VACUUM BRAZING SHEET FOR ALUMINUM
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专利名称：VACUUM BRAZING SHEET FOR ALUMINUM 申请号：JP382783
申请日：19830113
公开号：JPS59110843U
公开日：
19840726
专利内容由知识产权出版社提供
摘要：PURPOSE:To obtain the titled brazing sheet with high suitability to brazing and superior resistance to grooving due to erosion by using a brazing filler metal made of an Al alloy having a specified composition consisting of Si, Mg, Bi, Be and Al as a shell material and a corrosion resistant Al alloy as a core material. CONSTITUTION:One side or both sides of a core material made of a corrosion resistant Al alloy are clad with a brazing filler metal made of an Al alloy consisting of, by weight, 7-13% Si, 0.4-2% Mg, 0.01-0.2% Bi, 0.0005-0.01% Be and the balance Al with inevitable impurities as a shell material to obtain a vacuum brazing sheet for Al. The sheet forms a satisfactory fillet in vacuum brazing and inhibits grooving due to erosion, so a sound vacuum-brazed article can be obtd.
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