Fig. 4 An aluminum plate riveted to a steel plate resulted in a galvanic couple and crevice corrosion that produced a significant amount of corrosion products between the two plates. The stresses generated as a result of the volume change of the corrosion products were sufficient More

Fig. 3.2 Galvanized steel plate. The grains of zinc that solidified on the plate surface can be observed. The structure is almost two-dimensional. Each division in the ruler at the lower part of the image corresponds to 1 mm. No etching. More

Fig. 11.14 Weld interface of an explosive weld of 0.15% C steel plate and commercially pure aluminum plate. (a) 1% nital. 10× (b) and (c) 1% nital. 100×. More

Fig. 7.40 Micrograph of ASTM A 36 steel plate rough polished with 6 μm diamond paste with insufficient pressure. Note the parallel deformation zones in some of the ferrite grains (see arrow). 2% nital etch. 100× More

Fig. 5.2 Semikilled mild steel plate. (a) 0.2% C semikilled, ordinary grade (0.22C-0.06Si-0.70Mn, wt%). As-rolled: center of 12.5 mm thick plate. 20 vol% pearlite. Picral. 100×. (b) 0.2% C semikilled, ordinary grade (0.22C-0.06Si-0.70Mn, wt%). As-rolled: center of 12.5 mm thick plate. 20 More

Fig. 3.13 Microstructure of a hot-rolled, high-strength microalloyed steel plate with elongated pearlite bands (dark constituent) in a ferrite matrix. 4% picral followed by 2% nital. 500× More

Fig. 3.61 Microstructure of an as-rolled ASTM A516 steel plate showing hydrogen flakes along the pearlite bands. 2% nital and 4% picral etch. (a) 50× and (b) 400× More

Fig. 2 Sketch of pattern of brittle fracture of a normally ductile steel plate, sheet, or flat bar. Note the classic chevron or herringbone marks that point toward the origin of the fracture, where there usually is some type of stress concentration, such as a welding defect, fatigue crack More

Fig. 3 A hole 4-¼ in. long caused by crevice corrosion in ¼-in.-thick steel plate. The photograph (b; at ⅓×) shows the inside of the lower right corner of a large steel box (a) that acted as a heat exchanger or panel to cool extremely hot exhaust gases in a steel mill. Cold water entered More

Fig. 7.4 Microstructure of an as-rolled AISI/SAE 1020 steel plate. (a) Planar plane. (b) Longitudinal plane. 4% picral etch. 100× More

Fig. 7.5 Microstructure of a very-low-carbon steel plate polished in three views shown in Fig. 7.2 . 2% nital. 100× More

Fig. 12.1 Welded stainless steel plate on the exterior of the Gateway Arch in St. Louis, Mo. Courtesy of Wikipedia More

Fig. 11.49 Cross section of the plane identified as LS in the HY-100 steel plate shown in Fig. 11.48 , slow cooled. The hardness prints indicate the location where the microprobe (WDS) analysis started and ended. Chemical analysis (WDS), shown in (b). Heat analysis: C = 0.16%, Mn = 0.26%, P More

Fig. 11.67 Cross section of a structural steel plate (ferrite and pearlite) that was exposed to a building fire. Oxidation with the formation of a thick layer of oxides in the plate surface, and a region that suffered partial decarburization. The kinetics of the oxidation More

Fig. 14.20 20MnMoNi55 steel plate with 220 mm (9 in.) thickness austenitized at 900 °C (1650 °F) for 8.5 h, water quenched and tempered at 635 °C (1175 °F) for 6.5 h. (a) Microstructure 15 mm (0.6 in.) under the plate surface (cooling rate ≅ 7 °C/s, or 13 °F/s), martensite. (b) Microstructure More

Fig. 15.19 AISI 1050 steel plate, normalized. (a) Surface; (b) mid-thickness. Pro-eutectoid ferrite and pearlite. Etchant: nital 2%. Courtesy of ArcelorMittal Tubarão, ES, Brazil. More

Fig. 15.20 AISI 1060 steel plate, controlled rolled. (a) One quarter thickness position; (b) mid-thickness. Pro-eutectoid ferrite and pearlite. Some acicular ferrite. Etchant: nital 2%. Courtesy of ArcelorMittal Tubarão, ES, Brazil. More

Fig. 16.28 Microstructure of UNS S31803 duplex stainless steel plate rolled and annealed for 30 min at 1050 °C (1920 °F), followed by quenching. Ferrite (dark) and austenite islands (light). The mechanical forming was done inside the two-phase field. Electrolytic etching with 30% (vol) HNO 3 More

Fig. 20 Sketch of pattern of brittle fracture of a normally ductile steel plate, sheet, or flat bar. Note the classic chevron or herringbone marks that point toward the origin of the fracture, where there usually is some type of stress concentration, such as a welding defect, fatigue crack More

Fig. 1.7 25Cr-1Mo steel plate, single-pass electron beam weld. Macrostructure shows high depth-to-width ratio of the fusion zone, which is typical of high-energy-density welding processes. Source: Ref 1.3 More