Abstract
Friction surfacing is an effective way to fabricate thick coating with high strength, wear resistance and corrosion resistance. A rotating consumable rod is pressed down on a substrate, and generates frictional heat at the interface with the substrate. This heat plasticize the rod, and form the plasticized layer. To elucidate mechanism of the coating, temperature distribution of the rod, material flow and adhesion strengh were investigated for SUS304 coating of friction surfacing. The maximum temperature of 1570 K was obtained above rotational plane inside of the rod. From the material flow observation, The coating had layered structure and changed with heat input during process. The adhesion strength of the coating decreased with cross feeding speed (Vx).
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