI (JP)
MORI KENICHI (JP)
TAKAHASHI KAZUHIRO (JP)
FUJII HIDEKI (JP)
KITAURA TOMOYUKI (JP)
Application Number:
PCT/JP2016/072330
Publication Date:
February 02, 2017
Filing Date:
July 29, 2016
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
B21B1/02; B21B3/00; C22C14/00; B23K15/00; B23K20/04; C22F1/00; C22F1/18
Domestic Patent References:
WO2014163087A12014-10-09
Foreign References:
US5579988A1996-12-03
JP2014233753A2014-12-15
JPS6380904A1988-04-11
JPS62124265A1987-06-05
Other References:
See also references of EP 3330012A4
Attorney, Agent or Firm:
BRIGHTAS IP ATTORNEYS (JP)
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