1、Designation:D311595(Reapproved 2014)Standard Test Method forExplosive Reactivity of Lubricants with Aerospace AlloysUnder High Shear1This standard is issued under the fixed designation D3115;the number immediately following the designation indicates the year oforiginal adoption or,in the case of rev
2、ision,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.1.Scope1.1 This test method is used to evaluate for explosivereactivity of various lubricants in the presence of aer
3、ospacealloys under high shear conditions.1.2 The values stated in SI units are to be regarded as thestandard.In cases where materials,products,or equipment areavailable in inch-pound units only,SI units are omitted.1.3 This standard is used to measure and describe theresponse of materials,products,o
4、r assemblies to heat andflame under controlled conditions,but does not by itselfincorporate all factors required for fire hazard or fire riskassessment of the materials,products,or assemblies underactual fire conditions.1.4 This standard does not purport to address all of thesafety concerns,if any,a
5、ssociated 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.2.Referenced Documents2.1 ASTM Standards:2B209 Specification for Aluminum and Aluminum-AlloySheet
6、and PlateB221 Specification for Aluminum and Aluminum-Alloy Ex-truded Bars,Rods,Wire,Profiles,and Tubes2.2 ANSI Standard:B46.1 Surface Texture33.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 explosive reactivity,noccurrence of sparks,smoke,or explosive(audible)sounds during thi
7、s test.3.1.2 lubricants,nliquid materials used as lubricants orcutting fluids in the presence of aerospace alloys.4.Summary of Test Method4.1 A shaped dowel pin made of the test material is rotatedat 1760 rpm under a pressure of 689 MPa(1000 psi)for 1 minin a shaped hole(drilled into a block of the
8、test material)containing the test lubricant.Observation for indications ofreaction is made.5.Significance and Use5.1 Explosive reactivity has resulted when parts made fromsome light alloys,typically high in aluminum and magnesium,are loaded under shear conditions while in contact with certainlubrica
9、nts.Atypical example is a threaded part,lubricated witha chlorofluorocarbon grease,pulled up normally tight.6.Apparatus6.1 Fluted Ball-End End Mills,4two,12.7 6 0.025 mm(0.500 6 0.001 in.)in diameter with a 6.35 6 0.025-mm(0.2506 0.001-in.)radius tip,finished to 0.203 to 0.406 m(8to 16 in.)rms.6.2 D
10、rill Press,capable of rotating at 1760 rpm under a6.89-MPa(1000-psi)load.6.3 Drill Chuck,capacity 12.7-mm(12-in.)end mill.6.4 Loading Device,capable of putting a pressure of 6.89MPa(1000 psi)on the dowel test pin.6.5 Force Gauge,1112 N(250-lbf)force.51This test method is under the jurisdiction of AS
11、TM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.L0.07 on Engineering Sciences of High Performance Fluids andSolids(Formally D02.1100).ASTM Committee F07 on Aerospace and Aircraftmaintains a continued interest in this test method a
12、nd will make use of it in thefuture.Current edition approved Dec.1,2014.Published February 2015.Originallyapproved in 1972.Last previous edition approved in 2009 as D3115 95(2009).DOI:10.1520/D3115-95R14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Servi
13、ce at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.4Carbide tipped ball-end end mills are av
14、ailable and may be used when workingwith metals harder than aluminum.5The sole source of supply of the gauge known to the committee at this time isAMETEK,Inc.,Testing Equipment Div.,Box 288,Lansdale,PA 19446.If you areaware of alternative suppliers,please provide this information to ASTM Interna-tio
15、nal Headquarters.Your comments will receive careful consideration at a meetingof the responsible technical committee,1which you may attend.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.6 Drill Press Vise,capable of holding the test bl
16、ock inposition.6.7 Surface Texture Standards,conforming to AmericanNational Standard for Surface Texture(ANSI B46.1).6.8 Transparent Safety Shield.6.9 Thermocouple and Potentiometer,optional,for measur-ing hole-bottom temperature.6.10 Desiccator,maintained at 50 6 5%relative humidity.Water saturated with Ca(NO3)24H2O at 294 K(70F)issatisfactory.7.Materials7.1 Blocks,of the appropriate alloy,25.4 mm(1 in.)thick by38 mm(1.5 in.)wide by 165 mm(6.5 in.)long.Unlessotherwise specified,use metal confor
