Search Results for coarseness

Fig. 3 (a) Coarse nitride needles in gas-nitrided plain carbon steel. (b) Coarse nitride needles at high magnification. Transmission electron micrograph More

Fig. 159 A view of coarse machining marks that were found in the fillet in Fig. 158 between the larger-diameter portion of the piston rod and the threaded end. A secondary crack that follows a machining mark is visible at top center. These surface marks are considered to be areas of local More

Fig. 83 Microstructure of the nominal 0.2% C steel. Pearlite is very coarse, with thick cementite plates in some locations, and there is a large amount of free cementite in the grain boundaries. Source: Ref 82 More

Fig. 36 (a) Coarse and (b) fine striated morphology observed on fatigue of a hot isostatically pressed titanium alloy. Source: Ref 7 More

Fig. 5 Tensile test fracture surface of a high-purity, coarse-grained Al-4.2 Cu alloy with (a) IG facets at low magnification (10×) and (b) uniform dimples on one facet at higher magnification More

Fig. 30 Light micrograph of overaustenitized AISI O1 tool steel containing coarse plate martensite and substantial unstable retained austenite. Specimen etched with nital More

Fig. 31 Relative workability of coarse-grained cast materials and wrought-and-recrystallized metals as a function of temperature. The melting point (or solidus) is denoted as MP c (cast) or MP w (wrought). More

Fig. 65 Section showing comparatively coarse eutectic structure and (dark) platelike constituents. Etched in 20% H 2 SO 4 at 70 °C (160 °F) at 134× More

Fig. 38 Schematic showing the different subzones that can form in the coarse-grained region of the heat-affected zone (HAZ) in a multipass weld. (a) Position of subzones relative to base metal (BM) and weld metal (WM). FL, fusion line. (b) Plot of thermal cycles relative to Ac 3 and Ac 1 . (c More

Fig. 8 Sizes of pores in faces of molds made from coarse sand and from fine sand. Original magnification: 35× More

Fig. 42 Coarse tungsten carbide/cobalt coating polished with 1 μm polycrystalline water-based diamond suspension on a napless cloth for long times (>15 min) at 150 rpm, 35 kPa (5 psi) per 32 mm (1 1 4 in.) mount. Original magnification: 200× More

Fig. 8 Coarse, equiaxed grains produced by dendritic growth in an undercooled melt of pure metal More

Fig. 40 Coarse primary crystal of CrAl7 in an alloy 7075 ingot. As-polished. Original magnification 100×. Source: Ref 4 More

Fig. 22 Light micrograph of the Ti-Al-8Nb alloy showing coarse-grained as-cast structure. Source: Ref 55 More

Fig. 23 Backscattered electron image of the Ti-Al-8Nb-0.3B alloy showing coarse grain structure. Source: Ref 55 More

Fig. 16 Coarse-grained commercial-purity aluminum, cold rolled 30% and annealed at 320 °C (610 °F) for 30 min. A recrystallization nucleus (denoted A) developed near arrow-marked FeAl 3 particles and is shown straddling an initial grain boundary (marked by dotted line). Thin-foil TEM specimen More

Fig. 28 Polished section of a diffusion-bonded joint between a coarse-grained and a fine-grained alumina ceramic (99.7% Al 2 O 3 ) thermally etched in air at 1400 °C (2550 °F) for 1 h. 500× More

Fig. 8 Localized coarse grain, also called germinative grain growth, in a cross section of a high-alloy steel disk forging. 50% HCl. 0.25×. Source: Wyman-Gordon Co. More

Fig. 67 Coarse γ′ in as-forged U-720 revealed using the 15 mL HCl, 10 mL acetic acid, and 10 mL HNO 3 etch. Original magnification 500× More

Fig. 72 Coarse γ′ in as-hot-isostatically pressed, powder metallurgy processed René 95 revealed using glyceregia. (a) Original magnification 200×. (b) Original magnification 1000× More