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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.9781627082181
EISBN: 978-1-62708-218-1
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0046981
EISBN: 978-1-62708-218-1
... Abstract The exhaust valve of a truck engine failed after 488 h of a 1000 h laboratory endurance test. The valve was made of 21-2 valve steel in the solution treated and aged condition and was faced with Stellite 12 alloy. The failure occurred by fracture of the underhead portion of the valve...
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
... Abstract Both halves of a gray cast iron transmission housing from a 50-ton dump truck were found to contain numerous cracks. The housing material was possibly G3000 grade designation for automotive gray cast iron. No service duration or material specifications were provided. Investigation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001139
EISBN: 978-1-62708-221-1
... Abstract A truck-mounted hydraulic crane had a horizontal thrust bearing with one race attached to the truck and the other to the rotating crane. The outside race of the bearing was driven by a pinion gear, and it is through this mechanism that the crane body rotated about a vertical axis...
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
... Abstract Four truck cross members intended for use in heavy-duty transport trucks were investigated. Two of the members had cracked on a prototype vehicle and two had been fatigue tested in the laboratory. The cross members were fabricated from SAE 950X plate and consisted of a formed channel...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001388
EISBN: 978-1-62708-215-0
... Abstract JIS SCM435 steel bolts that connected the slewing ring to the base carrier on a truck crane failed during the lifting of steel piles. The bolts were double-ended stud types and had been in operation for 5600 h. Failure occurred in the root of the external thread that was in contact...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001704
EISBN: 978-1-62708-218-1
... Abstract Several type 304 stainless steel fire truck water tanks developed through-wall leaks after being in service for approximately two years. One representative tank underwent a comprehensive laboratory analysis, which included metallographic examinations and chemical analyses...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047148
EISBN: 978-1-62708-235-8
... Abstract A connecting rod (forged from 15B41 steel and heat treated to a hardness of 29 to 35 HRC) from a truck engine failed after 73,000 Km (45,300 mi) of service. A piece of the I-beam sidewall of the rod, about 6.4 cm (2 in.) long, was missing when the connecting rod arrived at a laboratory...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001383
EISBN: 978-1-62708-215-0
... cracking 1340 UNS G13400 Hydrogen damage and embrittlement Surface treatment related failures Background Several wheel studs fractured in a brittle manner after very limited service life. Applications Most heavy truck wheels are clamped to steer axle and drive axle hubs using ten...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001005
EISBN: 978-1-62708-215-0
... Abstract Several heavy truck Cr-Mo steel steering arms in service less than three years fractured during stationary or low-speed turning maneuvers that required power-assisted steering. Metallographic examination of the cracked AISI 4135 arms, heat treated to a hardness of 285 to 341 HB...
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Published: 01 June 2019
Fig. 1 Highway-truck equalizer beam, sand cast from low-alloy steel, that fractured because of mechanical cracking. (a) Fracture surface; detail A shows increments (regions B, C, D, and E) in which crack propagation occurred sequentially. Dimensions given in inches. (b) Micrograph More
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Published: 01 June 2019
Fig. 1 Cracking in a truck transmission housing. (a) A typical crack at a stiffening rib. (b) An opened crack at a stiffening rib exhibited brittle features. (c) Longitudinal metallographic cross section showing secondary brittle cracking along the graphite flakes. 2% nital etch. 59× More
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Published: 01 June 2019
Fig. 1 Truck Mounted Crane. More
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Published: 01 June 2019
Fig. 1 15B41 steel forged truck connecting rod that failed in service from fatigue initiated at a forging lap. (a) Connecting rod and a detail of the I-beam portion showing the forging lop in one wall. 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
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Published: 01 June 2019
Fig. 1 Failed truck beam with axle still in place. Failure originated at the inside diameter of the axle lug, path of fracture is outlined by the parallel black lines, × 1 12 . More
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Published: 01 June 2019
Fig. 11 Forward end of failed truck beam. More
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Published: 01 June 2019
Fig. 1 A view of the fractured truck beam of the main landing gear (MLG) at the site of failure. More
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Published: 01 June 2019
Fig. 2 A side view of the fractured truck beam of the main landing gear. More
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Published: 01 June 2019
Fig. 3 Fractured main landing gear truck beam with axles as received. More