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Title:
TITANIUM COMPOSITE MATERIAL, AND TITANIUM MATERIAL FOR USE IN HOT ROLLING
Document Type and Number:
WIPO Patent Application WO/2017/018513
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. The chemical composition of the surface layer 3 is B:0.1-3.0% and the remainder being titanium and impurities. This titanium composite material has prescribed neutron blocking properties despite being inexpensive.

Inventors:
TATSUZAWA, Yoshitsugu (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
KUNIEDA, Tomonori (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
MORI, Kenichi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
TAKAHASHI, Kazuhiro (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
FUJII, Hideki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2016/072335
Publication Date:
February 02, 2017
Filing Date:
July 29, 2016
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
International Classes:
B21B3/00; B21B1/38; B23K15/00; C22C14/00; C22F1/18; C23C24/08; C22F1/00; G21F1/08; G21F3/00
Domestic Patent References:
2014-10-09
Foreign References:
JP2012077346A2012-04-19
JPH01168833A1989-07-04
JP2002311190A2002-10-23
JP2006095589A2006-04-13
JPS5119819B21976-06-21
Attorney, Agent or Firm:
BRIGHTAS IP ATTORNEYS (2-5-10, Sonezaki Kita-ku, Osaka-sh, Osaka 57, 〒5300057, JP)
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