ASTM_D_2510_-_94_2017.pdf

Designation:D251094(Reapproved 2017)Standard Test Method forAdhesion of Solid Film Lubricants1This standard is issued under the fixed designation D2510;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 indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This test method2covers the measurement of the adhe-sion characteristics of dry solid film lubricants.1.2 The values stated in SI units are to be regarded asstandard.1.2.1 ExceptionThe values given in parentheses are pro-vided for information only.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally 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:3B209M Specification for Aluminum and Aluminum-AlloySheet and Plate(Metric)D1000 Test Methods for Pressure-Sensitive Adhesive-Coated Tapes Used for Electrical and Electronic Applica-tionsD1193 Specification for Reagent WaterD1730 PracticesforPreparationof AluminumandAluminum-Alloy Surfaces for PaintingD3330/D3330M Test Method for PeelAdhesion of Pressure-Sensitive TapeF22 Test Method for Hydrophobic Surface Films by theWater-Break Test2.2 U.S.Military Specification:4MIL-L-460103.Terminology3.1 Definitions:3.1.1 dry solid film lubricants,ndry coatings consisting oflubricating powders in a solid matrix bonded to one or bothsurfaces to be lubricated.4.Summary of Test Method4.1 The dry solid film lubricant is applied to anodizedaluminum panels,immersed in water or other fluids for 24 h,and then wiped dry.A strip of masking tape is pressed onto thepanel and removed abruptly.Film removal exposing thesurface of the metal panel is the criterion for failure.5.Significance and Use5.1 Effective solid film lubricant coatings must adhere tosurfaces to provide adequate lubrication in applications withrestricted access where fluid lubricants cannot easily be replen-ished.Loss of coating adhesion results in metal to metalcontact causing significant wear of contacting surfaces.Adhe-sion is critical to the performance of the solid film lubricant.Examples of solid film lubricant applications include fasteners,bearings and sliding members in automotive,aircraft,andaerospace hardware.5.2 This test method is intended to determine the adhesionof solid film lubricant coatings when submitted to contact withwater and other fluids.Results of this test provide an indicationof the suitability of the lubricant coating in applications wherecontact with water or other fluids is likely.6.Apparatus6.1 Rubber Covered Steel RollerAsteel roller,82.6 mm 62.5 mm(3.25 in.6 0.1 in.)in diameter and 44.5 mm 61.3 mm(1.75 in.6 0.05 in.)in width,covered with rubberapproximately 6.4 mm(14in.)in thickness having a durometer1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.L0.05 on Solid Lubricants.Current edition approved Oct.1,2017.Published November 2017.Originallyapproved in 1966.Last previous edition approved in 2012 as D2510 94(2012).DOI:10.1520/D2510-94R17.2Refer to U.S.Military Specification MIL-L-46010March 4,1988.3For 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 page onthe ASTM website.4Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.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 theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 hardness of 80 6 5.The mass of the roller proper which appliespressure to the specimen shall be 2.04 kg 6 0.05 kg(4.5 lb 60.1 lb).It shall be so constructed that the mass of the handle isnot added to the mass of the roller during use.6.2 Stylus,or equivalent.56.3 Oven,forced-circulation,capable of maintaining 149 C6 5.5 C(300 F 6 10 F).6