ASTM D2809-2004e2 带有发动机冷却剂的铝泵的气蚀和侵蚀特性的标准试验方法

作者:标准资料网 时间:2024-05-15 23:24:44  浏览:8417   来源:标准资料网

【英文标准名称】:StandardTestMethodforCavitationCorrosionandErosion-CorrosionCharacteristicsofAluminumPumpsWithEngineCoolants
【原文标准名称】:带有发动机冷却剂的铝泵的气蚀和侵蚀特性的标准试验方法
【标准号】:ASTMD2809-2004e2
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:特性;气蚀;冷却剂;侵蚀;铝;泵;试验;药液
【英文主题词】:aluminum;automotive;cavitationcorrosion;enginecoolant;erosion-corrosion;pumps;test
【摘要】:Thistestmethodcanbeusedtodistinguishbetweencoolantsthatcontributetocavitationcorrosionanderosion-corrosionofaluminumautomotivewaterpumpsandthosethatdonot.Itisnotintendedthataparticularratingnumber,asdeterminedfromthistest,willbeequivalenttoacertainnumberofmilesinavehicletest;however,limitedcorrelationbetweenbenchandfieldservicetestshasbeenobservedwithsingle-phasecoolants.Fieldtestsundersevereoperatingconditionsshouldbeconductedasthefinaltestiftheactualeffectofthecoolantoncavitationcorrosionanderosion-corrosionistobeappraised.Itisalsopossible,withpropercontrolofthetestvariables,todeterminetheeffectofpumpdesign,materialsofconstruction,andpumpoperatingconditionsoncavitationcorrosionanderosion-corrosiondamage.1.1Thistestmethodcoverstheevaluationofthecavitationcorrosionanderosion-corrosioncharacteristicsofaluminumautomotivewaterpumpswithcoolants.Note1Duringthedevelopmentofthistestmethod,itwasfoundthatresultsobtainedwhentestingtwo-phasecoolantsdidnotcorrelatewithresultsfromfieldtests.Therefore,thetestmethodcannotberecommendedasbeingasignificanttestfordeterminingcavitationeffectsoftwo-phasecoolants.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificwarningstatementsaregivenin.
【中国标准分类号】:J71
【国际标准分类号】:23_080
【页数】:7P.;A4
【正文语种】: