COPPER-BASED ALLOY AND STRUCTURAL MATERIAL COMPRISING SAME

Title:

COPPER-BASED ALLOY AND STRUCTURAL MATERIAL COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2011/152009

Kind Code:

A1

Abstract:

Disclosed are: a copper-based alloy which contains 7.8 to 8.8 mass% of Al, 7.2 to 14.3 mass% of Mn and a remainder made up by Cu and unavoidable impurities, has a largest crystal grain diameter of more than 8 mm, has good shape memory properties, and enables the production of a structural material having a cross-section size suitable for use as a structure body or the like; and a structural material comprising the copper-based alloy. The copper-based alloy may additionally contain at least one element selected from the group consisting of Ni, Co, Fe, Ti, V, Cr, Si, Ge, Nb, Mo, W, Sn, Bi, Sb, Mg, P, Be, Zr, Zn, B, C, S, Ag and a mischmetal in the total amount of 0.001 to 5 mass%.

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Inventors:

ARAKI YOSHIKAZU (JP)
OMORI TOSHIHIRO (JP)
SUTOU YUJI (JP)
KOETAKA YUJI (JP)
IKAGO KOHJU (JP)
KAINUMA RYOSUKE (JP)
ISHIDA KIYOHITO (JP)
KUSAMA TOMOE (JP)

Application Number:

PCT/JP2011/002966

Publication Date:

December 08, 2011

Filing Date:

May 27, 2011

Export Citation:

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Assignee:

JAPAN COPPER DEV ASS (JP)
ARAKI YOSHIKAZU (JP)
OMORI TOSHIHIRO (JP)
SUTOU YUJI (JP)
KOETAKA YUJI (JP)
IKAGO KOHJU (JP)
KAINUMA RYOSUKE (JP)
ISHIDA KIYOHITO (JP)
KUSAMA TOMOE (JP)

International Classes:

C22C9/05; C22C9/01; C22F1/08; E04B1/58; E04B2/02; E04C5/02; E04C5/08; E04C5/12; C22F1/00

Foreign References:

JPH0762472A	1995-03-07
JP2000169920A	2000-06-20
JP2001020026A	2001-01-23
JP2009052097A	2009-03-12
JP2008138469A	2008-06-19
JP2006257765A	2006-09-28
JP3335224B2	2002-10-15
JP2009052097A	2009-03-12
JP3300684B2	2002-07-08

Other References:

SONG G; MA N; LI H-N: "Applications of shape memory alloys in civil structures", ENGINEERING STRUCTURES, vol. 28, 2006, pages 1266 - 1274
GRAESSER EJ; COZZARELLI FA.: "Shape memory alloys as new material for aseismic isolation", JOURNAL OF ENGINEERING MECHANICS, ASCE, vol. 117, 1991, pages 2590 - 2608
DOLCE M; CARDONE D; MARNETTO R.: "Implementation and testing of passive control devices on shape memory alloys", EARTHQUAKE ENGINEERING AND STRUCTURAL DYNAMICS, vol. 29, 2000, pages 945 - 968
SEPULVEDA A; BOROSCHEK R; HERRERA R; MORONI 0; SARRAZIN M: "Steel beam-column connection using copper-based shape memory alloy dampers", JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, vol. 64, 2008, pages 429 - 435
See also references of EP 2578707A4

Attorney, Agent or Firm:

HIROSE, TAKAYUKI (JP)
Takayuki Hirose (JP)

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