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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
.... The resulting hardness was HRC 32 to 39. Thread rolling was performed after the hardening treatment. Fig. 1 Photograph showing the typical cylinder clamping rod The failure problem emerged after a value engineering exercise changed the design. The attachment for connecting the carter end...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001127
EISBN: 978-1-62708-214-3
... Abstract Two plastic tank floats in separate toilets in one dwelling failed within a relatively brief period of time. Examination of the floats and of a brass connecting rod revealed that the fracture occurred at the base of the threaded hole in the nipple and was brittle in nature. The...
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 as...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001676
EISBN: 978-1-62708-229-7
...) emitter cable which is coiled around a (10.6-mm diameter) Zircaloy-2 carrier rod. The ends of the detectors are connected to thinner (1-mm diameter) lead cables which carry the signal to an amplifier outside of the reactor core. This ensures that most of the signal received at the amplifier is that...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001594
EISBN: 978-1-62708-229-7
... Abstract Nuclear power plants typically experience two or three high-cycle fatigue failures of stainless steel socket-welded connections in small bore piping during each plant-year of operation. This paper discusses fatigue-induced failure in socket-welded joints and the strategy Texas...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001063
EISBN: 978-1-62708-214-3
... connects the reactor and the condenser, and sees the VAM vapor and the condensate. The bottom tube sheet showed deep pit marks on the shell side, while the top tube sheet was free from any form of corrosion. The baffle plates and the tie rods were completely corroded and practically disintegrated...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... presence of paint on a scraped or indented part. Figure 4 shows a bolt from a diesel engine connecting rod that had stretched after very limited service. Macroscopic examination revealed that the bolt had stretched locally in a region in which the cross section was not a minimum, indicating locally...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001309
EISBN: 978-1-62708-215-0
... . For the conversion to a three-wheeled vehicle, the swing arm on the original motorcycle was cut and the cargo box frame was spliced to form a longer swing arm. The swing arm is connected to the main motorcycle frame through spring/shock units, and forms the rear suspension. Fig. 1 Frame...
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
... universally in diesel engines, and such bearings involve an interference fit between the bearing and the housing. Due to the structural deformation of the connecting rod, fretting damage occurs at the interface of the thin-shell bearings ( Ref 8 – 11 ) ( Fig. 1 ). Fig. 1 Example of fretting and related...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001815
EISBN: 978-1-62708-241-9
... were reportedly manufactured by casting as oversized rods, cold rolling to near final diameter, fourstroke cold-heading of the head features, and final machining of the seal surface shank and threads. No intermediate annealing operations were reported. As shown in Fig. 1 , the service fractures...
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
... 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 of the rods showed that the surface that was machined was very rough and completely unacceptable...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001710
EISBN: 978-1-62708-229-7
... L-Reactor basin, an attempt was made to lift one of the four racks coupled together out of the basin using a chain and hoist arrangement. A T-bar and grooved channel coupled the racks together on each side. The rack did not freely slide in the channel connecting the two racks and the remaining racks...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... possibly lower toughness) will not necessarily result in an improvement of the fatigue strength, because of the observation that an increased strength of the structure, S u , will be connected with a decrease in many of the correction factors, such as a lower material factor, increased sensitivity to the...
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
... rather than evolving entirely as a gas into the surrounding medium. Hydrogen lowers the surface energy of iron and thus can reduce the toughness of steel, causing fracture failure. A common technique used to resist corrosion is cathodic protection, which is achieved by connecting the component with a...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001762
EISBN: 978-1-62708-241-9
.... Figure 4 shows the matching journal half of the axle fracture. Figure 6 shows this same crack path in a glass rod fracture. Fig. 6 Fracture in a glass rod demonstrates a symmetrical compression chip Axle 1 failed with a point origin. This is shown in Fig. 7 . SEM microscopy revealed a...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001695
EISBN: 978-1-62708-229-7
... (VTS) section of K-reactor basin. The fuel rods are suspended underwater from 304-L stainless steel hangers. Note the nodules of aluminum oxide in scratches on the outer surface of the assemblies and around the aluminum/stainless steel interface. Fig. 1 Mark 22 in K-Reactor basin storage...
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
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... contact with each other and with a common conducting fluid (an electrolyte), or it may occur when two similar conductors come in contact with each other via dissimilar electrolytes. The former is the more common condition. When two materials are in electrical contact and connected by an electrolyte, a...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... flat surface, which is nominally perpendicular to the tensile axis. This internal fracture surface grows and finally connects to the outside surface through a change in the mode of fracture to a shear or a slant fracture that is at an angle to the tensile axis. In contrast, fracture in a notched...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... the lamellae are resolvable. A few inclusions are also evident, but one cannot identify them conclusively without seeing their natural color contrast, which is not possible with the replica. Fig. 16 Light micrograph of a ferrite-pearlite microstructure from a carbon steel reinforcing rod...