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wear-resistant components

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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
... Abstract Wear, a form of surface deterioration, is a factor in a majority of component failures. This article is primarily concerned with abrasive wear mechanisms such as plastic deformation, cutting, and fragmentation which, at their core, stem from a difference in hardness between contacting...
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
... to galling. This explains why cobalt-base alloys and cadmium-plated alloys resist galling, while titanium alloys tend to gall. The factors that affect wear and galling can be design, lubrication, environmental, and material related. Component design is probably the most critical factor. When stainless...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001910
EISBN: 978-1-62708-217-4
... not in the nitrided condition as was required. This resulted in lower wear and fatigue resistance. These components also had a silicon content nearly double of that specified. The high silicon content lowered the notch tensile strength and toughness of the components. Breech bolts Weapons Military...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003568
EISBN: 978-1-62708-180-1
... similar to chip formation in machining, in that pieces of material are removed by the impact of a sharp-edged particle. This component dominates the wear rate at low impact angles. A model for the cutting component was introduced by Finnie ( Ref 50 , 51 , 52 ) and was developed by Bitter ( Ref 45...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... m/s (500 ft/s). Source: Ref 8 The other component of erosion is produced by the component of velocity perpendicular to the surface. Bitter called the component deformation wear ( Ref 50 ). This component involves repeated battering of the surface, leading to the eventual fracture...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001776
EISBN: 978-1-62708-241-9
... of carbides causes an increase in the wear resistance [ 3 ]. This might have been responsible for the considerable unworn portion observed of the original cross section of the teeth of the failed component ( Fig. 1 ). However, as a result of inadequate toughness, it was unable to withstand impact blow during...
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
... to protect metallic surfaces from wear and corrosive wear ( Ref 69 , 70 ). Hard composite-oxide coatings, nitride coatings and multilayered ceramic coatings such as TiC-TiN ( Ref 67 ), are effective in protecting metallic components from wear, corrosion, and corrosive wear due to generally high resistance...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... Abstract Friction and wear are important when considering the operation and efficiency of components and mechanical systems. Among the different types and mechanisms of wear, adhesive wear is very serious. Adhesion results in a high coefficient of friction as well as in serious damage...
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
..., and wear failures. The article provides information on the synthesis and interpretation of results from the investigation. Finally, it presents key guidelines for conducting a failure analysis. chemical analysis corrosion failure corrosion testing data collection failure analysis fracture...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001023
EISBN: 978-1-62708-214-3
.... The wear had been caused by incorrect machining of the shaft splines, which prevented the bevel gear nut from locating correctly against the gear. Aerospace engines Aircraft components Bevel gears Drives Engine components Jet planes Military planes Splines 16 NCD 13 Fretting wear...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001265
EISBN: 978-1-62708-215-0
... failed by fatigue. Implants with porous coatings showed significant loss of the bead coating and subsequent migration of the beads to the articulating surface between the polyethylene tibial component and the femoral component, resulting in significant third-body wear and degradation of the polyethylene...
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
... material performance; the second uses actual components to simulate an accurate contact geometry. Material Performance and Simulation Testing to Examine Impact Wear Fundamental Case Study: Use of Induction Hardening to Improve Impact Wear Resistance of Cast Iron. The continuing development...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003569
EISBN: 978-1-62708-180-1
... horn = 1 mm; vibration amplitude = 50 μm; temperature = 25 °C; liquid: 3% NaCl aqueous solution). Source: Ref 38 Laser Surface Modification To improve wear resistance of components working under corrosion and cavitation conditions, laser surface modification is desirable in engineering...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001536
EISBN: 978-1-62708-229-7
... situations, dilute HCl or HNO 3 is used to dissolve persistent contaminant surface oxide films, but this treatment almost always results in some damage to the underlying component surface. Laboratory personnel are required to wear radiation-monitoring devices when working with radioactive nuclear...
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
... Abstract This article reviews the general characteristics of fretting wear in mechanical components with an emphasis on steel. It focuses on the effects of physical variables and the environment on fretting wear. The variables include the amplitude of slip, normal load, frequency of vibration...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0047321
EISBN: 978-1-62708-224-2
... Abstract A 58.4 cm (23 in.) diam heavy-duty brake drum component of a cable-wound winch broke into two pieces during a shutdown period. Average service life of these drums was two weeks; none had failed by wear. The drums were sand cast from ductile iron. During haul-out, the cable on the cable...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001533
EISBN: 978-1-62708-225-9
... of sliding bearing bush failure in the process of operation have set the urgent tasks of finding the causes of failure and of increasing wear resistance and resistance to fatigue failure of a sliding bearing babbit bush. For this reason, the investigation described in this article was completed to determine...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
.... A modal analysis (refer to previous section) is often required to sort out the causation when both fretting and fatigue damage are identified. Tight-fitting components have less freedom to move with respect to each other, which can minimize fretting wear (refer to Example 9 in this article). Materials...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001755
EISBN: 978-1-62708-241-9
... carbon content produced a large number of hard, wear-resistant carbides in the microstructure [3] to achieve high hardness and wear resistance. The material is tempered after quenching. The higher hardness values in the deformed regions of the inner and outer races are probably due to the excessive...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
..., but axial grooves are easier to make. Fig. 3 Groove arrangements in sliding bearings Apart from axial, circumferential, and spiral grooves, the surfaces of bearings may be textured to improve wear resistance and reduce energy losses by reducing friction. In recent years, improving or modifying...