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Piston rods

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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 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.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 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...
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 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...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... and/or torsional forces. In addition to failures in shafts, this article will discuss failures in connecting rods, which translate rotary motion to linear motion (and conversely) and in piston rods, which translate the action of fluid power to linear motion. abrasive wear adhesive wear axial fatigue...
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 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...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047835
EISBN: 978-1-62708-217-4
... Reference • Fatigue Failures , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 700 – 727 10.31399/asm.hb.v11.a0003544 Visual examination disclosed that the rod had broken into two pieces, approximately 6.4 cm (2.5 in.) from the center of the piston...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001232
EISBN: 978-1-62708-233-4
... of a valve spring, origin of fracture marked by arrow. 10× Fig. 6 Broken cabin bolt from an elevator. 1× Fig. 7 Broken cam of a rolling mill clutch with many vibrational fractures originating from a key-groove, Approx 1 2 × Fig. 8 a). Broken piston rod of a steam...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001434
EISBN: 978-1-62708-236-5
... and piston of the affected cylinder. The top end of the fractured rod is shown in Figure 1 , from which it will be seen that failure took place in line with the lower edge of a deposit of weld metal. The surface of fracture was smooth, conchoidal, and characteristic of that resulting from fatigue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001138
EISBN: 978-1-62708-231-0
... Fig. 1 Side View Of Hi-Rail. Fig. 2 Rear View of Hi-Rail. Fig. 3 Piston Cylinder Arrangement. Fig. 4 Fracture Surface. Abstract Abstract A hi-rail device is a vehicle designed to travel both on roads and on rails. In this case, a truck was modified...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001582
EISBN: 978-1-62708-233-4
... to the piston assembly in a single cylinder diesel engine. The two ends of the clamping rods are identified as the nut and carter ends. The specifications for the nut and carter, in the present application, require a tolerance of 6g . 1 This relatively loose tolerance had been specified for identical cylinder...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001476
EISBN: 978-1-62708-229-7
... Microstructure in zone that had not been overheated. (×50). All the evidence pointed to the probability that a fire had occurred within the vessel. In order to ascertain if excessive “oil-pumping” by the compressor had provided the necessary fuel, the machine was stripped down and the piston rings...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001597
EISBN: 978-1-62708-236-5
... of imposed piston loading. This woody fracture existed prior to machining and induction hardening. The woody fracture location, orientation, and size is similar in both crankshafts. The large woody fracture region was produced by stresses that acted in a cross planar direction as evidenced...
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
... frequencies away from the operating frequency of the conveyor and that a sound absorbing enclosure also be built around the conveyor. A machine that cut chamfer on wrist pin holes on piston rods for automotive engines produced a loud, high-pitch sound during the backside chamfer operation. Examination...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... of a solid surface caused by fracture arising from material fatigue in a corrosive environment. This wear mode is also termed tribocorrosion fatigue ( Ref 8 , 9 ). Components in machinery, such as cylinder piston rods and slide bearings, and facilities used in an offshore corrosive environment can suffer...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001459
EISBN: 978-1-62708-234-1
.... Percussion loading sometimes gives rise to a system of fatigue cracks that are often indistinguishable from those due to tensile loading or bending. Fig. 12 depicts the fracture surface of the piston rod of a pneumatic hammer, the third to fail similarly in thirteen months. The cracks were caused...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... under lubricated conditions. Scuffing is the preferred term when the damage occurs at lubricated surfaces, such as the piston ring-cylinder wall contact. Scoring typically describes damage that takes the form of relatively long grooves. Severe galling can result in seizure of the metal surfaces...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... component deterioration occurs in a wide variety of equipment, such as bulldozer blades, excavator teeth, rock drill bits, crushers, slushers, ball mills and rod mills, chutes, slurry pumps, and cyclones. However, abrasive wear is not limited to these activities. Abrasion presents problems in many wear...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
.... The temperature difference across the heated zone is decreased by continuous heating or scanning of several pistons together on a single bar ( Ref 29 ). For heat treating problems related to furnace design and operation, it is usually suggested that ( Ref 28 ): The vestibules of atmosphere-hardening...