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ASTM A370-2009ae1 钢制品机械试验的标准试验方法和定义

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【英文标准名称】:StandardTestMethodsandDefinitionsforMechanicalTestingofSteelProducts
【原文标准名称】:钢制品机械试验的标准试验方法和定义
【标准号】:ASTMA370-2009ae1
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:A01.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:弯曲试验;延伸率;脆性转变温度;硬度试验;便携式硬度计;断面收缩率;拉伸强度;拉伸试验;屈服强度;钢阀门;钢丝;温度试验.金属/合金;拉伸属性/试验.钢;薄片钢;屈服强度和屈服点;钢管;弯曲试验.金属材料;布氏硬度;沙尔皮冲击试验;延伸率.机械材料;铸件;发电机材料;硬度(压痕).金属材料;抗冲击力;冲击试验.强度;机械分析/试验;钢制压力容器;铁路钢材料;洛氏硬度;七线钢丝索(键);造船钢材料.规范;钢;钢棒;钢制螺栓材料;钢链;钢片;钢片/带;钢片/带/板
【英文主题词】:bendtest;Brinellhardness;Charpyimpacttest;elongation;FATT(FractureAppearanceTransitionTemperature);hardnesstest;portablehardness;reductionofarea;Rockwellhardness;tensilestrength;tensiontest;yieldstrength;Steelvalves;Steelwire;Temperaturetests--metals/alloys;Tensileproperties/testing--steel;Tinmillproducts;Yieldstrengthandyieldpoint;Steeltube;Bendtesting--metallicmaterials;Brinellhardness;Charpyimpacttest;Elongation--metallicmaterials;Forgings;Fractureappearancetransitiontemperature(FATT);Generatormaterials;Hardness(indentation)--metallicmaterials;Impactresistance;Impacttesting--Charpy;Mechanicalanalysis/testing;Pressurevesselsteel;Railroadsteelmaterials;Rockwellhardness;Seven-wirestrand(tendon);Shipbuildingsteelmaterials--specifications;Steel;Steelbars;Steelboltingmaterials;Steelchain;Steelpipe;Steelsheet;Steelsheet/strip;Steelsheet/strip/plate
【摘要】:Ductilevs.BrittleBehavior8212;Body-centered-cubicorferriticalloysexhibitasignificanttransitioninbehaviorwhenimpacttestedoverarangeoftemperatures.Attemperaturesabovetransition,impactspecimensfracturebyaductile(usuallymicrovoidcoalescence)mechanism,absorbingrelativelylargeamountsofenergy.Atlowertemperatures,theyfractureinabrittle(usuallycleavage)mannerabsorbingappreciablylessenergy.Withinthetransitionrange,thefracturewillgenerallybeamixtureofareasofductilefractureandbrittlefracture.Thetemperaturerangeofthetransitionfromonetypeofbehaviortotheothervariesaccordingtothematerialbeingtested.Thistransitionbehaviormaybedefinedinvariouswaysforspecificationpurposes.Thespecificationmayrequireaminimumtestresultforabsorbedenergy,fractureappearance,lateralexpansion,oracombinationthereof,ataspecifiedtesttemperature.Thespecificationmayrequirethedeterminationofthetransitiontemperatureatwhicheithertheabsorbedenergyorfractureappearanceattainsaspecifiedlevelwhentestingisperformedoverarangeoftemperatures.Alternativelythespecificationmayrequirethedeterminationofthefracture1.1Thesetestmethodscoverproceduresanddefinitionsforthemechanicaltestingofsteels,stainlesssteels,andrelatedalloys.Thevariousmechanicaltestshereindescribedareusedtodeterminepropertiesrequiredintheproductspecifications.Variationsintestingmethodsaretobeavoided,andstandardmethodsoftestingaretobefollowedtoobtainreproducibleandcomparableresults.Inthosecasesinwhichthetestingrequirementsforcertainproductsareuniqueoratvariancewiththesegeneralprocedures,theproductspecificationtestingrequirementsshallcontrol.1.2Thefollowingmechanicaltestsaredescribed:
Sections
Tension
5to13
Bend
14
Hardness
15
Brinell
16
Rockwell
17
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基本信息
标准名称:橡皮绝缘编织软电线
英文名称:Rubber insulated and braided cords
中标分类: 电工 >> 电工材料和通用零件 >> 带绝缘层电线
替代情况:被GB/T 5013.4-1997代替
发布日期:
实施日期:1984-10-01
首发日期:
作废日期:1998-10-01
出版日期:
页数:6页
适用范围

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所属分类: 电工 电工材料和通用零件 带绝缘层电线
【英文标准名称】:StandardTestMethodforEvaluationofScratchResistanceofPolymericCoatingsandPlasticsUsinganInstrumentedScratchMachine
【原文标准名称】:用测量划痕机评价高聚物覆层和塑料耐擦伤性的标准试验方法
【标准号】:ASTMD7027-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:评定;耐擦伤性;高聚物;塑料;划痕;试验;覆层;机器;有机覆层
【英文主题词】:criticalload;polymer;ranking;scratch;scratchhardness;scratchresistance;visibility;whitening
【摘要】:Scratchtestsareperformedonspecimens:(1)toevaluatethescratchormarresistanceofaparticularmaterial,(2)toranktherelativescratchresistanceofdifferentmaterials,or(3)todeterminethescratchingcoefficientoffrictionofmaterials.Sincepolymersexhibitmechanicalpropertiesthatarestronglydependentontemperature,thetestmethodprescribedhereinisdesignedtoyieldreproducibleresultswhenusersperformtestsunderthesimilartestingenvironmentandonspecimensofthesamematerialandsurfacetexturethataresubjectedtothesameconditioningprocedures.Certainpolymersareself-healing(recoverable)whensubjectedtoscratchesandotherphysicaldeformationsbecauseoftheirviscoelasticandrelaxationproperties.Itisimportanttonotethedifferencebetweentheinstantaneous(ifreadilymeasurable)andthepost-scratchdamagesandappropriatelycompareresultstoensurereproducibility.x201C;Whiteningx201D;ofthescratchedsurfaceisakeydamagemechanismthathaspromptedmuchconcerninautomotiveandotherapplicationswheresurfaceaestheticismisimportant.Thistypeofdamageisundesirablebecauseitisevidenttohumaneyes.Thecriticalnormalloadatwhichthisphenomenonappearsservesasabenchmarkinrankingmaterialperformance.Forpolymersthatdonotexhibitwhitening,ascratchgroovefromsevereploughingisstillhighlynoticeable.Insuchcases,thenormalloadrequiredtoachieveacertainscratchwidthshallbereportedtocharacterizescratchvisibilityandscratchresistance.Thecriticalscratchwidthshallbedecidedbyusersinaccordancewiththespecificmaterialandremainsthesamethroughoutasetoftestsforaconsistentcomparison.Thevariationofthescratchwidthasafunctionoftheappliedloadshallalsobeplottedforcomparisonpurposes.1.1Thistestmethoddescribesalaboratoryprocedureusinganinstrumentedscratchmachinetoproduceandquantifysurfacedamageundercontrolledconditions.Thistestmethodisabletocharacterizethemarandscratchresistanceofpolymersbymeasuringmanysignificantmaterialparameters.Thescratch-inducinganddataacquisitionprocessisautomatedtoavoiduser-influencedeffectsthatmayaffecttheresults.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;FLTMBN108-13,ISO1518andISO12137-2arerelatedtothistestmethod;thecontentsaresignificantlydifferentfromthismethod.
【中国标准分类号】:A29
【国际标准分类号】:25_220_60
【页数】:8P.;A4
【正文语种】: