DIN 53421-1984 刚性蜂窝塑料制品的检验.抗压试验

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【英文标准名称】:StandardPracticeforDetectionofLargeInclusionsinBearingQualitySteelbytheUltrasonicMethod
【原文标准名称】:用超声波法检测优质轴承钢中大块夹杂物的标准实施规范
【标准号】:ASTME588-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:A01.28
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:bearingsteel;cleanliness;nondestructiveexamination;steel;ultrasonictesting;Ball/rollerbearings;Calibration--ultrasonicanalysisinstrumentation;Ductility--metals/alloys;Formabilitytesting;Immersion--ultrasonic;Inclusions--metals/alloys;
【摘要】:ComparisonwithOtherInclusionRatingMethods8212;Becausethetestisperformedonavolumetricratherthanasurface-examinationbasis,theultrasonicmethodisinherentlybetterabletodetectinfrequentlyoccurringlargeinclusionsorclustersofsmallinclusionsthaneddycurrent,magneticparticle,microscopical,ormacroscopicexaminationprocedures.LimitationofInclusionSizeandType8212;Alimitationofthemethodisthatitwillnotdetectallinclusions.Inclusionchemistry,size,shape,location,anddistributionmaylimittheabilityofthemethodtoprovideindicationsdistinctfromthosegeneratedbythesurroundingmetallurgicalstructure.Therecommendedpracticeisonlymeaningfullyapplicabletoexaminationofsteelwhereintheinclusionsizeandtypearewithinthedetectioncapabilitiesofthemethod.Forsteelwhereininclusionsize,dispersion,andchemistrypreventoptimuminclusiondetectionbyultrasonics,microscopicalmethodsdetailedinTestMethodsE45maybeapplied.1.1Thispracticecoversaprocedurefortheratingofrectangularsteelsectionsbyimmersionultrasonictechniques.Itspurposeistoprovideinformationonthecontentoflargeinclusionsorclustersofsmallinclusionsfordeterminingthesuitabilityofasteellotforbearingapplications.Thispracticeinnomannerdefinesorestablisheslimitsofacceptability.1.2Forthisdocument,largeinclusionsaredefinedinultrasonictermsasthosehavingareflectingareaequivalenttoorlargerthana1/64-in.diameterflat-bottomholeinasteelreferenceblockofsimilarpropertiesandthickness.Inmetallographicterms,largeinclusions,definedinthisway,areofapproximatelythesamesizeasthesmallestdetectablesizesrevealedbythemacroscopicmethodsofTestMethodsE45.Insomecases,inclusionssmallerthanthosedescribedpreviouslycanbedetectedeitherindividuallyorinclusters,dependingontheirtype,chemicalcomposition,orientationtotheultrasonicbeamanddistancefromthesoundentrysurfaceofthespecimen.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:Secondarycellsandbatteriescontainingalkalineorothernon-acidelectrolytes-Ventednickel-cadmiumprismaticrechargeablesinglecells
【原文标准名称】:装碱性或其他非酸性电解质的蓄电池和蓄电池组开口镉镍方形可充电单体电池
【标准号】:IEC60623-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC21A
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);试验;蓄电池组;有通气孔的;尺寸;检验;定义;名称与符号;电气试验;作标记;镍镉蓄电池;设计认证;可再充电的;镍镉电池;棱柱形;碱性电池;定型鉴定;二次电池;电气工程;机械试验;蓄电池;闭路的;电池;电池
【英文主题词】:Alkalinebatteries;Batteries;Cells;Closed;Definitions;Designcertifications;Designations;Dimensions;Dischargecharacteristics;Electriccells;Electricalengineering;Electricaltesting;Electrolytes;Inspection;Marking;Measurement;Mechanicaltesting;Nickel-cadmiumbatteries;Nickel-cadmiumcells;Prismaticshape;Rechargeable;Sealedcells;Secondarybatteries;Specification(approval);Storagebatteries;Testing;Typeapproval;Vented
【摘要】:ThisInternationalStandardspecifiesmarking,designation,dimensions,testsandrequirementsforventednickel-cadmiumprismaticsecondarysinglecells.NOTEInthiscontext,"prismatic"referstocellshavingrectangularsidesandbase.WhenthereexistsanIECstandardspecifyingtestconditionsandrequirementsforcellsusedinspecialapplicationsandwhichisinconflictwiththisstandard,theformershalltakeprecedence.
【中国标准分类号】:K84
【国际标准分类号】:29_220_30
【页数】:33P;A4
【正文语种】:英语