Search Results for carbides

Fig. 75 Geometric models of carbides formed during case hardening. (a) Massive carbide grain, 4000×. (b) Film carbide, 2000×. (c) Intergranular carbide, 4000×. Source: Ref 30 More

Fig. 76 Micrograph of 4% Ni-C-Cr carburized steel showing massive carbides produced during carburizing with surface carbon above Ac cm carbon. Source: Ref 30 More

Fig. 78 Micrograph of 4% Ni steel showing carbides formed after slow cool from carburizing temperature. 178×. Source: Ref 30 More

Fig. 79 Globular carbides at the surface of a carburized 1% Cr-Mo steel (reheat quenched). 836×. Source: Ref 30 More

Fig. 42 Failure due to a band of carbides. (a) AISI A2 scoring die spalled at the cutting edge during either the stoning or final grinding step after heat treatment. (b) Sectioning through the spalled region revealed a band of carbides intersecting the edge profile that promoted cracking More

Fig. 3 Intergranular carbides and corrosion in CF8M suction roll. Magnification 100× More

Fig. 25 Chrome carbides at grain boundaries forming “pearl necklace” in 316 stainless steel. Electrolytic oxalic acid etch More

Fig. 2 Spheroidized carbides in ferrite matrix in the ruptured stub. Nital 1% etch. More

Fig. 6 Grain boundary carbides and creep lines in the sensitized area. 800 × More

Fig. 42 Failure due to a band of carbides. (a) AISI A2 scoring die spalled at the cutting edge during either the stoning or final grinding step after heat treatment. (b) Sectioning through the spalled region revealed a band of carbides intersecting the edge profile that promoted cracking More

Fig. 12 Scanning electron micrograph showing carbides in 20Cr-32Ni-Nb alloy More

Fig. 5 Morphology of grain boundary carbides. 500× More

Fig. 9 Micrograph showing niobium carbides in interdendritic spaces. Etched in electrolytic nitric acid. 1000×. More

Fig. 4 SEM showing the carbides depicted in Fig. 3 . 3150×. More

Fig. 3 SEM micrograph of fractured surface showing precipitation of carbides in the austenite matrix and the formation of microcracks More

Fig. 8 (a, b) Inner race; aligned carbides in the matrix of tempered martensite More

Fig. 10 Metal carbide (MC) and grain-boundary film in a Waspaloy forging. The grain-boundary carbide films substantially reduce stress-rupture life. Transmission electron micrograph, 3400× More

Fig. 26 Debonding at the interface of a carbide particle and the matrix in a bainitic 4150 steel. Loading direction indicated. Source: Ref 42 More

Fig. 80 Surface film carbide (1% Cr-Mo steel). 874×. Source: Ref 30 More

Fig. 41(b) Micrograph showing the poor carbide distribution and morphology in the roll shown in Fig. 41(a) . The grain size, ASTM 6.75, was coarser than desired. Etched with 3% nital. 700× More