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spalling

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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
...Abstract Abstract This article briefly reviews the analysis methods for spalling of striking tools with emphasis on field tests conducted by A.H. Burn and on the laboratory tests of H.O. McIntire and G.K. Manning and of J.W. Lodge. It focuses on the metallography and fractography of spalling...
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Published: 01 January 1996
Fig. 4 Contact fatigue spalling of cam lifter surface. Source: Ref 3 More
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Published: 01 January 1996
Fig. 5 Pitch line spalling of medium-hardened gears. Source: Ref 4 More
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Published: 30 August 2021
Fig. 7 Surface of an AISI A4 primer cup plate showing spalling at one of the 3.2 mm (⅛ in.) diameter holes made by electrical discharge machining (EDM). The surface was etched with 10% aqueous nitric acid to bring out the influence of the EDM operation at the spall. Original magnification: 2.5× More
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Published: 30 August 2021
Fig. 49 Damage from surface deterioration and spalling in the drawn-cup outer raceway of a needle-roller bearing because the rollers were overloaded at one end (misalignment may be a potential root cause) More
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Published: 30 August 2021
Fig. 53 (a) Severe spalling damage on the end of a shaft that served as a roller-bearing raceway (reduces bearing without inner ring). The spalling was initiated at subsurface inclusions on a cylindrical roller due to foreign particle indentation and inadequate lubrication (flaking). (b) Example More
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Published: 01 January 2006
Fig. 12 Corrosion-induced spalling of overlying concrete on reinforced columns. See also Fig. 13 . More
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Published: 01 January 1996
Fig. 9 Developing spall. (a) Top view of developing spall at race surface dent. (b) Section through developing spall showing subsurface cracking Source: Ref 4 More
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Published: 01 January 2000
Fig. 7 Badly spalled and fractured Vickers indentation in boron carbide at indentation loads of (a) 9.8 N (1 kgf) and (b) 98.0 N (10 kgf) More
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Published: 01 January 2000
Fig. 10 Spall data for low-carbon 1020 steel More
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Published: 01 January 2000
Fig. 11 Free surface velocity data when spall occurs More
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Published: 01 January 2000
Fig. 14 High-temperature spall experiments. (a) Impact configuration. (b) Lagrangian t-X diagram of spall configuration. Source: Ref 44 More
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Published: 01 January 2000
Fig. 19 In-material gage profiles from spall experiments. (a) Longitudinal profiles. Gage profile on the left shows a strong reduction in spall strength (measurement behind the so-called failure wave front). (b) Transverse profiles showing transverse stress histories at two locations within More
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Published: 01 January 1996
Fig. 1 Scanning electron micrograph of a fatigue spall on a roller from a roller bearing after 630,000 cycles. Roller is AISI 1060 steel, hardened to 600 HV. Spall is 400 μm wide by 700 μm long. More
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Published: 01 January 1996
Fig. 2 Anatomy of a race spall in a ball bearing. (a) Typical delta shape with the apex at the origin. (b) Profiles of the spall. Source: Ref 2 More
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Published: 01 January 1996
Fig. 3 Multiple spall near a race shoulder More
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Published: 01 January 1996
Fig. 7 Shelly rail spall from wheel-rail contact fatigue. Source: Ref 5 More
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Published: 01 January 1996
Fig. 8 Point surface origin fatigue. (a) Spall initiated at debris bruise on roller (4.55×). (b) Enlarged view of dent (100×) More
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Published: 30 August 2021
Fig. 8 Microstructures associated with the spalled hole ( Fig. 7 ) caused by improper electrical discharge machining technique. Etched with 3% nital More
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Published: 30 August 2021
Fig. 11 Two views of an AISI S1 tool steel cutter die that cracked and spalled after regrinding. (a) As-received condition. (b) The cracks have been accentuated by use of magnetic particles. Also note the grinding scorch pattern (the dark parallel lines perpendicular to the cracks). More