ASTM D7690 - 11(2017) - Standard Practice for Microscopic Characterization of Particles from In-Service Lubricants by Analytical Ferrography

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ASTM D7690 - 11(2017)

Standard Practice for Microscopic Characterization of Particles from In-Service Lubricants by Analytical Ferrography

Status : Current   Published : May 2017

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1.1 This practice covers the identification by optical microscopy of wear and contaminant particles commonly found in used lubricant and hydraulic oil samples that have been deposited on ferrograms. This practice relates to the identification of particles, but not to methods of determining particle concentration.

1.2 This practice interfaces with but generally excludes particles generated in the absence of lubrication, such as may be generated by erosion, impaction, gouging, or polishing.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.5  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.




Standard NumberASTM D7690 - 11(2017)
TitleStandard Practice for Microscopic Characterization of Particles from In-Service Lubricants by Analytical Ferrography
StatusCurrent
Publication Date01 May 2017
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Contaminant particles Condition monitoring Ferrography Filter patch In-service lubricants Membrane filtration Optical microscopy Wear Wear particles
ICS75.100
PublisherASTM
FormatA4
DeliveryYes
Pages11
File Size194 KB
Price£45.00


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