Aluminum alloys 62 Technology: general issues 31 History of engineering and technology 29 Ternary alloys 18 Titanium alloys 17 Binary alloys 16 History of engineering & technology 8 Magnesium alloys 8 Friction 7 Friction stir welding 7 Microstructure 7 Tensile strength 7 Copper alloys 6 Materials science 6 Precipitation (chemical) 5 Surface roughness 5 Vanadium alloys 5 Zinc alloys 5 Aluminum coatings 4 Aluminum corrosion 4 Energy gap 4 Finite element method 4 Grain boundaries 4 Grain size and shape 4 Property 4 Research and information: general 4 Spot welding 4 Welds 4 mechanical properties 4 Aluminum 3