Improving Aluminum Resistance Spot Welding in …
2015-3-23 · he majority of automotive body shop welding consists of resistance spot welding (RSW) steel sheet due to its inherently low cost and high speed. With the introduction of aluminum, it is desir-able to continue using RSW as the join-ing process. However, the presence of in-sulating oxide layers on the aluminum alloy material surface presents signifi-
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