FUSION SPOT WELDING OF PH 15-7MO PRECIPITATION HARDENING STAINLESS STEEL FOR MACH 3 AIRCRAFT STRUCTURES Document Details Document Type Technical Report Publication Date Aug 25, 1961 Accession Number AD0270411 Entities People H. Smallen Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Aircrafts Airframes Dispersion Hardening Hardening Mechanical Structure Precipitation Spot Welding Stainless Steel Steel Welding