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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001121
EISBN: 978-1-62708-214-3
... Abstract An AISI D2 tool steel insert from a forming die used in the manufacture of automotive components failed prematurely during production. Results of various analyses and simulation tests indicated fatigue failure resulting from improper heat treatment. The fatigue fracture originated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090442
EISBN: 978-1-62708-218-1
... Abstract A number of plastic sleeves used in an automotive application cracked after assembly but prior to installation into the mating components. The sleeves were specified to be injection molded from a 20% glass-fiber-reinforced polybutylene terephthalate (PBT) resin. After molding...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0091893
EISBN: 978-1-62708-218-1
... position without bearing rotation. Recommendations included improving methods of securing the vehicle during transportation to eliminate vibrations. Automotive components Fretting Vibratory stresses 52100 UNS G52986 Fretting wear The front-wheel outer angular-contact ball bearing shown...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090626
EISBN: 978-1-62708-218-1
... the compressive residual-stress levels in the springs. Recommendation was made to increase the time the spring was shot peened from 12 to 60 min. Automotive components Residual stresses Shot peening Spring steel Surface treatment related failures A steel spring used in an automotive application...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0092131
EISBN: 978-1-62708-234-1
.... Recommendations included using quenched-and-tempered steel instead of patented and cold-drawn steel or using a more expensive chromium-vanadium alloy steel instead of plain carbon steel; the chromium-vanadium steel would also need to be quenched and tempered. Automotive components Distortion Springs...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001901
EISBN: 978-1-62708-218-1
... until no effervescence is observed. Automotive components Depolymerization Differential scanning calorimetry Housings Sensors Thermogravimetric analysis Polyoxymethylene (Other, miscellaneous, or unspecified) failure Thermogravimetric analysis (TGA) and differential scanning...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001182
EISBN: 978-1-62708-218-1
... was welded on to the valve seat. Fracture was a consequence of fatigue corrosion cracking, itself strongly promoted by the presence of sulphur compounds. The origin of these corrosive sulphur compounds could not be explained. Automotive components Exhaust valves Sulfur compounds Valve steel...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001760
EISBN: 978-1-62708-241-9
... around the hole Abstract This article presents a failure analysis of an aluminum cylinder head on an automotive engine. During an endurance test, a crack initiated from the interior wall of a hole in the center of the cylinder head, then propagated through the entire thickness of the component...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001360
EISBN: 978-1-62708-215-0
..., fatigue crack propagation, and final rapid fracture in a ductile manner The fatigue crack originated near a rivet hole. Automotive components Engine components Trucks 301 UNS S30100 Fatigue fracture Background A blade from the engine cooling fan of a pickup truck fractured unexpectedly...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001035
EISBN: 978-1-62708-214-3
..., indicating that the axle failure did not initiate the accident. Automotive components Cleavage Trucks Fe-0.30C Brittle fracture Background A rear axle (∼0.30C steel) of a light pickup truck that overturned in an accident had a fracture adjacent to the bearing lock nut ( Fig. 1 ). The other...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001036
EISBN: 978-1-62708-214-3
... of the Blazer were on at the time of the collision. Automotive components Electric lamps Lights Tungsten Unalloyed tungsten Brittle fracture Background A 1984 Chevrolet Blazer occupied by three young men and a young woman ran out of gas in an urban area at night. The three young men began...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... the impact of wear failure on automotive engine inlet valves and seat inserts. automotive engine inlet valves ballistic impact wear apparatus ceramics impact wear impact wear modeling impact wear testing mechanical components metals pivotal hammer impact wear apparatus polymers seat inserts...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090466
EISBN: 978-1-62708-218-1
... Abstract A production lot of mechanical hinges used in an automotive application had failed during incoming quality-control routine actuation testing. A change in part supplier had taken place between the approval of the prototype parts that performed acceptably and the receipt of the first lot...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... Abstract This article provides a discussion on the structural ceramics used in gas turbine components, the automotive and aerospace industries, or as heat exchangers in various segments of the chemical and power generation industries. It covers the fundamental aspects of chemical corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001514
EISBN: 978-1-62708-218-1
... frequency of their physical inspection during production. A similar case involving faulty welds in a fuel delivery truck is also discussed. Automotive components Weld defects Weldments Welded steel Joining-related failures The front wheel drive hatchback automobile shown in Figure 1...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0090938
EISBN: 978-1-62708-221-1
... removed from a cast component may not necessarily bear relation to grade/condition determination that is based on separately poured test bars, results were suggestive of the G3000 grade designation for automotive gray cast iron. The typical fracture morphology within the matrix was transgranular cleavage...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001759
EISBN: 978-1-62708-241-9
... of Automotive Components , vol. 57 , no. 4 , pp. 381 – 396 . IMST Institute , Nagoya, Aichi ( 2004 ) Selected References Selected References • Becker W.T. , Mechanisms and Appearances of Ductile and Brittle Fracture in Metal , Failure Analysis and Prevention , Vol 11 , ASM Handbook...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001041
EISBN: 978-1-62708-214-3
... alleviated the problem. Automotive components Chassis Fillet welds Frames Low-cycle fatigue Weldments SAE 950X Joining-related failures Fatigue fracture Background Two truck cross members fabricated from SAE 950X plate, comprising a formed channel section and an internal fillet-welded...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001037
EISBN: 978-1-62708-214-3
... of the design to eliminate the raised central section were recommended. Engine components Low-carbon steel Brittle fracture Heat treating-related failures Background Six wrist pins designed especially for a high-performance six-cylinder automotive engine failed after 4800 km (3000 mi) of normal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001157
EISBN: 978-1-62708-218-1
... nor permit repair-welds on highly stressed machine parts and especially vehicle components. Automotive wheels Bushings Welded steel Joining-related failures Fatigue fracture One of the rear wheels spun off a sports car of the racing type during a run on the express highway...