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ASTM E23-2007ae1 金属材料的切口棒材冲击测试用标准试验方法

作者:标准资料网 时间:2024-05-12 00:43:08  浏览:9119   来源:标准资料网
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【英文标准名称】:StandardTestMethodsforNotchedBarImpactTestingofMetallicMaterials
【原文标准名称】:金属材料的切口棒材冲击测试用标准试验方法
【标准号】:ASTME23-2007ae1
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E28.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:冲击测试;材料;机械测试;金属的;金属;测试
【英文主题词】:Charpytest;fractureappearance;Izodtest;impacttest;notchedspecimens;pendulummachine
【摘要】:Thesetestmethodsofimpacttestingrelatespecificallytothebehaviorofmetalwhensubjectedtoasingleapplicationofaforceresultinginmulti-axialstressesassociatedwithanotch,coupledwithhighratesofloadingandinsomecaseswithhighorlowtemperatures.Forsomematerialsandtemperaturestheresultsofimpacttestsonnotchedspecimens,whencorrelatedwithserviceexperience,havebeenfoundtopredictthelikelihoodofbrittlefractureaccurately.FurtherinformationonsignificanceappearsinAppendixX1.1.1Thesetestmethodsdescribenotched-barimpacttestingofmetallicmaterialsbytheCharpy(simple-beam)testandtheIzod(cantilever-beam)test.Theygivetherequirementsfor:testspecimens,testprocedures,testreports,testmachines(seeAnnexA1)verifyingCharpyimpactmachines(seeAnnexA2),optionaltestspecimenconfigurations(seeAnnexA3),precrackingCharpyV-notchspecimens(seeAnnexA4),designationoftestspecimenorientation(seeAnnexA5),anddeterminingthepercentofshearfractureonthesurfaceofbrokenimpactspecimens(seeAnnexA6).Inaddition,informationisprovidedonthesignificanceofnotched-barimpacttesting(seeAppendixX2),methodsofmeasuringthecenterofstrike(seeAppendixX2).1.2Thesetestmethodsdonotaddresstheproblemsassociatedwithimpacttestingattemperaturesbelow-196C(-320F,77K).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Inch-poundunitsareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection5.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:28P.;A4
【正文语种】:


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【英文标准名称】:Printedboards;specificationforsingleanddoublesidedflexibleprintedboardswiththroughconnections;identicalwithIEC60326-8,edition1981
【原文标准名称】:印制电路板.第8部分:有贯穿连接的单面或双面挠性印制板要求
【标准号】:DINIEC60326-8-1985
【标准状态】:作废
【国别】:德国
【发布日期】:1985-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:印制电路;特性;电子工程;印制电路板;柔性印制电路板;基底材料;检查表;分单双面(向)的;测试图;贯通连接;双面的;控制图;规范(验收);电气工程;柔性材料;电子设备及元件;检验
【英文主题词】:Basematerials;Checklists;Controlcharts;Double-sided;Duesided;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Flexiblematerials;Inspection;Printedcircuits;Printed-circuitboards;Properties;Specification(approval);Testpattern;Throughconnections
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:16P;A4
【正文语种】:德语


【英文标准名称】:Coatingsonmetalfasteners–Part3:Specificationsforelectroplatedzinccoatings
【原文标准名称】:金属紧固件镀层.第3部分:镀锌涂层规范
【标准号】:BS7371-3-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-08-31
【实施或试行日期】:2009-08-31
【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】:铬酸盐;涂层;转化膜;耐腐蚀性;耐腐蚀材料;名称与符号;电镀;紧固件;金属涂层;金属;防护覆层;厚度;厚度测量;螺距;螺纹紧固件;螺纹;锌
【英文主题词】:Chromates;Coatings;Conversioncoating;Corrosionresistance;Corrosion-resistantmaterials;Designations;Electroplating;Fasteners;Metalcoatings;Metals;Protectivecoatings;Thickness;Thicknessmeasurement;Threadpitch;Threadedfasteners;Threads;Zinc
【摘要】:ThisPartofBS7371specifiesrequirementsforcoatingsappliedbytheelectrolysisofsolutionsofzinc.NOTEThecoatingsconsistprincipallyofzincandcanbelubricatedtogivecontrolledtorque/clampingforcepropertieswhenrequired(see,forexample,BS7371-2).InadditiontotherequirementsinthisPartofBS7371,therequirementsinBS7371-1whichareapplicabletozincelectroplatedcoatingsapply.ThisPartofBS7371alsospecifiesrequirementsfor:a)thecoatingthickness;b)thetypeofconversiontreatmentortopcoattobeapplied;c)qualityassessmentofthecorrosionresistanceofunusedcoatedpartswhensubjectedtoneutralsaltspraytesting(forexampleBSENISO9227);andd)anadhesiontest.ZincelectroplatedcoatingscoveredbythisPartofBS7371areforuseonfastenersandaccessorieswherethefollowingapply:1)Acoatinggivinggalvanicprotectionisrequiredforferrousfasteners.2)Asubstrateisrequiredtoimprovethecorrosionresistanceofsubsequentcoatingsonferrousfasteners,e.g.organic.3)Theriskofhydrogenembrittlementofhightensilesteelfastenersisacceptable.
【中国标准分类号】:J13
【国际标准分类号】:21_060_01;25_220_40
【页数】:20P.;A4
【正文语种】:英语



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