Effects of niobium on microstructure, mechanical properties, and corrosion behaviour in weldments of alloy 690

Engineering & Materials Science

• Niobium 100%
• Fluxes 64%
• Fusion reactions 63%
• Welding electrodes 60%
• Corrosion 59%
• Microstructure 53%
• Mechanical properties 51%
• Filler metals 50%
• Brittle fracture 45%
• Electric arc welding 44%
• Heat affected zone 42%
• Grain boundaries 40%
• Microhardness 39%
• Welding 31%
• Tensile strength 31%
• Welds 31%
• Electrodes 30%
• Metals 25%

Physics & Astronomy

• niobium 80%
• corrosion 71%
• Inconel (trademark) 67%
• welding 55%
• mechanical properties 53%
• microstructure 46%
• fusion 42%
• arc welding 36%
• heat affected zone 34%
• electrodes 32%
• ghosts 29%
• metals 27%
• fillers 26%
• ductility 25%
• tensile strength 25%
• microhardness 24%
• fine structure 21%
• spacing 20%
• slopes 19%
• grain boundaries 19%

Chemical Compounds

• Brittle Fracture 58%
• Corrosion 57%
• Alloy 55%
• Microstructure 53%
• Ductility 46%
• Microhardness 42%
• Grain Boundary 41%
• Behavior as Electrode 39%
• Metal 35%
• Filler 33%
• Tensile Strength 33%
• Heat 29%