ASTM D6772-2002(2007) 夹层芯部材料尺寸稳定性的标准试验方法
时间:2024-05-05 18:40:05 来源: 标准资料网 作者：标准资料网 阅读：9997
【英文标准名称】:StandardTestMethodforDimensionalStabilityofSandwichCoreMaterials
【原文标准名称】:夹层芯部材料尺寸稳定性的标准试验方法
【标准号】:ASTMD6772-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D30.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验方法;尺寸稳定性;复合材料;夹心部件;夹层结构
【英文主题词】:core;dimensionalstability;honeycomb
【摘要】:Sandwichpanelcoresmaychangeplandimensionswhenheated.Itisprudenttoknowifthismaybeaproblemwiththefinalpartdimensions.1.1Thistestmethodcoversthedeterminationofthesandwichcoredimensionalstabilityinthetwoplandimensions.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgivenmaybeapproximate.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:83_120
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:Dimensionalmeasuringmethods.Part7:parallelismedeviation.
【原文标准名称】:尺寸测量方法.第7部分:平行度偏差
【标准号】:NFE10-106-1990
【标准状态】:现行
【国别】:法国
【发布日期】:1990-12-01
【实施或试行日期】:1990-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸测量;计量学;测量;符号
【英文主题词】:
【摘要】:
【中国标准分类号】:J42;N04
【国际标准分类号】:17_040_20
【页数】:16P;A4
【正文语种】:其他
【英文标准名称】:GUIDEGuidelinesforsafetyrelatedriskassessmentandriskreductionforlowvoltageequipment
【原文标准名称】:指南.安全风险评估和风险减少指南.低压设备
【标准号】:IECGuide116-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-08-01
【实施或试行日期】:2010-08-01
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thisnon-mandatoryIECGuidecomplementsISO/IECGuide51andestablishesguidelinesusefulforachievingsafetyinlowvoltage(LV)equipment.Theseguidelinesincluderiskassessment,inwhichtheknowledgeandexperienceofthedesign,use,incidents,accidentsandharmrelatedtolowvoltageequipmentarebroughttogetherinordertoassesstherisksduringtherelevantphasesofthelifeoftheequipment,asspecifiedinClause6,andtoimplementthebasicsforriskreductionmeasures.ThisIECguideshouldbeusedbytechnicalcommitteesasfarasappropriateandtotheextenttheydecidetoapplyit.ThisIECGuidegivesadditionalguidancetoISO/IECGuide50,51and71ontheinformationrequiredtoallowriskassessmenttobeperformed.Proceduresaredescribedforidentifyinghazards,estimatingandevaluatingrisk(includingcomparisonofrisks)andriskreductionwherenecessary.Risksconsideredinthisdocumentincludepossibledamagestopersons,property,andlivestock.Itisnotintendedthatthestructureofthisguidebeadoptedbytechnicalcommittees.ThepurposeofthisIECGuideistoprovideguidancefortechnicalcommitteesfordecisionstobemadeonthesafetyoflowvoltageequipmentandthetypeofdocumentationrequiredtoverifytheriskassessmentcarriedout.Componentsintendednottobeusedalonecanonlybeassessedinsofarasthemanufacturercanpredictthereasonablyforeseeableuse.ThevoltagerangeconsideredinthisIECGuideisupto1000Va.c.(1500Vd.c.).Lowvoltageequipmentgeneratinginternalvoltageshigherthan1000Va.c.(1500Vd.c.)arecovered,providedthesevoltagesarenottouchable(example:TVsetwithinternalHVcascade).Productstandardsshallrequirethattheequipmentdocumentationincludeadequateinformationforthesafeuseofequipment.Thisguidedoesnotcovercomponentsusedwithintheelectricaldistributionsystemorwithinanelectricalsystemormachineswhoseriskassessmentdependstoaverylargeextentonhowtheyareusedandincorporatedinanelectricalsystemorinstallation.ThisIECGuideitselfisnotintendedtobeusedforthepurposeofcertification.Productcommitteesareencouragedtoincludeaclauseinproductsafetystandardspertainingtoriskassessment,tobeusedwhentherequirementsofthestandarddonotfullyencompassallpossiblehazardswithequipmentwithinthestandard’sscope.ThisclauseshouldincorporatetheprinciplesofthisGuide.
【中国标准分类号】:K00
【国际标准分类号】:29_020
【页数】:42P.;A4
【正文语种】:英语