METHOD OF VACUUM BRAZING ALUMINUM, FURNACE FOR VACUUM BRAZING ALUMINUM, AND ALUMINUM BRAZING SHEET FOR VACUUM BRAZING

摘要

A brazing sheet for vacuum brazing is provided wherein the sheet is cladded with an aluminum alloy brazing filler metal having a content of Mg sufficient for vacuum brazing but less than 1.2 wt. % and wherein the Mg2Si particle size among Mg contained in the metal is not more than 5 mu m as a typical value.