1、Designation:D812017Standard Test Method forFerrous Debris Quantification1This standard is issued under the fixed designation D8120;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indi
2、cates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method describes a means for quantitativedetermination of the concentration of ferrous debris in lubri-cants and greases.1.2 This test method provides a de
3、termination of the con-centration of ferrous debris in the lubricant or grease from anominal 0 mg/kg to 10 000 mg/kg(1%by mass)or greater.1.3 This test method is applicable to all types of lubricatingfluids(API Group I-V)and greases sampled from machineryand other mechanical equipment,including reci
4、procating en-gine oils,turbine oils,hydraulic oils,gear oils,and bearinggreases.1.4 This test method describes a means by which a sampleof lubricant or grease is placed in a magnetometer apparatus,which determines the concentration of ferrous debris andprovides these readings directly to the operato
5、r without furthercalculation.1.5 This test method is applicable to in-service lubricantsand greases at any stage of degradation.1.6 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.7 This standard does not purport to address all
6、 of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.8 This international standard was developed in accor-dance with i
7、nternationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D4057
8、 Practice for Manual Sampling of Petroleum andPetroleum ProductsD4177 Practice for Automatic Sampling of Petroleum andPetroleum ProductsD5185 Test Method for Multielement Determination ofUsed and Unused Lubricating Oils and Base Oils byInductively Coupled Plasma Atomic Emission Spectrom-etry(ICP-AES
9、)D5854 Practice for Mixing and Handling of Liquid Samplesof Petroleum and Petroleum ProductsD6595 Test Method for Determination of Wear Metals andContaminants in Used Lubricating Oils or Used HydraulicFluids by Rotating Disc ElectrodeAtomic Emission Spec-trometryD7669 Guide for Practical Lubricant C
10、ondition Data TrendAnalysisD7690 Practice for Microscopic Characterization of Par-ticles from In-Service Lubricants by Analytical Ferrogra-phyD7718 Practice for Obtaining In-Service Samples of Lubri-cating GreaseD7720 Guide for Statistically Evaluating Measurand AlarmLimits when Using Oil Analysis t
11、o Monitor Equipmentand Oil for Fitness and ContaminationD7874 Guide for Applying Failure Mode and Effect Analy-sis(FMEA)to In-Service Lubricant Testing3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 ferrous debris concentration,nthe concentration,expressed as milligrams per kil
12、ogram or percentage(percent bymass)of ferrous debris in a sample of lubricant across allparticle size ranges of the debris,from dissolved to largeferrous debris particles in the millimeter size range.Note thatsuch ferrous debris may exist in a matrix in the lubricant suchas when organically combined
13、 or as part of a steel alloy.1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.96.06 on Practices and Techniques for Prediction and Determi-nation of Microscopic Wear and Wear-related
14、 Properties.Current edition approved June 1,2017.Published July 2017.DOI:10.1520/D8120-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary
15、page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theD
16、evelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.1.2 sample,na portion of in-service oil or grease drawndirectly from the machinery without further processing.4.Summary of Test Method4.1 A sample of in-service lubricant or grease is taken fromthe machinery or equipment and transferred into a suitablemeasurement receptacle.The manufacturers recommendationsshould be followed for preferred holders o