SURFACE TREATMENT METHOD FOR ALUMINUM ALLOY MATERIAL FRICTIONALLY STIR-WELDED

• Main Author: KUMAGAI MASAKI
• Format: Patent
• Language: English
• Published: 26.07.2012
• Subjects: APPARATUS THEREFOR; CHEMISTRY; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; PERFORMING OPERATIONS; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

PROBLEM TO BE SOLVED: To prevent generation of a difference in tint between a portion corresponding to the stirred part of the aluminum alloy material and a portion corresponding to the peripheral portion of the stirred part in a coating deposited on the surface layer part of an aluminum alloy mater...