Title:
BRAZING SHEET, MANUFACTURING METHOD THEREFOR, AND ALUMINUM STRUCTURE BRAZING METHOD
Document Type and Number:
WIPO Patent Application WO/2017/208940
Kind Code:
A1
Abstract:
Provided are: a brazing sheet that can be used for both brazing performed using flux and brazing performed without using flux; a manufacturing method therefor; and a brazing method. The brazing sheet comprises: a core made of an aluminum material; an intermediate material that contains Mg: 0.40-3.0 mass%, the balance having chemical components made of Al and unavoidable impurities, and that is laminated on the core; and a brazing material that contains Si: 6.0-13.0 mass% and limits Mg to less than 0.050 mass%, the balance having chemical components made of Al and unavoidable impurities, and that is laminated on the intermediate material. The Mg content in the intermediate material M [mass%], the thickness of the intermediate material ti [µm], and the thickness of the brazing material tf [µm] satisfy the relationship in expression (1).
tf≥10.15×ln(M×ti)+3.7 (1)
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Inventors:
ITOH YASUNAGA (JP)
SAKODA SHOICHI (JP)
FUKUMOTO ATSUSHI (JP)
SAKODA SHOICHI (JP)
FUKUMOTO ATSUSHI (JP)
Application Number:
PCT/JP2017/019409
Publication Date:
December 07, 2017
Filing Date:
May 24, 2017
Export Citation:
Assignee:
UACJ CORP (JP)
International Classes:
C22C21/00; B23K1/00; B23K1/19; B23K31/02; B23K35/14; B23K35/22; B23K35/28; B23K101/14; B23K103/10
Domestic Patent References:
| WO2016056306A1 | 2016-04-14 |
Foreign References:
| JP2002273598A | 2002-09-25 | |||
| JP2013233552A | 2013-11-21 | |||
| JP2015030861A | 2015-02-16 | |||
| JP2014176892A | 2014-09-25 | |||
| JP2013220434A | 2013-10-28 | |||
| JP2015528852A | 2015-10-01 | |||
| JP2004025297A | 2004-01-29 | |||
| JP2017029989A | 2017-02-09 | |||
| JP2016215248A | 2016-12-22 | |||
| JP2017018996A | 2017-01-26 |
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
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