Aluminum alloy for a welded construction and welded joint using the same
AssigneesFurukawa Electric Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha
InventorsSeizo Ueno, Yoichiro Bekki, Noboru Hayashi
Life of this patent
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Abstract
Disclosed is an Al alloy for a welded construction having excellent welding characteristics, which Al alloy comprises 1.5 to 5 wt % of Si (hereinafter, wt % is referred to as %), 0.2 to 1.5% of Mg, 0.2 to 1.5% of Zn, 0.2 to 2% of Cu, 0.1 to 1.5% of Fe, and at least one member selected from the group consisting of 0.01 to 1.0% of Mn, 0.01 to 0.2% of Cr, 0.01 to 0.2% of Ti, 0.01 to 0.2% of Zr, and 0.01 to 0.2% of V, with the balance being Al and inevitable impurities. Also disclosed is a welded joint having this Al alloy base metal welded with an Al—Mg- or Al—Si-series filler metal.
Claims15
A welded joint comprising:
- approximately 0.5 to 4% silicon;
- approximately 1.0 to 5.5% magnesium;
- approximately 0.05 to 1.4% copper;
- and
- a balance of aluminum including inevitable impurities.
A welded joint comprising:
- approximately 2.0 to 11% silicon;
- approximately 0.05 to 1.4% magnesium;
- approximately 0.05 to 1.8% copper;
- and
- a balance of aluminum including inevitable impurities.
A method of welding comprising:
- forming a joint between two pieces of aluminum alloy base metal wherein the aluminum alloy comprises a percent by weight of:
- approximately 1.5 to 5% silicon;
- approximately 0.2 to 1.5% magnesium;
- approximately 0.2 to 1.5% zinc;
- approximately 0.2 to 2% copper;
- approximately 0.1 to 1.5% iron;
- at least one additional ingredient selected from the group consisting of a percent by weight of approximately 0.01 to 1% manganese, 0.01 to 0.2% chromium, 0.01 to 0.2% titanium, 0.01 to 0.2% zirconium, or 0.01 to 0.2% vanadium;
- a balance of aluminum including inevitable impurities;
- and
- welding said joint with an aluminum alloy filler material comprising 2 to 6% by weight of magnesium.
A method of welding comprising:
- forming a joint between two pieces of aluminum alloy base metal wherein the aluminum alloy comprises a percent by weight of:
- approximately 1.5 to 5% silicon;
- approximately 0.2 to 1.5% magnesium;
- approximately 0.2 to 1.5% zinc;
- approximately 0.2 to 2% copper;
- approximately 0.1 to 1.5% iron;
- at least one additional ingredient selected from the group consisting of a percent by weight of approximately 0.01 to 1% manganese, 0.01 to 0.2% chromium, 0.01 to 0.2 % titanium, 0.01 to 0.2% zirconium, or 0.01 to 0.2% vanadium;
- a balance of aluminum including inevitable impurities;
- and
- welding said joint with an aluminum alloy filler material comprising 3 to 13% by weight silicon.
An aluminum alloy comprising:
- a percent by weight of:
- approximately 2.6 to 5% silicon;
- approximately 0.2 to 0.8% magnesium;
- approximately 0.2 to 1.5% zinc;
- approximately 0.2 to 2% copper;
- approximately 0.1 to 1.5% iron;
- at least one additional ingredient selected from the group consisting of a percent by weight of approximately 0.01 to 1% manganese, 0.01 to 0.2% chromium, 0.01 to 0.2% titanium, 0.01 to 0.2% zirconium, and 0.01 to 0.2% vanadium;
- and
- a balance of aluminum including inevitable impurities.
Dependencies are inferred from the claim text.