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FUSION SPOT WELDING OF PH 15-7MO PRECIPITATION HARDENING STAINLESS STEEL FOR MACH 3 AIRCRAFT, PART 2
NORTHROP AIRCRAFT INC HAWTHORNE CALIF
Fusion spot welding techniques were developed for PH 15-7Mo stainless steel sheet, heat treated to the RH 1075 condition. Satisfactory fusion spot welds were made without the use of a back-up bar. Limited design information was obtained, and is reported as standard deviation, unbiased standard deviation, coefficient of variation, and strength consistency. The effects of edge distance, spot spacing, and row spacing on tension-shear properties were investigated. Author