CPC B23K 35/286 (2013.01) [B23K 35/0261 (2013.01); C22C 21/00 (2013.01)] | 40 Claims |
1. A consumable welding electrode, comprising:
a base metal composition comprising at least 70% by weight of aluminum; and
a second metal capable of forming a binary eutectic with aluminum, wherein the binary eutectic undergoes a binary eutectic solidification at a eutectic temperature of 595-660° C.,
wherein the second metal is present in a form and at a hypoeutectic concentration greater than 0.05 weight % and up to 0.5 weight % such that a solidification temperature range of a molten weld metal formed by melting the consumable welding electrode is less than 65° C.
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