ASME OMb-S/G Addenda-2002 核电厂运行和维护
作者:标准资料网 时间:2024-05-16 11:06:55 浏览:9909
来源:标准资料网
【英文标准名称】:Operationandmaintenanceofnuclearpowerplants
【原文标准名称】:核电厂运行和维护
【标准号】:ASMEOMb-S/GAddenda-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:导则;标准;使用条件;核安全;维修;冷却水;试验;性能试验;操作;监督系统;规范(验收);轻水反应堆;核装置;核电厂;核电站;核电站;监督(认可);核技术;振动
【英文主题词】:
【摘要】:
【中国标准分类号】:F65
【国际标准分类号】:27_120_20
【页数】:73P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforShearStrengthofAdhesivesUsingPin-and-CollarSpecimen
【原文标准名称】:用杆和杆环试样测试胶粘剂剪切强度的标准试验方法
【标准号】:ASTMD4562-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Adhesives;Shearstrength;Testspecimens;Testing
【摘要】:
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforPorosityinGoldorPalladiumCoatingsonMetalSubstratesbyGel-BulkElectrography
【原文标准名称】:凝胶体电谱法测定金属基物上金或钯涂层孔隙度的标准试验方法
【标准号】:ASTMB798-1995(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:B02.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:electrography;gel;gelelectrography;goldcoatings;goldplatings;palladiumcoatings;palladiumplatings;plating;porosity;porositytesting;Contamination--coatings;Corrosion--electrodepositedcoatings;Defects--coatings;Destructivetesting--coatin
【摘要】:Noblemetalcoatings,particularlygoldorpalladium,areoftenspecifiedforthecontactsofseparableelectricalconnectorsandotherdevices.Electrodepositsaretheformofgoldorpalladiumwhichismostusedoncontacts,althoughgoldandpalladiumarealsoemployedascladmetalandasweldmentsonthecontactsurface.Theintrinsicnobilityofgoldandtoacertainextentpalladiumenablesthemtoresisttheformationofinsulatingfilmsthatcouldinterferewithreliablecontactoperation.Inorderthatthenobilityofgoldbeassured,porosity,cracks,andotherdefectsinthecoatingthatexposebasemetalsubstratesandunderplatesmustbeminimalorabsent,exceptinthosecaseswhereitisfeasibletousethecontactsinstructuresthatshieldthesurfacefromtheenvironmentorwherecorrosioninhibitingsurfacetreatmentsforthedepositareemployed.Thelevelofporosityinthecoatingthatmaybetolerabledependsontheseverityoftheenvironmenttotheunderplateorsubstrate,designfactorsforthecontactdeviceliketheforcewithwhichitismated,circuitparameters,andthereliabilityofcontactoperationthatitisnecessarytomaintain.Also,whenpresent,thelocationofporesonthesurfaceisimportant.Iftheporesarefewinnumberorareoutsideofthezoneofcontactofthematingsurfaces,theirpresencecanoftenbetolerated.Methodsfordeterminingporesonacontactsurfacearemostsuitableiftheyenabletheirpreciselocationandnumberstobedetermined.Contactsurfacesareoftencurvedorirregularinshape,andtestingmethodsshouldbesuitableforthem.Inaddition,theseverityofporosity-determiningtestsmayvaryfromprocedurescapableofdetectingallporositytoproceduresthatdetectonlygrossdefects.Thetestmethodinthisdocumentisgenerallyregardedassevere.Therelationshipofporositylevelsrevealedbyparticularteststocontactbehaviormustbemadebytheuseroftheseteststhroughpracticalexperienceorjudgment.Thus,absenceofporosityinthecoatingmaybearequirementforsomeapplications,whileafewporesinthecontactzonemaybeacceptableforothers.Thistestmethodiscapableofdetectingporosityorotherdefectsingoldorpalladiumcoatingsthatcouldparticipateinsubstratecorrosionreactions.Inaddition,itcanbeusedoncontactshavingcomplexgeometrysuchaspin-socketcontacts(althoughdifficultymaybeexperiencedininspectingdeeprecesses).1.1Thistestmethodcoversequipmentandtechniquesfordeterminingporosityinnoblemetalcoatings,particularlyelectrodepositsandcladmetalsusedonelectricalcontacts.1.2Thetestmethodisdesignedtoshowwhethertheporositylevelislessorgreaterthansomevaluewhichbyexperienceisconsideredbytheusertobeacceptablefortheintendedapplication.1.3OtherporositytestingmethodsareoutlinedinGuideB765.Detailedcriticalreviewsofporositytestingarealsoavailable.OtherporositytestmethodsareB735,B741,B799,andB809.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSections7and8.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:6P.;A4
【正文语种】:英语
