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cavitation resistance

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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
... cavitation in bearings, centrifugal pumps, and gearboxes. It provides information on the cavitation resistance of materials and other prevention parameters. The article describes two American Society for Testing and Materials (ASTM) standards for the evaluation of erosion and cavitation, namely, ASTM...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001779
EISBN: 978-1-62708-241-9
... were the dominant failure mechanisms and that the materials and processes used to make the pumps were largely unsuited for the application. pump casing cavitation wear erosion steel shrinkage pits and voids scanning electron microscopy cavitation resistance C30 (low-carbon steel alloy...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001809
EISBN: 978-1-62708-241-9
... for the original pump that lasted over 40 years. The replacement pump was slightly oversized, which had the potential to cause erosion or cavitation. The impeller was coated with a brushable ceramic, which was typical for seawater impellers, for additional corrosion resistance and mechanical strength. The pump...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001202
EISBN: 978-1-62708-234-1
... of the blade. Numerous cavitation pits were seen on the inner side of the front wall visible through the breaks in the back wall. The back wall of the as yet intact second impeller which did not show such deep cavitation pits was cracked in places along the line of the blades. The microstructure consisted...
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
..., the most severe form of erosion corrosion. Cavitation damage to the protective oxide film caused the zirconium to lose its normally outstanding corrosion resistance. The root cause of the impeller failure is most likely the introduction of excessive air into the pump due to low liquid level, a bad seal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047441
EISBN: 978-1-62708-234-1
... with the classic spongy appearance of cavitation. Two changes were proposed: streamlining the part to avoid abrupt changes in fluid flow; and a change in alloy to a more corrosion-resistant material (304 or preferably 316) to increase the tenacity of protective films. Cavitation Design Supports 8620...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001604
EISBN: 978-1-62708-234-1
... flow rate may have increased the rate of general corrosion and eventually led to tube failure. Stainless steel is typically much more resistant to cavitation erosion than mild steels, providing another reason for specifying its use for the heat exchanger tubes. The heat exchanger tank and upper...
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
... Cavitation Erosion Resistance , J. Mater. Eng. Perform. , Vol 6 ( No. 5 ), 1997 , p 633 – 641 10.1007/s11665-997-0057-5 9. Hoff G. , Herbert W. , and Rieger H. , “Rain and Sand Erosion, Phenomena of Material Destruction Caused by Repeated Loads,” STP 474, Characterization...
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 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...
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
... caused by the collapse of bubbles. Neoprene or similar elastomer coatings on metals are reasonably resistant to damage from this cause. Cavitation erosion occurs in regions of a system where a combination of temperature and flow velocity causes growth and subsequent collapse of large quantities...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046422
EISBN: 978-1-62708-234-1
... supported the conclusion that the damage was due to liquid erosion, but it could not be firmly established whether it was caused by cavitation or by liquid impact. Recommendations included making a material substitution (to Mo-13Cr-4Ni stainless steel) and doing a redesign to reduce susceptibility...
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
... in a number of industries. This article describes the processes involved in erosion of ductile materials, brittle materials, and elastomers. Some examples of erosive wear failures are given on abrasive erosion, liquid impingement erosion, cavitation, and erosion-corrosion. In addition, the article provides...
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
... and ranking materials in terms of their resistance to corrosive wear. Typical testing methods used to evaluate the overall corrosive wear of materials include pin-on-disc, slurry-pot erosion, slurry-jet erosion, and cavitation-corrosion tests ( Fig. 4 ), which simulate different corrosive wear conditions...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001084
EISBN: 978-1-62708-214-3
... resistance to cavitation. The hardness was specified to range from 248 to 302 HB (equivalent to 24 to 32 HRC). The impeller was received in the as-fractured condition, along with the detached piece that contained the mating fracture surface. The latter had sustained substantial mechanical damage...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
..., microstructural evaluations, the creep cavitation damage assessment, the oxide-scale-based life prediction, and high-temperature crack growth methods. coating evaluation creep cavitation damage assessment elevated-temperature failure gas turbine blade hardness testing high-temperature crack growth...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... region of a bearing or on the surface of high-speed gear teeth. Its appearance is shown in Fig. 9 . Cavitation may be reduced by using fatigue-resistant metals, by increasing the lubricant viscosity, and by increasing the pressure in the system. Entrained air or water in oil can increase...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... the resistance of the current path in the solution and the external circuit. Thus, if dissimilar pipes are butt welded with the electrolyte flowing through them, the most severe corrosion will occur adjacent to the weld on the anodic member. Effect of Shape The geometry of the circuit elements determines...
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
... for the detection and location of active flaws Detection of incipient fatigue fracture in aircraft structures Monitoring of both fusion and resistance weldments during welding and cooling Determination of the onset of stress-corrosion cracking (SCC) and hydrogen damage in susceptible structures Use...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... and the anode surfaces affects the resistance of the current path in the solution and the external circuit. Thus, if dissimilar pipes are butt welded with the electrolyte flowing through them, the most severe corrosion will occur immediately adjacent to the weld on the anodic member. Effect of Shape...
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
... surfaces. Entrained air or water in oil can increase the likelihood of cavitation. Cavitation often occurs in the unloaded region of a bearing or on the surface of high-speed gear teeth. Its appearance is shown in Fig. 11 . Cavitation may be reduced by using fatigue-resistant metals, by increasing...