ASTM D6416/D6416M-2001(2007) 承受分布荷载的简易支撑夹层复合板二维挠曲性能的标准试验方法
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【英文标准名称】:StandardTestMethodforTwo-DimensionalFlexuralPropertiesofSimplySupportedSandwichCompositePlatesSubjectedtoaDistributedLoad
【原文标准名称】:承受分布荷载的简易支撑夹层复合板二维挠曲性能的标准试验方法
【标准号】:ASTMD6416/D6416M-2001(2007)
【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】:D30.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bending;core;deflection;distributedload;facesheets;flexuralproperties;hydromat;hydrostaticloading;pressurebladder;sandwichcomposite;sandwichcompositeplate;sandwichstructure;shear
【摘要】:Thistestmethodsimulatesthehydrostaticloadingconditionswhichareoftenpresentinactualsandwichstructures,suchasmarinehulls.Thistestmethodcanbeusedtocomparethetwo-dimensionalflexuralstiffnessofasandwichcompositemadewithdifferentcombinationsofmaterialsorwithdifferentfabricationprocesses.Sinceitisbasedondistributedloadingratherthanconcentratedloading,itmayalsoprovidemorerealisticinformationonthefailuremechanismsofsandwichstructuresloadedinasimilarmanner.Testdatashouldbeusefulfordesignandengineering,materialspecification,qualityassurance,andprocessdevelopment.Inaddition,datafromthistestmethodwouldbeusefulinrefiningpredictivemathematicalmodelsorcomputercodeforuseasstructuraldesigntools.Propertiesthatmaybeobtainedfromthistestmethodinclude:5.1.1Panelsurfacedeflectionatload,5.1.2Panelface-sheetstrainatload,5.1.3Panelbendingstiffness,5.1.4Panelshearstiffness,5.1.5Panelstrength,and5.1.6Panelfailuremodes.1.1Thistestmethoddeterminesthetwo-dimensionalflexuralpropertiesofsandwichcompositeplatessubjectedtoadistributedload.Thetestfixtureusesarelativelylargesquarepanelsamplewhichissimplysupportedallaroundandhasthedistributedloadprovidedbyawater-filledbladder.ThistypeofloadingdiffersfromtheprocedureofTestMethodC393,whereconcentratedloadsinduceone-dimensional,simplebendinginbeamspecimens.1.2Thistestmethodisapplicabletocompositestructuresofthesandwichtypewhichinvolvearelativelythicklayerofcorematerialbondedonbothfaceswithanadhesivetothin-facesheetscomposedofadenser,higher-modulusmaterial,typically,apolymermatrixreinforcedwithhigh-modulusfibers.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:83_120
【页数】:12P.;A4
【正文语种】:英语
【原文标准名称】:承受分布荷载的简易支撑夹层复合板二维挠曲性能的标准试验方法
【标准号】:ASTMD6416/D6416M-2001(2007)
【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】:D30.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bending;core;deflection;distributedload;facesheets;flexuralproperties;hydromat;hydrostaticloading;pressurebladder;sandwichcomposite;sandwichcompositeplate;sandwichstructure;shear
【摘要】:Thistestmethodsimulatesthehydrostaticloadingconditionswhichareoftenpresentinactualsandwichstructures,suchasmarinehulls.Thistestmethodcanbeusedtocomparethetwo-dimensionalflexuralstiffnessofasandwichcompositemadewithdifferentcombinationsofmaterialsorwithdifferentfabricationprocesses.Sinceitisbasedondistributedloadingratherthanconcentratedloading,itmayalsoprovidemorerealisticinformationonthefailuremechanismsofsandwichstructuresloadedinasimilarmanner.Testdatashouldbeusefulfordesignandengineering,materialspecification,qualityassurance,andprocessdevelopment.Inaddition,datafromthistestmethodwouldbeusefulinrefiningpredictivemathematicalmodelsorcomputercodeforuseasstructuraldesigntools.Propertiesthatmaybeobtainedfromthistestmethodinclude:5.1.1Panelsurfacedeflectionatload,5.1.2Panelface-sheetstrainatload,5.1.3Panelbendingstiffness,5.1.4Panelshearstiffness,5.1.5Panelstrength,and5.1.6Panelfailuremodes.1.1Thistestmethoddeterminesthetwo-dimensionalflexuralpropertiesofsandwichcompositeplatessubjectedtoadistributedload.Thetestfixtureusesarelativelylargesquarepanelsamplewhichissimplysupportedallaroundandhasthedistributedloadprovidedbyawater-filledbladder.ThistypeofloadingdiffersfromtheprocedureofTestMethodC393,whereconcentratedloadsinduceone-dimensional,simplebendinginbeamspecimens.1.2Thistestmethodisapplicabletocompositestructuresofthesandwichtypewhichinvolvearelativelythicklayerofcorematerialbondedonbothfaceswithanadhesivetothin-facesheetscomposedofadenser,higher-modulusmaterial,typically,apolymermatrixreinforcedwithhigh-modulusfibers.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:83_120
【页数】:12P.;A4
【正文语种】:英语
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