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Weldments

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0091594
EISBN: 978-1-62708-228-0
... amine service if the temperature is expected to be above 95 deg C (200 deg F). Recommendations included inspecting all welds using shear wave ultrasonic testing and postweld heat treating all welds in lean amine service. Piping Refineries Sulfur recovery units Weldments Welded carbon steel...
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Published: 01 January 2002
Fig. 29 Factors influencing porosity in weldments More
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Published: 01 January 2002
Fig. 32 Causes and remedies of slag inclusions in weldments More
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Published: 30 August 2021
Fig. 36 Factors influencing porosity in weldments More
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Published: 30 August 2021
Fig. 37 Factors influencing slag inclusions in weldments More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001514
EISBN: 978-1-62708-218-1
... of the injuries sustained by the driver. The faulty welds in the unit body were apparently a consequence of improper settings of parameters on a multihead electrical resistance spot welding machine. Lack of appreciation of the hazard associated with failure of this weldment may have contributed to the low...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047720
EISBN: 978-1-62708-217-4
... Abstract Airfoil-shape impingement cooling tubes were fabricated of 0.25 mm (0.010 in.) thick Hastelloy X sheet stock, then pulse-laser-beam butt welded to cast Hastelloy X base plugs. Each weldment was then inserted through the base of a hollow cast turbine blade for a jet engine...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001837
EISBN: 978-1-62708-241-9
... The results of the investigation carried out on failed weldment of low C–CrMoV steel led to the following conclusions: Microhardness measurements were carried out on sample containing cracks and on sample without any crack using Vickers microhardness tester using 500 g load at a magnification of 500...
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Published: 01 June 2019
Fig. 3 Photomicrograph of specimen showing crack counterbore and weldment (pipe approximately 0.33″ thick) More
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Published: 01 June 2019
Fig. 8 The single weld nugget of the 66cm (26″) section of weldment cut from the rocker panel More
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Published: 01 June 2019
Fig. 10 Fuel tank anchor weldment partially separated at the fillet welds More
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Published: 01 June 2019
Fig. 7 Metallographic section through weldment and fatigue crack. Grains in weld and heat-affected zone are characteristically large. No indications of cracking due to contamination. Etched with 10 ml HF, 10 ml HNO 3 , and 5 ml H 2 O 2 solution. More
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Published: 01 June 2019
Fig. 1 Section through weld in a roadarm (a weldment of low-alloy steel castings). The roadarm fractured in the HAZ because of high carbon-equivalent content. Fracture surface is at arrow. 0.8× More
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Published: 01 June 2019
Fig. 10 Photomicrographs of the Ti-6Al-4V parent material of the weldment taken from (A) the discolored test plate and (B) surface replica of the cylinder weldment. More
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Published: 01 June 2019
Fig. 3 Detail of shrinkage porosity in steel weldment. Note that the secondary dendrite arms are spaced at 90° in this cubic crystal structure material, unlike snowflakes formed from water, which prefer a hexagonal crystal habit. More
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Published: 01 January 2002
Fig. 26 Pulsed GMAW spot weld showing porosity in dissimilar metal weldment; a copper-nickel alloy to a carbon-manganese steel using an ERNiCu-7 (Monel 60) electrode. Etchant, 50% nitric-50% acetic acid. 4× More
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Published: 01 December 1993
Fig. 2 Specimen taken from a failed tube weldment. Enlarged views of the outer and inner surfaces are shown. More
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Published: 01 December 1993
Fig. 3 Macroscopic view of a deep etched longitudinal section of the weldment. More
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Published: 01 December 1993
Fig. 5 Hardness profile across the weldment on the inner surface of the tank. (a) and on the outer surface (b) More
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Published: 01 December 1993
Fig. 8 Crack in the weldment More