BS DD CEN/TS 15053-2005 无损检验.检查用间断式试样的建议
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【英文标准名称】:Non-destructivetesting-Recommendationsfordiscontinuities-typesintestspecimensforexamination
【原文标准名称】:无损检验.检查用间断式试样的建议
【标准号】:BSDDCEN/TS15053-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-12-13
【实施或试行日期】:2005-12-13
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:铸件;缺陷;定义;不连续的;涡流检验;锻件;不均匀性;解释;磁粉探伤;材料试验;无损检验;渗透探伤;人员;合格;放射性试验;辐射摄影术;试验报告;试样;试验;导冶;超声检验;外观检查(试验);焊缝
【英文主题词】:Castings;Defects;Definition;Definitions;Discontinuous;Eddy-currenttests;Forgings;Inhomogen;Interpretations;Magnetic-particleflawdetection;Materialstesting;Non-destructivetesting;Penetrantflawdetection;Personnel;Qualifications;Radiographictesting;Radiography;Testreports;Testspecimens;Testing;Trainings;Ultrasonictesting;Visualinspection(testing);Welds
【摘要】:ThisTechnicalSpecificationisestablishedtoconsideranddefinediscontinuities-typestobeexhibitedintestspecimensforuseinpracticalNonDestructiveTestingexaminations.AccordingtoEN473:2000,Clause7.1.3.3,thediscontinuitiescontainsinthetestspecimensmaybenatural,artificialorimplanted.AcousticEmissionTesting,InfraredThermographyTestingandLeakTestingneednotdefinediscontinuitytype,duetotheirspecificapproach(e.g.replacedinATbyartificialsources).
【中国标准分类号】:H26
【国际标准分类号】:19_100
【页数】:18P.;A4
【正文语种】:英语
基本信息
标准名称: | 煤层气开采防尘防毒技术规范 |
发布部门: | 国家安全生产监督管理总局 |
发布日期: | 2011-07-12 |
实施日期: | 2011-12-01 |
首发日期: | |
作废日期: | |
出版社: | 煤炭工业出版社 |
出版日期: | 2011-12-01 |
适用范围
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所属分类: 食品 食品加工机械 制烟机械 农业 烟草 烟草制品和烟草工业设备
【英文标准名称】:StandardPracticesforPreparingRockCoreasCylindricalTestSpecimensandVerifyingConformancetoDimensionalandShapeTolerances
【原文标准名称】:制备圆柱形岩心样品以及检验是否符合尺寸规格与形状公差的规程
【标准号】:ASTMD4543-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.12
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:conformance;core;diameter;dimensionaltolerances;dimensions;length;rock;specimenpreparation(fortesting);specimenshape;specimensize;Conformance/conformityassessment;Diameter;Dimensions;Length;Rockmaterials/properties/analysis;
【摘要】:p>Thedimensional,shape,andsurfacetolerancesofrockcorespecimensareimportantfordeterminingrockpropertiesofintactspecimens.Thisisespeciallytrueforstrongrocks,greaterthan7250psi(50MPa).DimensionalandsurfacetolerancechecksarerequiredinthetestmethodslistedinSection2.1.Tosimplifytestproceduresinlaboratories,thepartsofthoseproceduresthatarecommontothetestmethodsinSection2.1aregiveninthisstandard.ThisprocedureisapplicabletoallthestandardslistedinSection2.1.However,specimensforTestMethodD2936donotneedtobemachinedortomeetthespecifiedtolerancesforflatnessandparallelism.Themoistureconditionofthespecimenatthetimeofthesamplepreparationcanhaveasignificanteffectuponthestrengthanddeformationcharacteristicsoftherock.Goodpracticegenerallydictatesthatlaboratorytestsbemadeuponspecimensrepresentativeoffieldconditions.Thus,itfollowsthatthefieldmoistureconditionofthespecimenshouldbepreserveduntilthetimeofthetest.Insomeinstances,however,theremaybereasonsfortestingspecimensatothermoisturecontents,fromsaturationtodry.Inanycase,themoisturecontentofthetestspecimenshouldbetailoredtotheproblemathand.Excessmoisturewillaffecttheadhesionofresistancestraingages,ifused,andtheaccuracyoftheirperformance.Adhesivesusedtobondtherocktosteelendpiecesinthedirecttensiontestwillalsobeaffectedadverselybyexcessmoisture.Note28212;Thequalityoftheresultproducedbythesepracticesisdependentuponthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetestingandsampling.UsersofthesepracticesarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thesepracticesspecifyproceduresforlaboratoryrockcoretestspecimenpreparationofrockcorefromdrillcoreandblocksamplesforstrengthanddeformationtestingandfordeterminingtheconformanceofthetestspecimendimensionswithtolerancesestablishedbythispractice.Cubical,rectangular,orothershapesarenotcoveredbythispractice.However,someoftheinformationcontainedwithinthispracticeandinstandardTestMethodC170maystillbeofusetopreparingothertestspecimenshapes.1.2Rockisacomplexengineeringmaterialthatcanvarygreatlyasafunctionoflithology,stresshistory,weathering,moisturecontentandchemistry,andothernaturalgeologicprocesses.Assuch,itisnotalwayspossibletoobtainorpreparerockcorespecimensthatsatisfythedesirabletolerancesgiveninthispractice.Mostcommonly,thissituationpresentsitselfwithweaker,moreporous,andpoorlycementedrocktypesandrocktypescontainingsignificantorweak(orboth)structuralfeatures.Fortheseandotherrocktypeswhicharedifficulttoprepare,allreasonableeffortsshallbemadetoprepareaspecimeninaccordancewiththispracticeandfortheintendedtestprocedure.However,whenithasbeendeterminedbytrialthatthisisnotpossible,preparetherockspecimentotheclosesttolerancespracticableandconsiderthistobethebesteffort(Note1)andreportitassuchandifallowableornecessaryfortheintendedtest,cappingtheendsofthespecimenasdiscussedinthispracticeispermitted.Note18212;Besteffortinsurfacepreparationreferstotheuseofawel......
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:9P.;A4
【正文语种】:英语