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Bearings

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270095
EISBN: 978-1-62708-301-0
...Abstract Abstract A pair of bearings mounted side by side in an aircraft engine failed in service. Photographs show that the inner rings were either broken or deformed, the balls were worn and flattened, and the cages severely damaged. The bearing races were damaged as well, but only on one...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270197
EISBN: 978-1-62708-301-0
... Fig. CH55.1 Failed bearing Fig. CH55.2 The bearing in the dismantled condition showing the inner and outer ring raceways, the split cage, and the bearing balls It was noticed that the grease was contaminated and turned black. After dissolving it in solvent and filtering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270097
EISBN: 978-1-62708-301-0
... that one of the bearings had been subjected to excessive friction, evidenced by brinelling, metal flow, heat tinting, deformation, and wear. They also observed extensive grooving on a retaining plate and several washers matching the diameter of the outer bearing races. Based on their findings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270072
EISBN: 978-1-62708-301-0
...Abstract Abstract This chapter documents the key findings of an investigation into the failure of an aircraft’s main wheel bearing housing. Using annotated images and a detailed SEM fractograph, it shows what investigators observed that led them to conclude that the flange on one of the hubs...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170528
EISBN: 978-1-62708-297-6
... and properties of lead used in battery grids, type metals, and bearings. It, likewise, discusses the use of tin in various types of solder and in bearings and provides composition and property data for application-specific designations and grades. The article also discusses the effect of impurities in tin-lead...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780216
EISBN: 978-1-62708-281-5
... with their associated results. A brief discussion on the linear elastic fracture mechanics method is presented, along with an example of its effectiveness as a predictive tool for impact performance. Various issues with a bearing on impact performance, such as processing, chemical attack, and aging, are also described...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140107
EISBN: 978-1-62708-264-8
...Abstract Abstract The first step in the hardening of steel is getting it hot enough to form austenite, from which martensite can form upon quenching. Not all steels have the same austenitization requirements, however. High-carbon wear-resistant steels, such as bearing and tool steels, require...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540001
EISBN: 978-1-62708-309-6
.... It then goes on to analyze the stress state of load-bearing members, pressurized tubes, and pin-loaded lugs, accounting for the effect of geometric discontinuities, such as cutouts, fillets, and holes, as well as cracks. It also explains how finite element methods are used to solve problems involving complex...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090135
EISBN: 978-1-62708-266-2
... (such as chlorides, bromides, iodides, and fluorides), sulfur-bearing compounds (such as H2S and sulfur-oxyanions), high-temperature and supercritical water, and caustics (such as NaOH), while accounting for temperature, composition, microstructure, properties, environmental contaminants, and other factors...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260087
EISBN: 978-1-62708-336-2
... Source: Ref 16 Fig. 8 Choke and relief in die bearing. (a) Choke at front of bearing. (b) Increased relief angle at the back or exit side of the bearing Fig. 1 Tooling configuration in direct extrusion process with feeder plate die for softer alloy. 1, feeder plate; 2, die; 3, backer...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300047
EISBN: 978-1-62708-323-2
... of lubricants Fig. 3.9 Schematic of a rolling element bearing test; a, test bearing; b, sensors for friction force, temperature, vibration, etc. Fig. 3.10 Schematic of a rolling friction test. The farther the ball rolls after leaving the ramp, the lower the rolling resistance of the ball...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... dispersion throughout the laminate. Keep the laminate as symmetric and balanced as possible. Ply concentrations of the same angle do not allow load shearing between plies. 5. Composite joints should be designed to fail in either bearing or tension. Shear-out failures result in low joint strengths. 6...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... as stress concentrations that can cause fracture of the major part. This is particularly true with respect to gear teeth. In bearings, the pits increase the rolling resistance and can lead to overheating of the bearing and increased loads on other components. Also, the metal removed from the cavities...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260245
EISBN: 978-1-62708-336-2
... temperature in a controlled atmosphere to improve expensive die life and to finally improve the surface finish of extrusion. Further improvements continue. With the application of computers in both the design and manufacturing of extrusion dies, it has been possible to use very small bearing lengths...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
..., etc.) systems and foe in vehicles where fuel consumption is a factor. Whatever the case, friction is a necessary design consideration, and it must be addressed in materials selection for tribosystems. Bronzes may be the oldest bearing material after wood on wood, and tin bronzes in the form...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260029
EISBN: 978-1-62708-336-2
..., in. (mm) 6.38 (162) Temperature, °F (°C) 806 (430) Die Shape Hollow square, 2 in. 2 (50.8 mm 2 ) Bearing length, in. (mm) 0.08–0.14 (2.0–3.5) (blended) Temperature (start), °F (°C) 824 (440) Extrusion ratio 90 Chemical composition of billet (6063 alloy) Table 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300301
EISBN: 978-1-62708-323-2
... plastic plain bearings (bushings) Fig. 11.19 Types of composite fabrics used in fabric-lined plain bearings. Some are woven with a synthetic fluorine-containing resin as one member (warp or woof). Fig. 11.20 Formation of Schallamach waves when rubber slides on a smooth surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... Water content Mostly in used oil Corrosivity Ability of an oil to attack solids Molecular weight Size of molecules in predominating oil Viscosity index (VI) Temperature dependence of the viscosity of an oil (high VI means less change) Fig. 14.11 Schematic of an air bearing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... that are insoluble in each other. Because adhesive wear is a microwelding process, it follows that if two metals are not weldable to each other, there can be no adhesive wear. This is exactly the principle that is used in developing alloys for sliding bearings; for example, do not use steel against steel in sliding...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300227
EISBN: 978-1-62708-323-2
... of friction (μ k ) of various stainless steel couples wear tested in a thrust bearing type of contact. (e.g., Fig. 9.8 ) Fig. 9.8 Schematic of a thrust-washer configuration for friction and wear testing Fig. 9.9 A typical galling test specimen. One revolution of a ½-inch diameter flat...