Search Results for grain structure

Fig. 21 Microstructures of 8090 sheet. (a) Recrystallized grain structure. (b) Unrecrystallized grain structure More

Fig. 24 Curly grain structure in a transverse section of iron wire drawn to a true strain of 2.7. Longitudinal section of the same specimen is fibrous. 2% nital. Original magnification 200×. Courtesy of J.F. Peck and D.A. Thomas More

Fig. 12 Monte Carlo (3D) model predictions of (a, b, c) grain structure (2D sections after 1000 MC steps) and (d) grain-growth behavior for materials with various starting textures and assumed grain-boundary properties. (a) Case A, isotropic starting texture and isotropic boundary properties More

Fig. 6 Primary austenite grain structure of a fine-grained UNS G86200 steel thermally etched 2 h at 925 °C (1700 °F). 100×. Courtesy of D.L. Albright. Source: Ref 3 More

Fig. 15 Eutectic grain structure in flake graphite cast iron. Etching in Stead's reagent for 2.5 h (a) reveals coarse grains, for 1.5 h (b) shows fine grains. Magnification: 14×. Source: Ref 11 More

Fig. 16 Grain structure of wrought 1100-grade aluminum foil after electrolytic polishing and anodizing with Barker's reagent (20 V direct current, 2 min). (a) Viewed with bright-field illumination, revealing only the intermetallic precipitates. If anodizing had produced an interference film More

Fig. 32 Austenitic, twinned grain structure of 316L austenitic stainless steel (Fe-<0.03%C-17%Cr-12%Ni-2.5%Mo) that was hot rolled, solution annealed, cold reduced 30% in thickness, and solution annealed (1150 °C, or 2100 °F, for 1 h, water quenched). The specimen was tint etched More

Fig. 36 Twinned austenitic grain structure of solution-annealed, wrought Hadfield manganese steel (Fe-1.12%C-12.7%Mn-0.31%Si) tint etched with Beraha's sulfamic acid reagent (No. 3) (100 mL water, 3 g potassium metabisulfite, and 2 g sulfamic acid) and viewed with polarized light plus More

Fig. 37 Twinned austenitic grain structure of wrought, annealed Fe-39%Ni tint etched with Beraha's sulfamic acid solution (No. 3) and viewed with polarized light plus sensitive tint. The magnification bar is 100 μm long. More

Fig. 54 Grain structure of 6061-T651 revealed by tint etching with Weck's reagent and viewing with polarized light plus sensitive tint. 200× More

Fig. 13 Grain structure in a fusion weld of alloy 2014 made with transverse arc oscillation. Source: Ref 8 More

Fig. 19 Grain structure variations across friction stir welded 7050-T651 aluminum alloy. (a) Unaffected parent material. (b) Heat-affected zone. (c) Thermomechanically affected zone. (d) Nugget zone. Source: Ref 74 More

Fig. 1 Grain structure in 3004 alloy castings. Top: no refinement; bottom: 10 ppm boron added as 5Ti-1B alloy More

Fig. 11 Grain structure in an A356 alloy casting More

Fig. 8 Low-carbon steel, cold rolled 65%, showing the grain structure in the rolling plane ( R ), the longitudinal plane ( L ), and the transverse plane ( T ). RD, rolling direction More

Fig. 14 Grain structure of a microalloyed steel bar product of composition Fe-0.38C-1.18Mn-0.16V-0.018N. Source: Ref 21 More

Fig. 3 Typical grain structure of cast depleted uranium More

Fig. 38 Lath martensitic grain structure of Moly Ascoloy (329 HV) revealed using Vilella's reagent, (a) Original magnification 100×. (b) Original magnification 500× More

Fig. 39 Lath martensitic grain structure of Greek Ascoloy (335 HV) revealed using Vilella's reagent. Original magnification 400× More

Fig. 40 Austenitic grain structure in alloy 330 revealed using 10% oxalic acid (6 V dc, 10 s) for specimens solution annealed at: (a) 996 °C (1825 °F), (b) 1024 °C (1875 °F), (c) 1038 °C (1900 °F), (d) 1052 °C (1925 °F), (e) 1066 °C (1950 °F), and (f) 1080 °C (1975 °F). Note that only More