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Butt welds

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Published: 01 July 1997
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
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Published: 01 July 1997
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
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Published: 01 July 1997
Fig. 5 Upset butt welded steel wire showing typical acceptable burrs on the welds. Dimensions given in inches More
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Published: 01 August 1999
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
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Published: 01 August 1999
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
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Published: 01 August 1999
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
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Published: 01 August 1999
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
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Published: 01 August 1999
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
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Published: 01 August 1999
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
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Published: 01 July 1997
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
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Published: 01 August 1999
Fig. 11.5 (Part 1) Friction butt weld of mild steel to mild steel (0.15% C, 0.15C-0.20Si-0.56Mn, wt%) bar. (a) Weld region. 5% nital. 2×. (b) Weld region. Arrow indicates approximate position of the weld interface. 3% nital. 100×. (c) Fully austenitized zone immediately adjacent to weld More
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Published: 01 August 1999
Fig. 11.5 (Part 2) Friction butt weld of mild steel to mild steel (0.15% C, 0.15C0.20Si-0.56Mn, wt%) bar. (a) Weld region. 5% nital. 2×. (b) Weld region. Arrow indicates approximate position of the weld interface. 3% nital. 100×. (c) Fully austenitized zone immediately adjacent to weld More
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Published: 01 August 1999
Fig. 11.6 (Part 1) Friction butt weld of mild steel to mild steel (0.15% C) bar. The structure of unaffected parent metal was similar to that shown in Fig. 11.5 (Part 2) (f) . Its hardness was 190 HV. (a) Weld region. 2% nital. 2×. (b) Weld region. Picral. 100×. (c) Central region More
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Published: 01 August 1999
Fig. 11.6 (Part 2) Friction butt weld of mild steel to mild steel (0.15% C) bar. The structure of unaffected parent metal was similar to that shown in Fig. 11.5 (Part 2) (f) . Its hardness was 190 HV. (a) Weld region. 2% nital. 2×. (b) Weld region. Picral. 100×. (c) Central region More
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Published: 01 August 1999
Fig. 11.7 Friction butt weld of mild steel (0.15% C) to 18-8 austenitic stainless steel bars, (a) Weld region. 2% nital. 2×. (b) Weld junction. Picral. 100×. (c) Weld junction. Picral. 1000×. (d) Region adjacent to weld junction. Picral. 1000×. More
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Published: 01 August 1999
Fig. 11.8 (Part 1) Electric-resistance flash butt weld. 0.1% C (0.12C-0.20Si-0.45Mn, wt%). (a) Weld region. 5% nital. 3×. (b) Weld region. Arrow indicates approximate position of the weld interface. 3% nital. 250×. (c) Fully austenitized zone immediately adjacent to weld. 3% nital. 250 More
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Published: 01 August 1999
Fig. 11.9 Electric-resistance flash butt weld regions, showing oxygen enrichment at the weld plane. 0.1% C (0.12C-0.20Si-0.45Mn, wt%). (a) Satisfactory weld. Alkaline chromate. 100×. (b) Satisfactory weld. Picral. A, 100×. B, 500×. (c) Defective weld. Alkaline chromate. 100×. (d) Defective More
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Published: 01 August 1999
Fig. 11.15 (Part 1) 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
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Published: 01 August 1999
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
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Published: 01 August 1999
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