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ASTM G131-1996(2002) 用超声技术清洗材料和元部件的标准实施规程

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【英文标准名称】:StandardPracticeforCleaningofMaterialsandComponentsbyUltrasonicTechniques
【原文标准名称】:用超声技术清洗材料和元部件的标准实施规程
【标准号】:ASTMG131-1996(2002)
【标准状态】:现行
【国别】:
【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】:清洁处理;超声波清洗;元部件;材料
【英文主题词】:cleaning;components;materials
【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】:


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【英文标准名称】:Plastics.Determinationofash.Part1:generalmethods.
【原文标准名称】:塑料制品.灰份的测定.第1部分:一般方法
【标准号】:NFT51-040-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-10-01
【实施或试行日期】:1997-10-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Analysis;Ashcontents;Ashdetermination;Ashes;Ashing;Ashingmethod;Chemicalanalysisandtesting;Combustion;Combustionmethods;Determinationofcontent;Elastomers;Mouldings(shapedsection);Plastics;Polymers;Residuesonignition;Rubber;Samples;Samplingmethods;Testequipment;Testing;Testingconditions;Testingdevices
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:10P;A4
【正文语种】:其他


Product Code:SAE AIR3260
Title:Identification of Standard Utility Parts - Bolts and Nuts
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope: This information report presents recommendations on part number marking which provides for the maximum identification on bolts and nuts while ensuring adequate readability.