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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091659
EISBN: 978-1-62708-229-7
... Abstract Jet pumps, which have no moving parts, provide a continuous circulation path for a major portion of the core coolant flow in a boiling water reactor. Part of the pump is held in place by a beam-and-bolt assembly, wherein the beam is preloaded by the bolt. The Alloy X-750 beams had been...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0089572
EISBN: 978-1-62708-218-1
... Abstract Two sand-cast low-alloy steel equalizer beams (ASTM A 148, grade 105-85) designed to distribute the load to the axles of a highway truck broke after an unreported length of service. Normal service life would have been about 805,000 km (500,000 mi) of truck operation. Investigation...
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Published: 01 June 2019
Fig. 4 A: Crane ran on rails supported by I-beams. B: Appearance of I-beam crack. C: Evidence of fatigue striations. More
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Published: 01 January 2002
Fig. 4 Relation of distortion ratio to stress ratio for two steel cantilever beams of rectangular cross section. Distortion ratio is permanent deflection, measured at a distance from the support ten times the beam thickness, divided by beam thickness. Stress ratio is maximum stress, calculated More
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Published: 15 January 2021
Fig. 4 Relation of distortion ratio to stress ratio for two steel cantilever beams of rectangular cross section. Distortion ratio is permanent deflection, measured at a distance from the support ten times the beam thickness, divided by beam thickness. Stress ratio is maximum stress, calculated More
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Published: 30 August 2021
Fig. 6 (a) to (e) The same lug is attached to five different beams, all with different stress distributions along the length of the weld. If the failure analyst is given only the lug as shown in (f) with no knowledge of how it was attached to the beam, a proper analysis will be impossible. More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001112
EISBN: 978-1-62708-214-3
... Abstract An I-beam of IS-226 specification—I-section dimensions of 450 x l50 x 10 mm (17.7 x 5.9 x 0.4 in.) and a length of 12.41 m (40.7ft)—was flame cut into two section in an open yard near these a coast under normal weather conditions. After approximately 112h, the shorter section of he I...
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Published: 01 January 2002
Fig. 2 Simple cantilever beam analysis. (a) Classical beam theory showing key elements (top left) and stress and deflection (top right). (b) Finite element analysis (FEA) cantilever beam elements (bottom left) with FEA cantilever beam results (bottom right) More
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Published: 15 January 2021
Fig. 2 Simple cantilever beam analysis. (a) Classical beam theory showing key elements (top left) and stress and deflection (top right). (b) Finite-element analysis (FEA) cantilever beam elements (bottom left) with FEA cantilever beam results (bottom right) More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047710
EISBN: 978-1-62708-225-9
... Abstract A 9310 steel gear was found to be defective after a period of engine service. A linear crack approximately was discovered by routine magnetic-particle inspection of an electron beam welded joint that attached a hollow stub shaft to the web of the gear. The welding procedure had...
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Published: 01 June 2019
Fig. 5 West transition joint: Brittle fracture boxed I-beam side More
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Published: 01 June 2019
Fig. 8 Surface stresses: Boxed I-beam side More
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Published: 01 June 2019
Fig. 1 Cross section of a LANSCE double-walled hemispherical beam exit window. Nominal position of the proton beam is indicated by the arrow. More
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Published: 01 June 2019
Fig. 2 Outer face (atmosphere side) of the LANSCE double-walled hemispherical beam exit window showing placement of the thermocouples. Note that several spot welds were used to affix the thermocouple pads to the window surface. More
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Published: 01 June 2019
Fig. 3 Schematic of the LANSCE beam stop area showing the location of components including the beam exit window More
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Published: 01 June 2019
Fig. 18 A trace of hardness measurements across the beam area compared with the hardness in the initial PH condition 1 More
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Published: 01 June 2019
Fig. 2 Fracture of I-profiled beam. 1 × More
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Published: 01 June 2019
Fig. 1 Fracture surface of an electron beam weld in the web of an AISI 9310 steel gear. The weld fractured because of incomplete fusion. The incomplete-fusion zone where fracture originated is shown at region A; region B shows fatigue beach marks, and region C exhibits bending-fatigue patterns More
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Published: 01 June 2019
Fig. 4 Fatigue origin site coincident with electron beam impingement area. More
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Published: 01 June 2019
Fig. 1 a: Fractured main landing gear truck beam with axles. b: Overview of the fracture surface, the semicircular stress corrosion crack can be seen at bottom just right of centre (arrow) and a corroded area at inside top. c: Overview of the semicircular stress corrosion crack zone, the arrow More