抄録
Solid protrusion of 6061 aluminum alloy was formed to SPCC steel sheet by friction welding process, and microstructures and mechanical properties of protrusion were investigated. The protrusion formation was possible in wide range of friction pressure under the rotational speed 750rpm and 1000rpm. The microstructures of welding interface was not observed an intermetallic compound. And it showed fine structure than that of the base metal. The maximum tensile lord of protrusion showed 1300N, and the maximum tensile shear lord of protrusion showed 1600N.
