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welded joints

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001350
EISBN: 978-1-62708-215-0
... Abstract Upon arrival at the erection site, an AISI type 316L stainless steel tank intended for storage of fast breeder test reactor coolant (liquid sodium) exhibited cracks on its shell at two of four shell/nozzle fillet-welded joint regions. The tank had been transported from the manufacturer...
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Published: 01 January 2002
Fig. 2 Schematic of defects and discontinuities in welded joints More
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Published: 01 January 2002
Fig. 12 Examples of stress concentrations in welded joints More
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Published: 15 January 2021
Fig. 3 S - N curve for cruciform metal-active-gas-welded joints (structural steel S355, ASTM A572 grade 5). LCF, low-cycle fatigue; HCF, high-cycle fatigue; P F , probability of failure More
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Published: 30 August 2021
Fig. 3 Schematic of defects and discontinuities in welded joints More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001407
EISBN: 978-1-62708-220-4
... magnitude, were responsible. As all other welds were suspect, the remedy was to remove the joints and to reweld followed by local stress relief. Butt welds Caustic soda Corrosion environments Pipes Residual stress Sodium hydroxide Stress relieving Welded steel Intergranular fracture Stress...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001411
EISBN: 978-1-62708-234-1
... Abstract A welded joint between lengths of 4 in. OD x 13 SWG copper pipe which formed part of a cold-water main failed by cracking over one-third of the circumference. Microscopic examination of the filler metal showed that it had a structure corresponding to a brass of the 60:40 type commonly...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001186
EISBN: 978-1-62708-234-1
... Welded joints Wire Cold-drawn steel Ductile fracture A steel wire of 2.3 mm diameter broke during cable twisting. The fracture occurred obliquely to the longitudinal axis of the wire and showed a constriction at the end. Therefore it was a ductile fracture. File mark type work defects were...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089738
EISBN: 978-1-62708-235-8
... that the crack in the header tube was the result of a stress concentration at the toe of the weld joining a doubler collar to the tube. The stress concentration was caused by undercutting from poor welding technique and an unfavorable joint design that did not permit a good fit-up. Recommendations included...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048356
EISBN: 978-1-62708-229-7
... Abstract Welded to the top of a dust bin for rigid support, a furnace water-wall tube in a new stationary boiler broke at the welded joint shortly after start-up. The tubes measured 64 mm (2.5 in.) OD by 3.2 mm (0.125 in.) wall thickness and were made of carbon steel to ASME SA-226...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0089722
EISBN: 978-1-62708-217-4
... Butt welds Design Elbows Fatigue cracking Lap welds Tubes Vibratory stresses Welded joints 321 UNS S32100 Joining-related failures Fatigue fracture The welded elbow assembly shown in Fig. 1 was part of a hydraulic-pump pressure line for a jet aircraft. The other end of the tube...
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Published: 01 June 2019
Fig. 1 Failure of double fillet welded joint between vane and back plate disclosing lamellar tearing. More
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Published: 01 June 2019
Fig. 27 Local attack at fusion welded joint More
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Published: 01 June 2019
Fig. 28 Scale build up and minor attack at flash welded joint More
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Published: 01 June 2019
Fig. 2 Photomacrograph of a cross section through a socket-welded joint. Notice the straight fatigue crack that initiated from the weld root and extended through the weld metal. More
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Published: 01 January 2002
Fig. 44 Incomplete penetration in a butt welded joint in steel. Original plate thickness, 19 mm ( 3 4 in.). As-polished. 1.4× More
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Published: 01 June 2019
Fig. 1 Schematic of weld joint geometry, noting the location of the observed cracking More
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Published: 01 December 1993
Fig. 3 Fillet weld joint between the shell and double-wall nozzles. The hatched portion in the weld was removed by lathe machining. More
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Published: 01 December 2019
Fig. 11 Microhardness values in different zones of weld joint as taken on reference specimen, i.e. without cracks, are (a) weld zone 345–355 HV, (b) HAZ 357–367 HV, (c) HAZ on opposite side of weld bead 353–367 HV, (d) base metal 346–357 HV and (e) base metal on opposite side of weld bead 347 More
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Published: 01 December 2019
Fig. 12 Microhardness values in different zones of weld joint of specimen containing cracks are (a) weld zone 350–360 HV, (b) HAZ 360–370 HV, (c) HAZ on opposite side of weld bead 360–370 HV, (d) base metal 345–355 HV, (e) base metal on opposite side of weld bead 350–360 HV and (f) region More