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Cavitation

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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
... Abstract This article considers two mechanisms of cavitation failure: those for ductile materials and those for brittle materials. It examines the different stages of cavitation erosion. The article explains various cavitation failures including cavitation in bearings, centrifugal pumps...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001486
EISBN: 978-1-62708-234-1
... Abstract Cavitation damage of diesel engine cylinder liners is due to vibration of the cylinder wall, initiated by slap of the piston under the combined forces of inertia and firing pressure as it passes top dead center. The occurrence on the anti-thrust side may possibly result from bouncing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046414
EISBN: 978-1-62708-234-1
... nearly identical conditions, drawing water from an open tank through a standpipe, had no observable failures. Etched micrographs 100x of samples taken from the impellers showed clean, pockmarked, severely eroded surfaces, characteristic of cavitation damage. Investigation also revealed that considerable...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046418
EISBN: 978-1-62708-234-1
... contributing factors to localization of the cavitation erosion. Recommendations included adopting inspection procedures to ensure that the specified properties of aluminum alloy 6061-T6 were obtained and that the combustion chamber and adjacent components were aligned within specified tolerances. In a similar...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001718
EISBN: 978-1-62708-220-4
.... No material or manufacturing defects were found to explain the different service performance of the two impellers. Microstructure, microhardness and material chemistry are consistent with the specified material. Examination reveals the damage mechanism to be corrosion-enhanced cavitation erosion, the most...
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Published: 01 January 2002
Fig. 4 Cavitation erosion: incubation stage of Ti-6Al-4V on vibratory cavitation test. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 9 Impeller specimen showing cavitation damage and porous zones. (a) Cavitation pits (top-left arrow) and porous zones (bottom-right arrow) in an unetched transverse section of impeller 1. 2.5×. (b) Microsection from a cavitation zone. Etched with V2A reagent. 100×. Source: Ref 11 More
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Published: 01 January 2002
Fig. 2 Wear surface by cavitation of copper-base alloy in a lubricated gearbox. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 3 Wear surface of Al 2 O 3 after vibratory cavitation test. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 5 Wear surface of 304 stainless steel after vibratory cavitation test. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 6 Cavitation erosion of main bearing of diesel engine. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 8 Wear traces on a plain bearing surface initiated by cavitation. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 9 Wear on suction surface of centrifugal pump impeller by cavitation and solid particle erosion. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 10 Wear on pressure surface of centrifugal pump impeller by cavitation and solid particle erosion. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 11 Cavitation erosion on tooth surfaces subject to vibrations. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 12 Cavitation erosion on side surface of a gear pump subjected to vibrations. Courtesy of CETIM More
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Published: 01 January 2002
Fig. 22 Schematic of a typical vibratory erosion/cavitation test apparatus. Source: Ref 54 More
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Published: 01 January 2002
Fig. 23 Examples of rotating disk and rotating arm erosion: cavitation test apparatuses. (a) Small, relatively low-speed rotating disk and jet apparatus. (b) Large, high-speed rotating arm spray apparatus. Source: Ref 55 More
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Published: 01 January 2002
Fig. 1 Exposure to vibratory cavitation of normalized AISI 1020 steel. (a) Damage after 5 min. (b) Material removal after 10 min More
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Published: 01 January 2002
Fig. 2 Vibratory cavitation erosion of CA-6NM martensitic stainless steel. (a) Deformation rumpling and pitting at lath boundaries. (b) Early stage of material removal More