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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001736
EISBN: 978-1-62708-220-4
..., respectively, while the operating conditions were 579°C and 1.03 kPa. The line was insulated. Failure occurred after approximately 90,000 h of operation, shutdowns being approximately two per annum. Figure 1 shows the arrangement of the pipe support regions and of the reinforcing plates. The cracking...
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Published: 01 June 2019
Fig. 2 Schematic representation of the south duct showing supports and expansion joints. More
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Published: 01 December 2019
Fig. 7 Misaligned pipe supports at a pipe mill storage yard More
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Published: 01 December 1992
Fig. 1 Flap supports in relation to overall flap structure. More
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Published: 30 August 2021
Fig. 22 Upright supports for the handrail/guardrail were inadvertently placed on either side of the expansion joint. More
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Published: 30 August 2021
Fig. 2 Corrosion damage on column walls near guy wire supports More
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Published: 30 August 2021
Fig. 3 Corrosion damage on column walls near insulation supports More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047441
EISBN: 978-1-62708-234-1
... Abstract A fan support casting failed unexpectedly while running at 1800 rpm in pulp at 65 deg C (150 deg F). The leading edge of the blade exhibited deep spongy holes leading to reduced section and finally to fracture of the part when the remaining section size was insufficient to support...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001506
EISBN: 978-1-62708-217-4
.... A bracket which supports the in-line fuel flow transducer also was found broken. Examination of the elbow fracture revealed characteristics of low-cycle fatigue failure. Examination of the support bracket fractures revealed a high-cycle mode of fatigue failure, with the primary fatigue extending along...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
... Wheels 2014 UNS A92014 7079 UNS A97079 H11 UNS T20811 4340 UNS G43400 300M UNS K44220 Corrosion fatigue Pitting corrosion Stress-corrosion cracking Introduction Landing gears are designed to provide aircraft support and control when on the ground (steering and stopping) and to absorb...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0045987
EISBN: 978-1-62708-221-1
... Abstract A support arm on a front-end loader failed in a brittle manner while lifting a load. The arm had a cross section of 50 x 200 mm (2 x 8 in.). Material used for the arm was hot-rolled ASTM A572, grade 42 (type 1), steel, which exhibited poor impact properties in the as-rolled condition...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001600
EISBN: 978-1-62708-217-4
... Abstract This paper summarizes the results of a failure analysis investigation of a fractured main support bridge made of 7075 aluminum alloy from an army helicopter. The part, manufactured by “Contractor IT,” failed component fatigue testing while those of the original equipment manufacturer...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001293
EISBN: 978-1-62708-215-0
... Abstract A forged, cadmium-plated electroslag remelt (ESR) 4340 steel mixer pivot support of the rotor support assembly located on an Army attack helicopter was found to be broken in two pieces during an inspection. Visual inspection of the failed part revealed significant wear on surfaces...
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Published: 01 December 1993
Fig. 1 Schematic of the rotor support assembly. Mixer pivot support is shown with an arrow. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0047521
EISBN: 978-1-62708-218-1
... in each instance initiating at a weld that joined the edge of the lower flange to the support bracket casting. The cracks propagated through the flange on each side until the effective cross-sectional area had been reduced sufficiently to bring about sudden and complete fracture of the remaining web...
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Published: 01 January 2002
Fig. 8 Improper support by a shrink-fitted bushing and a tension overload combined to crack this coining die of type O1 tool steel. More
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Published: 01 January 2002
Fig. 22 Steel clutch-drive support assembly that failed in service after a taper pin fractured. The pin fractured because of a loose fit between components. (a) Drive support assembly. Section A-A shows the break in the small end of the taper pin (arrow). (b) Fractured pin; note axial grinding More
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Published: 01 January 2002
Fig. 29 Lamellar tearing at root of weld for shroud-support ring. More
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Published: 01 June 2019
Fig. 10 Vibrational fracture of a screw in the first supporting thread. Fractue, 1× b). Longitudinal section, etched in copper ammonium chloride. 2× More
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Published: 01 June 2019
Fig. 1 A bridge supporting the main ore conveyor at the Arizona Mine collapsed on 23 December 1997. More