SINGLE-LAYER ALUMINUM ALLOY MATERIAL FOR BRAZING, METHOD FOR PRODUCING SAME, ALUMINUM STRUCTURE, AND HEAT EXCHANGER

Title:

SINGLE-LAYER ALUMINUM ALLOY MATERIAL FOR BRAZING, METHOD FOR PRODUCING SAME, ALUMINUM STRUCTURE, AND HEAT EXCHANGER

Document Type and Number:

WIPO Patent Application WO/2023/243630

Kind Code:

A1

Abstract:

The single-layer aluminum alloy material for brazing (1) contains Si: 2.0 mass% to 3.0 mass%, Fe: 0.05 mass% to 0.40 mass%, Cu: 0.05 mass% to 0.25 mass%, Mn: 0.8 mass% to 1.6 mass%, Zn: 1.0 mass% to 3.0 mass%, with the remainder being composed of Al and unavoidable impurities, and has a chemical components such that the ratio Fe/Cu of the content of Fe to the content of Cu is 1.2 to 5.0, the total of the content of Fe and the content of Cu is 0.25 mass% to 0.65 mass%, and the ratio Cu/Zn of the content of Cu to the content of Zn is 0.02 to 0.40.

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Inventors:

NAKAMURA SHINICHI (JP)
TOTANI YUKI (JP)
DOKO TAKEYOSHI (JP)

Application Number:

PCT/JP2023/021898

Publication Date:

December 21, 2023

Filing Date:

June 13, 2023

Export Citation:

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Assignee:

UACJ CORP (JP)

International Classes:

C22C21/00; B23K35/28; F28F21/08

Domestic Patent References:

WO2017179625A1	2017-10-19
WO2014196183A1	2014-12-11
WO2018047971A1	2018-03-15

Foreign References:

JP2020514556A	2020-05-21
JPH09302432A	1997-11-25

Attorney, Agent or Firm:

AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)

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