作者:标准资料网 时间:2024-05-21 10:22:25   浏览:8518   来源:标准资料网

【英文标准名称】:StandardTestMethodforFlexureCreepofSandwichConstructions
【原文标准名称】:夹层结构挠曲蠕变的标准试验方法
【标准号】:ASTMC480-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D30.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;挠曲蠕变;叠层板材
【英文主题词】:creep;creepdeflection;sandwich;sandwichconstruction;
【摘要】:Thedeterminationofthecreeprateprovidesinformationonthebehaviorofsandwichconstructionsunderconstantload.Creepisdefinedasdeflectionunderconstantloadoveraperiodoftimebeyondtheinitialdeformationasaresultoftheapplicationoftheload.Deflectiondataobtainedfromthistestmethodcanbeplottedagainsttime,andacreepratedetermined.Byusingstandardspecimenconstructionsandconstantloading,thetestmethodmayalsobeusedtoevaluatecreepbehaviorofsandwichpanelcore-to-facingadhesives.Thistestmethodprovidesastandardmethodofobtainingflexurecreepofsandwichconstructionsforqualitycontrol,acceptancespecificationtesting,andresearchanddevelopment.1.1Thistestmethodcoversthedeterminationofthecreepcharacteristicsandcreeprateofsandwichconstructionsloadedinflexure,atanydesiredtemperature.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgivenmaybeapproximate.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q23
【国际标准分类号】:83_120
【页数】:2P.;A4
【正文语种】: