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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001332
EISBN: 978-1-62708-215-0
... Abstract A cracked 356 mm (14 in.) diam slip-on flange (Ni-Cr-Mo-V steel) was submitted for failure analysis. Reported results and observations indicated that the flange was not an integral forging or a casting, as specified. It had been fabricated by welding and machining a ring insert within...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
... Abstract This article reviews the general characteristics of fretting wear in mechanical components with an emphasis on steel. It focuses on the effects of physical variables and the environment on fretting wear. The variables include the amplitude of slip, normal load, frequency of vibration...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001802
EISBN: 978-1-62708-241-9
... unaffected. The damage begins as slip line formation due to plastic deformation, which progresses to cracking at high strain levels. The cracks appear to initiate from slip lines and extend in shear (mode II) manner. surgical wire fracture compressive damage nitinol cracking scanning electron...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0047846
EISBN: 978-1-62708-218-1
... Abstract An 8640 steel shaft installed in a fuel-injection-pump governor that controlled the speed of a diesel engine used in trucks and tractors broke after few days of operation. The mechanism that drove the shaft was designed to include a slip clutch to protect the governor shaft from shock...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0092155
EISBN: 978-1-62708-221-1
... Abstract Component slippage in the left-side final drive train of a tracked military vehicle was detected after the vehicle had been driven 13,700 km (8500 miles) in combined highway and rough-terrain service. The slipping was traced to the mating surfaces of the final drive gear and the...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001274
EISBN: 978-1-62708-215-0
... deflection of the tray handles that had occurred in the failed tray. Full distortion of the handles was obtained experimentally only by dropping a full hot tray on its end onto the floor. The test results indicated that the tray had slipped from the hand of the user. Bending Deflection Food packaging...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0048819
EISBN: 978-1-62708-233-4
... the crack origin were revealed by microscopic examination and cracking was found to be transgranular. Periods of corrosion alternated with sudden instances of cleavage, under a tensile load, along preferred slip planes were interpreted during examination with a microscope. It was concluded that the...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001424
EISBN: 978-1-62708-233-4
... Abstract Two examples concerning fabricated mild steel rotor spiders which failed due to lack of torsional rigidity, probably supplemented by the presence of high internal stress, are described. The machine concerned in the first case was a 3,000 hp three-phase slip-ring motor. In the second...
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
... air), and there was very limited plasticity. Macroscopic progression markings were observed on fracture surfaces of several couplings but were not generally evident. At very high magnifications, numerous slip lines, progression markings, and striations were observed. In a few cases, where complete...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001175
EISBN: 978-1-62708-231-0
... of the boiler was polished and etched with Fry-solution, which revealed parallel striations formed due to the cold bending of the plate. The zones of slip were concentrated around the rivet holes. The cracks were formed here. The structure examination proved that the cracks had taken an exactly...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0006897
EISBN: 978-1-62708-222-8
... wire is 2.6 mm (0.102 in.) diam annealed copper, and the clamp assembly must withstand a 2470 N (555 lb) load without breaking or slipping. A number of these clamps, located a few hundred feet from the ocean, have failed. The sharply broken wire indicated to weakening by abrasion. The copper tail wire...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048413
EISBN: 978-1-62708-226-6
... Abstract A type 316L stainless steel angled plate failed. The fatigue fracture was found to have occurred at a plate hole. Symmetric cyclic bending forces were revealed by the fatigue damage at the fracture edge at the top surface of the plate. Fatigue striations and slip bands produced on the...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048423
EISBN: 978-1-62708-226-6
... the distal fragment. Gas pores are apparent in the grain and at the grain boundaries were revealed by a transverse section. Fine parallel line structures that run diagonally through the fractograph may be slip traces were revealed by scanning electron microscopy. One of the cracks was revealed to have...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048403
EISBN: 978-1-62708-226-6
... dimples in grain identified by the numeral 1 in (b). (d) Slip traces in grain identified by the numeral 2 in (b). (e) Gas holes with dendritic freezing surfaces (double arrows, a). (f) Longitudinal section through identical screw with starting shearing damage. 10×. (g) Shearing crack (arrow, f). 130...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001263
EISBN: 978-1-62708-224-2
... subsidiary cracks in the longitudinal section. 200 × Fig. 3 Cleavage of a pearlite grain. 1250 × It is well known that pronounced slip planes and cleavage cracks often form in ferritic steels which have become brittle due to ageing. On the other hand, this type of fracture in a predominantly...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001190
EISBN: 978-1-62708-235-8
... process of forming the threads by rolling. An increase in deformation is noted particularly at the right side of the thread ( Fig. 3 , location a). The typical deformation structure of such a region can be recognized in Fig. 4 by the elongated grains and by the large number of slip-lines. In contrast...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001080
EISBN: 978-1-62708-214-3
... Locking nut with the two pins intact. Fig. 3 Details of disk locking arrangement. Analysis of the design revealed that the locking mechanism did not take into account the slippage of the turbine disk. If the disk slipped, it would automatically loosen the locking nut ( Fig. 4 ). The two...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001363
EISBN: 978-1-62708-215-0
...). The softened races deformed under load, and eventually the balls slipped across the races. This first slip in the pitch control system occurred about 23 s prior to the rotor separation (T-23 s), according to the data trace of blade pitch in Fig. 13 . This slip was estimated from the data to be about...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
..., which was termed slip, had to occur. The next important stage in the development of fretting studies was made in 1941, when fretting damage was produced on the gage length of steel fatigue specimens, and a subsequent reduction in fatigue strength of 13 to 17% was found due to pitting of the surface...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001337
EISBN: 978-1-62708-215-0
...) suggests that they formed at sites associated with internal strain bands (possibly slip planes that formed in the steel from the original manufacturing of the tube) in the steel ( Ref 2 , 3 ). Thus, the term “slip-plane graphitization” has been coined. Nucleation then proceeds at sites of higher...