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ferrography

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Published: 31 December 2017
Fig. 5 Principles of analytical ferrography. (a) The magnet assembly, slide, and flow scheme. (b) Tilting the slide results in deposition of wear particles with gradual size. (c) The deposition scheme of ferrous and nonferrous particles on the ferrogram. Source: Ref 54 . Reprinted More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006383
EISBN: 978-1-62708-192-4
... and the mechanisms by which they are generated. The article concludes with a summary of the major applications of wear particle analysis. chemical composition conductivity density ferrography hardness lubricant analysis magnetic susceptibility polarity spectrometric oil analysis wear THE ACT...
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Published: 31 December 2017
based on direct-reading (DR) ferrography. (d) Rubbing and (e) spalling rates based on analytical ferrography. Source: Ref 28 . Reprinted with permission from Springer More
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Published: 31 December 2017
Fig. 6 Various types of wear particles that were isolated from a lubricant on microscope slides by means of analytical ferrography. (a) Rubbing wear particles from a diesel engine. (b) Severe sliding wear particles from a double reduction low-speed gearbox, as observed by SEM at the entry side More
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
... of approximately 6 μm in diameter. Sometimes, worn-out particles from machine components carried by lubricant can be a good source of information about the health of machineries. Using analytical ferrography, one can diagnose the type of wear that occurred in the machine components by morphology analysis...
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
..., and measuring the change in their sizes after wear. Lubricant filtration or ferrography (see the article “Lubricant Analysis” in Friction, Lubrication, and Wear Technology , Volume 18, ASM Handbook ) is also a method to measure wear, as is surface layer activation by radionulcides. Implicit in the use...