ASTM G137-1997(2003) 用环形结构块料给塑料材料的抗滑动磨损特性分等的标准试验方法

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【英文标准名称】:StandardTestMethodforRankingResistanceofPlasticMaterialstoSlidingWearUsingaBlock-On-RingConfiguration
【原文标准名称】:用环形结构块料给塑料材料的抗滑动磨损特性分等的标准试验方法
【标准号】:ASTMG137-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G02.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:干燥滑动条件;几何分布;塑料材料的滑动磨损;耐力;环磨损试验;试验;封锁;滑动磨损试验数据;摩擦;磨损试验;环;金属材料
【英文主题词】:block-on-ring;friction;plastics;wear
【摘要】:Thespecificwearratesdeterminedbythistestmethodcanbeusedasaguideinrankingthewearresistanceofplasticmaterials.Thespecificwearrateisnotamaterialpropertyandwillthereforedifferwithtestconditionsandtestgeometries.Thesignificanceofthistestwilldependontherelativesimilaritytotheactualserviceconditions.Thistestmethodseeksonlytodescribethegeneraltestprocedureandtheprocedureforcalculatingandreportingdata.Note28212;Thistestconfigurationallowssteadystatespecificwearratestobeachievedveryquicklythroughtheuseofhighloadsandspeeds.ThethrustwasherconfigurationdescribedinTestMethodD3702doesnotallowfortheuseofsuchhighspeedsandloadsbecauseofpossibleoverheating(whichmaycausedegradationormelting,orboth)ofthespecimen.Despitethedifferencesintestingconfigurations,agoodcorrelationintherankingofwearresistanceisachievedbetweenthetwotests(TableX2.1).1.1Thistestmethodcoversalaboratoryproceduretomeasuretheresistanceofplasticmaterialsunderdryslidingconditions.Thetestutilizesablock-on-ringgeometrytorankmaterialsaccordingtotheirslidingwearcharacteristicsundervariousconditions.1.2Thetestspecimensaresmallsothattheycanbemoldedorcutfromfabricatedplasticparts.Thetestmayberunattheload,velocity,andtemperaturewhichsimulatetheservicecondition.1.3Weartestresultsarereportedasspecificwearratescalculatedfromvolumeloss,slidingdistance,andload.Materialswithsuperiorwearresistancehavelowerspecificwearrates.1.4Thistestmethodallowstheuseofbothsingle-andmulti-stationapparatustodeterminethespecificwearrates.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:


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【英文标准名称】:Luminaires-Part2-20:Particularrequirements-Lightingchains(IEC60598-2-20:1996,modified+A1:1998,modified+A2:2002,modified);GermanversionEN60598-2-20:1997+A1:1998+CorrigendumDecember1998+A2:2004
【原文标准名称】:灯具.第2-20部分:特殊要求.灯串
【标准号】:DINEN60598-2-20-2004
【标准状态】:作废
【国别】:德国
【发布日期】:2004-08
【实施或试行日期】:2004-08-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:耐电强度;试验电压;机械性能;灯具;试验要求;选择;试验灯;绝缘电阻;间隙;检查;电灯;电缆;白炽灯;分类;多语种的;电气工程;定义;设计;规范(验收);图形符号;照明设备;耐久性;作标记;接触安全装置;照明工程;检验;照明电路;电气安全;测量;试验;照明系统;持久性;电性质和电现象
【英文主题词】:Classification;Clearances;Contactsafetydevices;Definition;Definitions;Design;Durability;Electriccables;Electriclamps;Electricstrength;Electricalengineering;Electricalpropertiesandphenomena;Electricalsafety;Examinations;Graphicsymbols;Illuminationengineering;Incandescentlamps;Incription;Inspection;Insulatingresistance;Lightcircuits;Lightingequipment;Lightingplants;Lightingsystems;Luminaires;Marking;Measurement;Mechanicalproperties;Multilingual;Permanency;Selection;Specification(approval);Testlamps;Testing;Testingrequirements;Testingvoltages
【摘要】:
【中国标准分类号】:K72
【国际标准分类号】:29_140_40
【页数】:27P.;A4
【正文语种】:德语


MIL-STD-1946A (NOTICE 2), MILITARY STANDARD: WELDING OF ALUMINUM ALLOY ARMOR (02 SEP 1994) [S/S BY TACOM DRAWING 12472301].