Brazing method of an aluminum material
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United States of America Patent
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app pub date -
Dec 1, 2005
filing date -
Jun 4, 2003
priority date (Note) -
Abandoned
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Abstract
A method of brazing an aluminum material, which contains: using an aluminum alloy brazing sheet, wherein an aluminum alloy containing 0.2 to 1 mass % of Mg is used for a core alloy; the brazing sheet, in which an Mg amount in a filler alloy is 0.05 mass % or less, is used; and the brazing is carried out by using a brazing furnace that has at least two chambers for brazing in an inert gas atmosphere under a heating condition of a temperature-rising time of within 12 minutes from a temperature exceeding 200.degree. C., to 570.degree. C.; a brazing furnace and an aluminum alloy brazing sheet, each of which is used in the method; and a heat exchanger, which is produced by the method.
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