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

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

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

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

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

Fig. 3 SEM micrograph of fractured surface showing precipitation of carbides in the austenite matrix and the formation of microcracks 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. 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. 12 Scanning electron micrograph showing carbides in 20Cr-32Ni-Nb alloy More

Fig. 1 High-temperature degradation of a gas turbine transition duct. (a) Carbide, carbonitride precipitates, and oxide pentration along grain boundary. (b) Creep cracking along grain-boundary precipitates (arrows) on IN-617 panel. Creep cavities along grain boundaries link up and lead More

Fig. 7 Carbide volume fractions in the cladding of the Midland control specimens. More

Fig. 8 Variation in carbide precipitation (black dots) in delta ferrite, Midland 1 (mod. Murakami's). More

Fig. 9 Eutectic carbide clusters (arrows) and cracks in F-10 at the weld dilution zone/base metal (starts at top edge of micrograph) interface (Murakami's reagent). More

Fig. 13 TEM replica of a fracture surface of WC-3Co cemented carbide exhibiting Wallner lines (arrowed) 8 More

Fig. 5 Villela-etched roll microstructure showing inhomogeneous carbide distribution in tempered martensite. (a) Carbide segregation at grain boundaries. (b) Massive carbide segregate with skeleton-like appearance. 500× More

Fig. 7 Histogram plot showing field-wise variation in carbide volume fraction in failed roll More

Fig. 8 EDS spectrum of vanadium-rich alloy carbide More

Fig. 9 EPMA micrographs of typical carbide segregation in failed roll. (a) SE image. (b) BSE image showing atomic number contrast. (c) Cr x-ray dot map. (d) V x-ray dot map. (e) Mo x-ray dot map. (f) W x-ray dot map. (g) Fe x-ray dot map. (h) C x-ray dot map. 2000× More

Fig. 10 EDS spectrum of chromium-rich region in alloy carbide segregate More