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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001529
EISBN: 978-1-62708-217-4
... Abstract On 16 July 1999, a Boeing 737-800 on final approach for landing sustained a major lightning strike. Damage to the fuselage structure primarily was in the form of melting or partial melting of widely-separated rivets and adjacent Alclad 2024-T3 fuselage skin. The damage was confined...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001823
EISBN: 978-1-62708-241-9
... inspection, magnetic particle inspection, stereoscopic analysis, scanning electron microscopy, tensile and hardness testing, and chemical analysis) was attributed to damage resulting from a lightning strike. polyethylene coated pipe fracture lightning damage pipe steel leaking metallurgical...
Image
Published: 01 December 2019
Fig. 3 Macrographs of AISI 304 SS weld joints showing various zones with cracks: ( a ) “lightning” cracks in base metal, and (b) cracks in weld bead and HAZ (magnification: 5×) More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001295
EISBN: 978-1-62708-215-0
.... A different feature was observed on this wire—a pronounced blue color on the wire surface, extending several millimeters from the point of fracture. This is typical of a localized heating effect (e.g., wire being struck by lightning). Failure Type 3 Failure type 3 showed a shear-type fracture, oblique...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001024
EISBN: 978-1-62708-214-3
... contained voids and had a microstructure different from the base material. Two hypotheses were possible for the intense, local heating necessary to melt the material forming the pits without affecting the surrounding material—a lightning strike or electrical arcs. The latter was deemed possible...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001800
EISBN: 978-1-62708-241-9
... energy, or even lightning strikes. Fig. 6 SEM image of a remelted, arc-damage area at one fracture origin (arrow) Fig. 7 Detail of one remelt area at a fatigue origin Untempered martensite is a hard, brittle phase with significant residual stresses that can often lead...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001770
EISBN: 978-1-62708-241-9
... of the weldments. Figure 3(a) shows the macrograph of transverse face (cross section) revealing branched cracks (lightning-like cracks) in the base plate near HAZ. Cracks were found to initiate from the outer surface of the tank wall and then propagated inward to the inner surface of the plate which ultimately...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006913
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... damage, arcing from lightning strikes and ground faults in power lines, and vibration. Nondestructive Examination Pipeline failure analysis investigations should include nondestructive examination (NDE) prior to any analysis that permanently alters the leak or rupture site. For pipeline failures...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9