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Pistons

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001543
EISBN: 978-1-62708-218-1
... Abstract To determine the effect of severe service on cast 357 aluminum pistons, a metallurgical evaluation was made of four pistons removed from the engine of the Hawk-Offenhauser car which had been driven by Rich Muther in the first Ontario, California 500 race. The pistons were studied...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0089657
EISBN: 978-1-62708-233-4
... Abstract The gun mount used in two types of self-propelled artillery consists of an oil-filled recoil cylinder and a sand-cast (MIL-I-11466, grade D7003) ductile-iron piston that connects to the gun tube through a threaded rod. The piston contains several orifices through which oil is forced...
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Published: 01 June 2019
Fig. 1 Cast of 357 aluminum, these racing car engine pistons became severely damaged during a 500 mile race. Number 1 has a crumbly deposit on the crown; No. 2 and 3 have carbonaceous deposits; and No. 4 is badly dented. More
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Published: 01 June 2019
Fig. 2 Pictured from top to bottom, typical defects noted in damaged pistons include (1) crumbly crown deposit — Piston No. 1, 7×; (2) crack above piston ring — Piston No. 1, 7×; (3) cracks under the crown — Piston No. 2, 4×; and (4) skirt crack, opened to show fracture surface — Piston No. 3 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001408
EISBN: 978-1-62708-220-4
... Abstract Initially, two vertical double-acting two-stage compressors delivering chlorine gas at a pressure of 100 psi appeared to be running satisfactorily. About six months later the LP piston-rod of the No. 2 compressor failed due to burning, the compressor being worked double-acting...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001417
EISBN: 978-1-62708-227-3
... Abstract A marine diesel running at 350 rpm had satisfactorily completed 13,000 h before failure of one of the piston pins took place. The pin, 17 in. long, with a central bore of 3 in. diam, failed transversely approximately 3 in. from one end. The characteristic conchoidal markings indicative...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001154
EISBN: 978-1-62708-223-5
... Abstract The cause of fracture of two piston rods of hammers of a drop forge was determined. The first rod of 180 mm diam consisted of an unalloyed steel with 0.37% C and 0.67% Mn and had a strength of 56 kp/sq mm at 26% elongation. Fatigue fractures propagated from several points which could...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001413
EISBN: 978-1-62708-223-5
... Abstract The fractured end of a piston rod of a hydraulic press failed in line with the leading face of the piston retaining nut. Although the nut apparently had been seated uniformly, the face was polished, indicating that relative movement between it and the piston had taken place. Failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001556
EISBN: 978-1-62708-218-1
... Abstract A few Cr-Mo steel piston rods from different production batches were found identically cracked in the eye end near the radius after chrome plating and baking treatment. Two of them cracked in the plating stage itself instantly broke on slight tapping. Cracking initiated from the outer...
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Published: 01 June 2019
Fig. 3 Piston half of fracture showing cracks running into piston from shoulder line. 20 × More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001156
EISBN: 978-1-62708-218-1
... Abstract The piston rod of a steering damper on a single decker bus fractured after 100,000 miles of service in the fully-extended left full-lock position. The steering damper, which is similar in shape and operation to a telescopic shock absorber, was secured by ball joints locked with slotted...
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Published: 01 June 2019
Fig. 1 Piston for a gun-recoil mechanism, sand cast from ductile iron conforming to MIL-I-11466, grade D7003, that fractured in fatigue because of vermicularity of graphite. (a) and (b) Two different views of the piston showing fractures; A and B indicate orifices (see text). Approximately More
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Published: 01 June 2019
Fig. 8 a). Broken piston rod of a steam hammer. Fracture surface. 1 2 × b. Edge zone near the origin of the vibrational fracture, etched in nital. 80× More
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Published: 01 June 2019
Fig. 2 Failed outer ejector piston installed through the swaybrace assembly from an ejector rack. More
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Published: 01 June 2019
Fig. 14 MPI indications of randomly oriented cracks in a piston, highlighted using ultraviolet illumination. More
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Published: 01 January 2002
Fig. 49 Piston for a gun-recoil mechanism, sand cast from ductile iron conforming to MIL-I-11466, grade D7003, that fractured in fatigue because of vermicularity of graphite. (a) and (b) Two different views of the piston showing fractures; A and B indicate orifices (see text). Approximately More
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Published: 01 June 2019
Fig. 3 Piston Cylinder Arrangement. More
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Published: 01 June 2019
Fig. 1 Fractured piston rod showing polished face of nut. More
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Published: 01 June 2019
Fig. 1 Fracture of piston rod of 180 mm diameter. approx. 2 3 ×. More
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Published: 01 June 2019
Fig. 5 Fracture of piston rod of 120 mm diameter. approx. 2 3 × More