【英文标准名称】:StandardTestMethodforSimulatedServiceCorrosionTestingofEngineCoolants
【原文标准名称】:发动机冷却剂的模拟使用腐蚀的标准试验方法
【标准号】:ASTMD2570-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D15.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:automotive;corrosion;enginecoolants;simulatedservice;Aluminumalloys--corrosionbyenginecoolants;Castiron(testing)--corrosionbyenginecoolants;Coppercorrosion(byenginecoolants);Corrosion--enginecoolants;Enginecoolantcorrosivity
【摘要】:Thistestmethod,byacloserapproachtoenginecoolingsystemconditions,providesbetterevaluationandselectivescreeningofenginecoolantsthanispossiblefromglasswaretesting(TestMethodD1384).Theimprovementisachievedbycontrolledcirculationofthecoolant,bytheuseofautomotivecoolingsystemcomponents,andbyagreaterratioofmetalsurfaceareatocoolantvolume.Althoughthistestmethodprovidesimproveddiscrimination,itcannotconclusivelypredictsatisfactorycorrosioninhibitionandservicelife.Ifgreaterassuranceofsatisfactoryperformanceisdesired,itshouldbeobtainedfromfull-scaleenginetests(TestMethodD2758)andfromfieldtestinginactualservice(PracticeD2847).SignificanceandinterpretationofthetestanditslimitationsarediscussedfurtherinAppendixX1.IfthistestmethodisusedasaqualificationtestforSpecificationD3306andSpecificationD4985,therecommendedcomponentslistedinSection5shallbeused.Ifitisnotbeingusedforsuchqualificationpurposes,thensuitablesubstitutioncomponentsmaybeused,ifagreeduponbetweenthecontractingparties.1.1Thistestmethodevaluatestheeffectofacirculatingenginecoolantonmetaltestspecimensandautomotivecoolingsystemcomponentsundercontrolled,essentiallyisothermallaboratoryconditions.1.2Thistestmethodspecifiestestmaterial,coolingsystemcomponents,typeofcoolant,andcoolantflowconditionsthatareconsideredtypicalofcurrentautomotiveuse.1.3Thevaluesstatedinfoot-pound-secondunitsaretoberegardedasthestandard.Thevaluesgiveninparentheses(SIunits)areapproximateequivalentsforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection6.
【中国标准分类号】:G04
【国际标准分类号】:71_100_45
【页数】:7P.;A4
【正文语种】:英语


MIL-C-85295A, MILITARY SPECIFICATION: COATING: POLYURETHANE, AIRCRAFT AND SUPPORT EQUIPMENT (07 JUL 1987) [S/S BY MIL-PRF-85285D]., This specification covers the requirements for polyurethane coating with a maximum volatile organic compound (VOC). The coating shall be furnished as a kit.