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【英文标准名称】:StandardTestMethodforModeIInterlaminarFractureToughnessofUnidirectionalFiber-ReinforcedPolymerMatrixComposites
【原文标准名称】:单向纤维增强聚合母体复合材料I型层间断裂韧性的标准试验方法
【标准号】:ASTMD5528-2001(2007)e3
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:D30.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;delamination;doublecantileverbeam;interlaminarfracturetoughness;ModeI;Cantilevertesting;Compositeplasticmaterials/applications;Cracking;Delamination;Double-cantileverbeam(DCB);Fracturetesting--composites;Interl
【摘要】:Susceptibilitytodelaminationisoneofthemajorweaknessesofmanyadvancedlaminatedcompositestructures.Knowledgeofalaminatedcompositematerial''sresistancetointerlaminarfractureisusefulforproductdevelopmentandmaterialselection.Furthermore,ameasurementoftheModeIinterlaminarfracturetoughness,independentofspecimengeometryormethodofloadintroduction,isusefulforestablishingdesignallowablesusedindamagetoleranceanalysesofcompositestructuresmadefromthesematerials.Thistestmethodcanservethefollowingpurposes:Toestablishquantitativelytheeffectoffibersurfacetreatment,localvariationsinfibervolumefraction,andprocessingandenvironmentalvariablesonGIcofaparticularcompositematerial.TocomparequantitativelytherelativevaluesofGIcforcompositematerialswithdifferentconstituents.Todevelopdelaminationfailurecriteriaforcompositedamagetoleranceanddurabilityanalyses.1.1ThistestmethoddescribesthedeterminationoftheopeningModeIinterlaminarfracturetoughness,GIc,ofcontinuousfiber-reinforcedcompositematerialsusingthedoublecantileverbeam(DCB)specimen(Fig.1).1.2Thistestmethodislimitedtousewithcompositesconsistingofunidirectionalcarbonfiberandglassfibertapelaminateswithbrittleandtoughsingle-phasepolymermatrices.Thislimitedscopereflectstheexperiencegainedinround-robintesting.Thistestmethodmayproveusefulforothertypesandclassesofcompositematerials;however,certaininterferenceshavebeennoted(see6.5).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandardmayinvolvehazardousmaterials,operations,andequipment.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(a)withpianohinges(b)withloadingblocksFIG.1DoubleCantileverBeamSpecimen
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:Wallcoveringsinrollform;specificationfortextilewallcoverings;germanversionEN266:1991
【原文标准名称】:卷筒式贴墙纸.纺织物贴墙纸的规范
【标准号】:DINEN266-1992
【标准状态】:现行
【国别】:德国
【发布日期】:1992-03
【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】:规范(审批);检验;作标记;织物料壁纸;尺寸;彩色稳定性;壁纸;内装修;内墙饰层;图形符号;卷材;墙面饰层;脚轮;试验;符号;耐光性;纺织材料
【英文主题词】:Castors;Coils;Colourstability;Dimensions;Graphicsymbols;Impactresistance;Inspection;Interiordecorating;Interiorwallcoverings;Light-fastness;Marking;Specification(approval);Symbols;Testing;Textilewallpapers;Textiles;Wallcoverings;Wallpaper
【摘要】:Thisdocumentspecifiestherequirementsonwallcoveringsfromtextileswhicharedeliveredinrollformandstickedcompletelyonthesurfaceofwalls.Furthermore,themethodsfortestingtherequirementsandthesymbolsforthequalitygradesofthewallcoveringsandforthehangingmethodsaregiven.#,,#
【中国标准分类号】:Q18
【国际标准分类号】:91_180
【页数】:8P.;A4
【正文语种】:德语