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open end wrench

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001785
EISBN: 978-1-62708-241-9
... Abstract A maintenance worker was injured when his 3/4 in. (19 mm) open-ended wrench failed, fracturing in overload fashion along the jaw. The failed wrench was unavailable for testing, but an identical one that failed in the same manner was acquired and subjected to hardness, chemistry, SEM...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001749
EISBN: 978-1-62708-215-0
... created by the resulting friction that was generated. The loss of shrapnel-type bits of steel from the lip of the fitting occurred as the head was ejected. Fig. 4 Magnified angular view at opened end of steel fitting shown in Fig. 2 . Note torn metal, bum marks, and incipient melting at base...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001663
EISBN: 978-1-62708-236-5
... nozzle, and a keeper ring. The threaded end of the nut is screwed onto the end of the rifle barrel; one of two machined flats for attaching the jaws of a wrench is shown. The nozzle (the outer portion of the unit) contains a small (1.5 mm diam) hole sufficient to create the back pressure described...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001678
EISBN: 978-1-62708-218-1
... 23rd October, 1990 and the vehicle was serviced a day before (i.e. 22nd October, 1990). During this service, the wheels were rotated and the bolts were tightened using the manufacturer's wrench. All tyres were in new condition. A speedometer reading was of 76376 kilometer at the time of accident. The...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... of the seam in the bolt-head areas so that the crack branched in a circumferential direction. Installation and service loads apparently opened the seam, which made it visually detectable. Fig. 2 4340 steel wing-attachment bolt that cracked along a seam. (a) Bolt showing crack (arrows) along...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001617
EISBN: 978-1-62708-227-3
... electrode potential in seawater is slightly less negative than the open-circuit potential, or E Corr . E Corr for NAB and Cu-Ni is approximately −230 and −195 mV, respectively (not widely dissimilar), and the mixed potential is approximately −220 mV versus the saturated calomel electrode.) Most parts of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... causing flow disturbances and was found to be operating only 30% open. This resulted in pressure pulsations in the pipe. The baffle was acting as a low pass filter which allowed the static pressure to equalize but would not let the dynamic pressure pulsations pass. The pressure pulsations were probably...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
... and die failures occasionally result from accidental use of the wrong grade of steel. While this work is underway, the analyst continues macroscopic examination of the fracture features by opening tight cracks (when present). Because quench cracking is a very common cause of failures, the fracture...