Search Results for Butt welds

Fig. 15 Acoustic emission monitoring of butt welds in low-carbon steel test plates. (a) Test plate. Three were prepared; the first, with a sound weld, was used to establish conditions for AE monitoring of the others. (b) Location and number of AEs in the second test plate, which had a region More

Fig. 15 Effect of weld bead on axial fatigue ( R = 0) of butt welds in various tempers of 5083 plate with 5356 filler metal. Source: Ref 30 More

Fig. 5 Upset butt welded steel wire showing typical acceptable burrs on the welds. Dimensions given in inches More

Fig. 11.19 (Part 1) Effect of cooling rate on parent metal adjacent to weld. Butt weld in 19 mm normalized plate. 0.24C-1.59Mn (wt%) CE = 0.49. (a) Electroslag weld (30 kJ/mm heat input). 290 HV. Nital. 75×. (b) Submerged-arc weld (6 kJ/mm heat input). 425 HV. Nital. 75×. (c) Shielded More

Fig. 11.22 (Part 1) Electroslag butt weld in 0.2% C 50 mm thick plate. Weld metal: 0.16C-0.37Si-0.90Mn (wt%). (a) # Transverse section. 3% nital. 1.25×. (b) Weld metal. 170 HV. 1% nital. 1 O×. (c) Weld metal: grain-boundary region. 1% nital. 100×. (d) Weld metal: center of a grain. 1 More

Fig. 11.23 Electroslag butt weld in 0.15% C 50 mm thick plate. Weld metal: 0.16C-0.37Si-0.90Mn (wt%). (a) and (b) Weld metal, as deposited. 170 HV. Picral. 1000×. (c) and (d) Weld metal, after weldment has been austenitized at 925 °C and cooled at 500 °C/h. 125 HV. (c) 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. 11.27 (Part 1) Gas weld (oxyacetylene fusion butt weld). Parent metal: 0.19C-0.07Si-0.55Mn (wt%). CE = 0.20. Weld metal: 0.17C-0.06Si-0.55Mn (wt%). The structure of the parent metal was similar to that illustrated in Fig. 11.8 (Part 2) (f) ; its hardness was 120 HV. (a) to (c More

Fig. 11.28 (Part 4) (h) Progression of the weld pool during butt welding with a high-energy beam. Applies specifically to welding with a laser beam, but applies equally to electron-beam welding. More

Fig. 15 Micrograph of transverse section of an electron-beam welded butt weld joining 2.5 mm (0.100 in.) thick Ti-6Al-4V sheet using a 0.127 mm (0.005 in.) thick tantalum shim placed in the joint. Kroll’s reagent was used as etchant. More

Fig. 11.15 (Part 2) Submerged-arc butt weld in high-strength steel (0.2%C-1.5%Mn) plate. Parent metal: 0.21C-0.20Si-1.50Mn-0.015S (wt%), CE = 0.46. Weld metal: 0.19C-0.30Si-1.62Mn-0.009S (wt%). Two-pass butt weld in plate (double-vee preparation). (a) Weld region. 3% nital 1×. (b) Weld More

Fig. 11.16 (Part 1) Submerged-arc butt weld in high-strength 0.2%C-1.5%Mn plate. Parent metal: 0.21C-0.20Si-1.50Mn-0.015S (wt%), CE = 0.46. Weld metal: 0.19C-0.30Si-1.62Mn-0.009S (wt%). (a) to (e) Two-pass butt weld (double-vee preparation). Weld metal. 220 HV. (a) 1% nital. 100×. (b More

Fig. 11.17 (Part 1) Submerged-arc butt weld of high-strength (0.2%C-1.5%Mn) plate. Parent metal: 0.21C-0.20Si-1.50Mn-0.015S (wt%), CE = 0.46. Weld metal: 0.19C-0.30Si-1.62Mn-0.009S (wt%). Two-pass butt weld; double-vee preparation. (a) Weld (left) and heat-affected zone in parent metal More

Fig. 11.17 (Part 2) Submerged-arc butt weld of high-strength (0.2%C-1.5%Mn) plate. Parent metal: 0.21C-0.20Si-1.50Mn-0.015S (wt%), CE = 0.46. Weld metal: 0.19C-0.30Si-1.62Mn-0.009S (wt%). Two-pass butt weld; double-vee preparation. (a) Weld (left) and heat-affected zone in parent metal More

Fig. 11.18 (Part 1) Submerged-arc butt weld in medium-strength (0.3%C-0.9%Mn) plate. Parent metal: 0.28C-0.25Si-0.9Mn (wt%), CE = 0.43. Weld metal: 0.16C-0.60Si-1.0Mn-0.090 (wt%). Multipass butt weld in plate; double-vee preparation. (a) Weld region. 3% nital. 2×. (b) Weld metal. 200 HV. 3 More

Fig. 11.18 (Part 2) Submerged-arc butt weld in medium-strength (0.3%C-0.9%Mn) plate. Parent metal: 0.28C-0.25Si-0.9Mn (wt%), CE = 0.43. Weld metal: 0.16C-0.60Si-1.0Mn-0.09O (wt%). Multipass butt weld in plate; double-vee preparation. (a) Weld region. 3% nital. 2×. (b) Weld metal. 200 HV. 3 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. 11.28 (Part 1) Electron-beam square butt weld. 0.55% C (0.57C-0.25Si-0.73Mn, wt%. CE = 0.69) normalized. (a) Weld region. Picric acid-zephiran chloride. 5×. (b) Heat-affected zone. 2% nital. 250×. (c) Parent metal immediately adjacent to heat-affected zone. 230 HV. Picral. 500×. (d More

Fig. 4.13 Single-pass deep-penetration autogenous laser butt weld in 14 mm (9/16 in.) A-710 steel plate. Macrograph shows the high depth-to-width ratio of the weld bead and the limited size of the heat-affected zone. Source: Ref 4.8 More

Fig. 5.26 Effect of volumetric defects on fatigue: (a) slag inclusion in butt weld, and cracking from weld toe; (b) porosity in butt weld, and cracking from weld toe; and (c) transverse groove welds containing porosity. Source: Ref 5.11 More