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grinding devices

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001551
EISBN: 978-1-62708-233-4
... were ground. It was found that the natural frequency of the wheel truing device was the culprit. A tuned damped absorber was designed and built to modify the resonance. This eliminated the problem. Grinding machines Printing press rolls Shafts (power) Vibration analysis Structural steel...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... Abstract This article provides a discussion on the metallographic techniques used for failure analysis, and on fracture examination in materials, with illustrations. It discusses various metallographic specimen preparation techniques, namely, sectioning, mounting, grinding, polishing...
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
.... Units also vary in capacity from a single specimen to a half-dozen or more at a time. These systems can be used for all grinding and polishing steps. These devices enable the operator to prepare a large number of specimens per day, with a higher degree of quality than by hand polishing and at reduced...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001359
EISBN: 978-1-62708-215-0
... grinding and use of a suitable suction device would have prevented the particles from striking the blade surface. The blades were made of titanium alloy IMI 550, with a nominal composition of 4% Al, 4% Mo, were manufactured by the closed-die forging process. Targeting bosses flash buttons...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001129
EISBN: 978-1-62708-214-3
.... Microstructural analysis focused on an area where an antisway device had been welded to the structure and revealed the presence of coarse, untempered martensite that had resulted from faulty weld repair techniques. It was suggested that the use of proper welding procedures, including preheating and postheating...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
... is typically a plasma, and the device used to produce such a plasma is commonly termed an emission source ( Ref 2 ). The presence of an element in a sample is indicated by the detection of one or more of the characteristic emission lines of that element. The concentration (mass fraction) of that element...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
...-working and hot-working applications. It reviews problems introduced during mechanical design, materials selection, machining, heat treating, finish grinding, and tool and die operation. The brittle fracture of rehardened high-speed steels is also considered. Finally, failures due to seams or laps...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001849
EISBN: 978-1-62708-241-9
... of the fracture surface topographic features were conducted with a scanning electron microscope (SEM) using a secondary electron detector. Microstructural and morphological characterization was conducted, after hot mounting, in as-polished and etched sections. Wet grinding, with successive abrasive SiC papers...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
..., the EPRI project manager. Cavity formation and collapse in liquids have been studied extensively over the years ( Ref 5 , 6 ). Machines and components that suffer cavitation damage include hydraulic pumps, valves, hydroturbine runners and guide vanes, ship propellers and hydrofoils, mechanical devices...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001804
EISBN: 978-1-62708-241-9
....2006.11.010 4. Sivakumar M.M. , Kamachi Mudali U. , Rajeswari S. , Investigation of failures in stainless steel orthopaedic implant devices fatigue failure due to improper fixation of a compression bone plate . J. Mater. Sci. Lett. 13 , 142 – 145 ( 1994 ) 10.1007/BF00416827 5...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... the failure is recorded. There also are situations where it is essential to perform failure analyses on the site. While it is recommended that examination be done in a laboratory, the requirements for on-site testing may involve the use of portable laboratories with metallographic equipment for grinding...
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
... position, for example, devices such as solenoid valves, it is likely that both will experience surface degradation and two-body wear will occur. However, if one of the surfaces is more prone to wear than the other, one-body wear may still result. In bodies subjected to repetitive impulse loading...
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
... the engine performance condition by the defect analyzer device, it was found that there were no knocks. This was due to the crack initiation and decreasing of the cylinder head stiffness. It should be mentioned that until 300 h of the endurance test, fuel type was gasoline and then changed to compressed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
..., to conduct spalling tests of hammers, McIntire and Manning designed the device shown in Fig. 1 , which is capable of producing hammer-head velocities in the range of 14 to 33 m/s (45 to 107 ft/s). In the words of McIntire and Manning, “The hammer handles were held in a rubber-lined clamp attached at one end...
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
... concentrators produced during fabrication include grinding damage, machining marks or nicks, and quench cracks resulting from heat treating operations. Frequently, stress concentrators are introduced during hot or cold forming of shafts; these include surface discontinuities, such as laps, seams, pits...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... to the part. Grinding, cutting, or scraping can introduce foreign media or heat the surface to a point of oxide formation or decomposition for polymers. Improper tapes and adhesives could leave residues that are detected by more sensitive techniques and can be misinterpreted as part of actual data...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... typeface that is repeatedly impacted against continually renewed paper. In situations where a body repetitively impacts at the same position, for example, in devices such as solenoid valves, it is likely that both will experience surface degradation and two-body wear will occur. However, if one...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048420
EISBN: 978-1-62708-226-6
... Abstract Fretting and fretting corrosion at the contact area between the screw hole of a type 316LR stainless steel bone plate and the corresponding screw head was studied. The attack on the 316LR stainless steel was only shallow. Mechanical grinding and polishing structures were exhibited...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
... gears include rear drives for heavy vehicles, planetary gear systems, and speed-reducing devices. Internal gears are sometimes used in compact designs because the center distance between the internal gear and its mating pinion is smaller than that required for two external gears. Figure 5(b) shows...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
... , 12 ) and chemical processing plants ( Ref 13 ). A large contribution to the fretting in these industries is from impact fretting, which is discussed in the section “Impact Fretting” of this article. Another example where movement is an integral part of the modus operandi of the device...