Search Results for nickel-base alloy

Fig. 5 Nickel-base alloy chart showing alloys containing varying amounts of nickel and iron. Chromium contents are constant at approximately 18 to 20%. More

Fig. 19 B-1900 nickel-base alloy, as-cast. (a) Structure consists of nickel-rich γ solid-solution matrix containing a few light-etching carbide particles and dispersed γ′. Kalling's reagent. Original magnification 100× (b) Higher magnification. The light-etching carbide particles are dispersed More

Fig. 3 SEM image of fracture surface of nickel-base alloy (Inconel 751, annealed and aged) after stress rupture (730 °C, or 1350 °F; 380 MPa, or 55 ksi; 125 h). (a) Low-magnification view, with picture width shown at approximately 0.35 mm (0.0138 in.) from original magnification of 250×. (b More

Fig. 9 Gamma-prime overaging in a nickel-base alloy turbine blade material. (a) SEM micrograph of the blade material, showing the breakdown of the eutectic gamma prime (5) and the spreading of the coarse gamma prime. Smaller particles of fine aging gamma prime (4), which would appear between More

Fig. 11 Hot corrosion attack of René 77 nickel-base alloy turbine blades. (a) Land-based, first-stage turbine blade. Notice deposit buildup, flaking, and splitting of leading edge. (b) Stationary vanes. (c) A land-based, first-stage gas turbine blade that had type 2 hot corrosion attack. (d More

Fig. 19 Observation of failed nickel-base alloy (Waspaloy) specimen after rotating bend fatigue. (a) Macro view. (b) Micrograph. Source: Ref 43 More

Fig. 11 Microstructures of nickel-base Alloy 713C turbine blades. (a) Original structure prior to service. (b) Coarsening of γ' precipitates and elimination of secondary γ' caused by 5000 h of service More

Fig. 6 ESR process parameters for the melting of a nickel-base alloy More

Fig. 3 Plasma-sprayed nickel-base alloy. Courtesy of Thermal Spray Technologies More

Fig. 6 Thin section of a vacuum-plasma-sprayed nickel-base alloy coating (Metco 700) as observed by transmission electron microscopy. The microstructure displays fine, equiaxed, recrystallized grains. RG, recrystallized grains; AT, annealing twins More

Fig. 14 Oxidized carbide in precipitation-hardened nickel-base alloy More

Fig. 5 Cast dendritic structure of Russian nickel-base alloy CNK7 revealed using (a) glyceregia, (b) Kalling's No. 2, (c) the Lucas electrolytic reagent (2 V dc, 10 s), and (d) Beraha's tint etch (50 mL HCl, 50 mL water, 0.8 g K 2 S 2 O 5 , 4 g NH 4 F·HF, 1 g FeCl 3 More

Fig. 3 Scanning electron microscopy image of fracture surface of nickel-base alloy (Inconel 751, annealed and aged) after stress rupture (730 °C, or 1350 °F; 380 MPa, or 55 ksi; 125 h). (a) Low-magnification view, with picture width shown at approximately 0.35 mm (0.0138 in.) from original More

Fig. 7 Sulfidation and chloridation attack on IN-601 nickel-base alloy of charcoal-regeneration kiln (see also Fig. 8 ). Region 1 is an area of chromium sulfide islands (dark phase) interspersed in a chromium-depleted region (bright phase). Region 2 has an angular phase (consisting mostly More

Fig. 8 Sulfidation and chloridation attack on IN-601 nickel-base alloy of charcoal-regeneration kiln at higher magnification (~44×). Lower right is region of chromium sulfide islands (dark phase) interspersed in chromium-depleted region (bright phase). Middle region has an angular phase More

Fig. 5 Corrosion attack in a nickel-base alloy after two months at 870 °C (1600 °F) in a molten BaCl 2 salt bath. Source: Ref 2 More

Fig. 7 Effect of cold work on the hardness of various nickel-base alloy sheet materials More

Fig. 5 Liquation of a niobium carbide stringer in a nickel-base alloy 718 wire. (a) Stringer before onset of liquation. (b) Stringer in initial stage of liquation as it is heated by welding thermal cycle. (c) Movement of stringer liquation into grain boundaries of alloy. 500× More

Fig. 19 Observation of failed nickel-base alloy (Waspaloy) specimen after rotating-bend fatigue. (a) Macro view. (b) Micrograph. Source: Ref 53 More

Fig. 8 Particle size analysis of nickel-base alloy powder. (a) Optical microscopy. (b) Scanning electron microscopy More