Search Results for white iron

Fig. 2 White iron. (a) Microstructure of as-cast, sand-cast white iron (3.6C-0.41Si-0.46Mn-0.98Cr-0.15P-0.024S). Carbon equivalent: 3.7%. White area is iron carbide (cementite). Gray areas are solidified as austenite and were transformed to pearlite during solid-state cooling. Etched with 2 More

Fig. 2 Structure of as-cast malleable white iron showing a mixture of pearlite and eutectic carbides. Original magnification: 200× More

Fig. 4 Microstructures of high-chromium white iron compositions. (a) Low carbon (hypoeutectic). (b) Eutectic. (c) High-carbon (hypereutectic). Original magnification: all 75×. Courtesy of Climax Molybdenum Company More

Fig. 14 As-cast high-chromium white iron (Fe-1.57%C-18.64%Cr-2.86%Mn-0.53%Si-0.036%P-0.013%S). Eutectic chromium carbides type M 7 C 3 in austenitic matrix. Etched with glyceregia. 500× More

Fig. 40 Same white iron as in Fig. 39 but after etching with 4% nital. M, martensite; EC, eutectic carbides; and SC, secondary carbides. 1300× (microscopic magnification 1000×) More

Fig. 41 Same white iron as in Fig. 39 and Fig. 40 but as-cast. Eutectic carbides in austenitic matrix. Etched with glyceregia. 500× More

Fig. 43 As-cast high-chromium white iron (Fe-4.52%C-0.4%Si-2.86%Mn-35.0%Cr-0.06%P-0.012%S). PC, primary carbides; EC, eutectic carbides, both M 7 C 3 type. Etched with glyceregia. 500× More

Fig. 46 Same white iron as in Fig. 39 but after slight etching with 4% nital and examined in bright-field illumination. EC, eutectic carbides type M 7 C 3 ; SC, secondary carbides; and M, martensite. 1000× More

Fig. 49 Same white iron as in Fig. 14 and Fig. 15 but casting was heat treated at 1000 °C (1830 °F), held 1 h, furnace cooled to 400 °C (750 °F) for 2 h, taken to salt bath at 400 °C (750 °F), held 4 h, and air cooled. Examined in bright-field illumination. EC, eutectic carbides type M 7 C More

Fig. 94 As-cast white iron (Fe-3.0%C-2.7%Si-0.45%Mn-0.07%P-0.025%S). C, cementite; P, pearlite. Etched with 4% nital. 400× More

Fig. 3 (a) Thermal expansion and (b) specific heat of white iron More

Fig. 5 Structure of unalloyed chill-cast white iron. Composition: 3.6TC-0.7Si-0.8Mn. Structure shows coarse lamellar pearlite and ferrite in a matrix of M 3 C carbides. (a) 4% picral etch. Original magnification: 100×. (b) 4% picral etch. Original magnification: 1000× More

Fig. 6 Structure of sand-cast white iron. Composition: 3.4TC-0.4Si-0.6Mn-1.4Cr-3.0Ni. Structure shows austenite-martensite in a matrix of M 3 C carbides. (a) Etched in 1% picric acid plus 5% HCl in methanol. Original magnification: 100×. (b) Etched in picral and a hot aqueous solution More

Fig. 7 Structure of sand-cast white iron. Composition: 3.5TC-0.4Si-0.8Mn-16.0Cr-3.0Mo. Structure shows M 7 C 3 carbides in a matrix of austenite containing small amounts of pearlite and martensite. (a) Etched in 1% picric acid plus 5% HCl in methanol. Original magnification: 100×. (b) Etched More

Fig. 2 Microstructure of gray irons. All except white iron contain flake graphite. Nital etch; 100×. (a) 100% ferrite; 120 HB. (b) 50% pearlite, 50% ferrite; 150 HB. (c) Coarse pearlite; 195 HB. (d) Fine pearlite; 215 HB. (e) Pearlite + steadite; 200 HB. (f) Pearlite + carbide; 240 HB. (g More

Fig. 3 High-chromium white iron microstructures. (a) As-cast austenitic-martensitic matrix microstructure. (b) Heat-treated martensitic microstructure. The massive carbides typically found in high-alloy white irons are the white constituent. Both at 500× More

Fig. 1 Plot of volume loss versus carbon content for high-chromium white iron metal-to-earth abrasion hardfacing alloys. (a) Low-stress condition. (b) High-stress condition. Source: Ref 5 More

Fig. 2 Microstructures of high-chromium white iron metal-to-earth abrasion alloys hardfaced with two-layer flux-colored open arc deposit. (a) ERFeCr-A3. (b) ERFeCr-A4(Mod). (c) ERFeCr-A2. 300×. Source: Ref 2 More