Search Results for tungsten

Fig. 22.19 A coarse-grained cemented tungsten carbide (94WC-6Co). Tungsten carbide is gray; matrix is white. Original magnification: 1500 ×. Source: Ref 6 More

Fig. 11 Corrosion rate versus tungsten content for tantalum-tungsten alloys exposed to concentrated H 2 SO 4 at 180 °C (360 °F) and 210 °C (405 °F) More

Fig. 12 Mechanical properties of platinum-tungsten alloys as a function of tungsten content More

Fig. 23.7 Typical weld line for the gas tungsten arc (tungsten inert gas, or TIG) process More

Figure 3-27 Tungsten (cold-worked (left) and annealed, (right) 1800°C, 1 h) etched with Murakami’s reagent, 150×. (Courtesy of R. D. Buchheit, Battelle Memorial Institute.) More

Figure 3-29 Alloy of cobalt and 15% tungsten etched in nitric acid, hydrogen peroxide, and lactic acid (10:10:80), 250×. (Courtesy of R. D. Buchheit, Battelle Memorial Institute.) More

Fig. 11.25 (Part 1) Tungsten inert-gas butt weld made in 12 mm 0.2% C plate in five passes. Parent metal: 0.20C-0.28Si-1.85Mn (wt%). CE = 0.51. Weld metal: 0.12C-0.10Si-1.66Mn-0.11S (wt%). (a) Weld region. 3% nital. 1×. (b) Weld metal, outer region of outer pass. 200 HV. 1% nital. 100 More

Fig. 11.26 (Part 1) Tungsten inert-gas weld. (a) to (f) Butt weld made in five passes in 12 mm 0.1 5 % C plate in five passes. Weld metal: 0.08C-0.005Si-0.31 Mn (wt%). (a) Weld region. 3% nital. 1×. (b) Weld metal, as-deposited pass. 1% nital. 100×. (c) and (d) Weld metal More

Fig. 3 Effect of tungsten content on the room-temperature mechanical properties of tungsten-molybdenum alloys More

Fig. 4 Room-temperature ductility of annealed wire for five tungsten-rhenium alloys More

Fig. 5 Short-time tensile strengths of five tungsten-rhenium alloys More

Fig. 6 Elevated-temperature tensile strength of dispersion-strengthened tungsten alloys. Source: Ref 4 More

Fig. 13 Electrical resistivity of platinum-tungsten alloys as a function of tungsten content More

Fig. 2.11 Key components of the gas tungsten arc welding process. Source: Ref 2.7 More

Fig. 2.12 Effect of polarity on gas tungsten arc welding weld configuration when using direct current: (a) direct current electrode negative (DCEN), deep penetration, narrow melted area, approximate 30% heat in electrode and 70% heat in base metal; (b) direct current electrode positive (DCEP More

Fig. 2.15 Plasma–gas tungsten arc welding equipment. Source: Ref 2.3 More

Fig. 2.38 Key components of the gas tungsten arc welding process. Source: Ref 2.28 More

Fig. 9-8 Hardness as a function of tempering temperature for various S1 tungsten chisel steels. Curve 1, Allegheny Ludlum Industries; curve 2, Teledyne VASCO; curve 3, Crucible Steel Co.; curve 4, Carpenter Steel Co. Curve Composition, % Quenching temperature C W Cr V °C °F More

Fig. 9-9 Hardness as a function of tempering temperature for various S1 tungsten chisel steels. Curve 1, Bethlehem Steel Co.; curve 2, Columbia Tool Steel Co.; curves 3 and 4, Vulcan-Kidd Steel Division of H.K. Porter Co. Curve Composition, % Hardening temperature Hardening medium More

Fig. 9-14 Mechanical properties as a function of tempering temperature for tungsten-containing S1 steel specimens. Curve 1, Allegheny Ludlum Industries; curve 2, Teledyne VASCO Curve Composition, % Quenching temperature Quenching medium C Si W Cr V °C °F 1 0.43 0.29 More