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【英文标准名称】:StandardPracticeforCleaningofMaterialsandComponentsbyUltrasonicTechniques
【原文标准名称】:超声法清洗材料和元部件的标准实施规程
【标准号】:ASTMG131-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:G04.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:cleaning;contamination;contaminant;nonvolatileresidue;NVR;oxygensystems;TC;totalcarbon;ultrasoniccleaning;Cleaningagents/processes;Contamination--systems(materials/applications);Nonvolatileresidue(NVR);Oxygen-enrichedsystems/en
【摘要】:Thispracticeissuitablefortheremovalofcontaminantsfoundonmaterials,parts,andcomponentsusedinsystemsrequiringahighlevelofcleanliness,suchasoxygen.Partsshallhavebeenprecleanedtoremovevisiblecontaminantspriortousingthisprocedure.Softgoodssuchassealsandvalveseatsmaybecleanedwithoutprecleaning.ThisproceduremayalsobeusedasthecleanlinessverificationtechniqueforcouponsusedduringcleaningeffectivenesstestsasinTestMethodG122.Thecleaningefficiencyhasbeenshowntovarywiththefrequencyandpowerdensityoftheultrasonicunit.Lowfrequenciesinthe20to25kilohertzrangehavebeenfoundtodamagesoftmetalssuchasaluminumandsilver.Therefore,thespecificationsoftheunitandthefrequenciesavailablemustbeconsideredinordertooptimizethecleaningconditionswithoutdamagingtheparts.1.1Thispracticecoversaprocedureforthecleaningofmaterialsandcomponentsusedinsystemsrequiringahighlevelofcleanliness,suchasoxygen,byultrasonictechniques.1.2Thispracticemaybeusedforcleaningsmallparts,components,softgoods,etc.1.3ThevaluesstatedinSIunitsarestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninNote1.
【中国标准分类号】:J04
【国际标准分类号】:03_080_10
【页数】:5P.;A4
【正文语种】:英语