ASTM D 2344-1984 用短梁法测定平行纤维组合材料表观层间剪切强度的试验方法
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来源:标准资料网
【英文标准名称】:TestMethodforApparentInterlaminarShearStrengthofParallelFiberCompositesbyShort-BeamMethod
【原文标准名称】:用短梁法测定平行纤维组合材料表观层间剪切强度的试验方法
【标准号】:ASTMD2344-1984
【标准状态】:作废
【国别】:美国
【发布日期】:1984
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:航天技术;材料;航空航天运输;试验;叠层板材;纤维;剪切强度
【英文主题词】:fibres;testing;spacetechnology;shearstrength;laminates;materials;aerospacetransport
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:83_120
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:PAINTSANDVARNISHES.DETERMINATIONOFTESISTANCETOHUMIDITY(CONTINOUSCONDENSATION).
【原文标准名称】:涂料和清漆.耐潮性能的测定(连续浓缩法)
【标准号】:NFT30-077-1982
【标准状态】:作废
【国别】:法国
【发布日期】:1982-02
【实施或试行日期】:1982-01-14
【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】:试验设备;涂料;清漆;取样;抽样方法;试验;湿空气试验;影片;膜(物态);冷凝
【英文主题词】:films;films(statesofmatter);dampairtests;damp-airtests;paints;varnishes;tests;testing;sampling;samplingmethods;condensation;testequipment
【摘要】:
【中国标准分类号】:G51
【国际标准分类号】:
【页数】:4P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforFlatwiseCompressivePropertiesofSandwichCores
【原文标准名称】:层压芯材的抗平向压强的标准试验方法
【标准号】:ASTMC365/C365M-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:compressivemodulus;compressivestrength;flatwise;sandwichcore
【摘要】:Flatwisecompressivestrengthandmodulusarefundamentalmechanicalpropertiesofsandwichcoresthatareusedindesigningsandwichpanels.Deformationdatacanbeobtained,andfromacompleteforceversusdeformationcurve,itispossibletocomputethecompressivestressatanyappliedforce(suchascompressivestressatproportionallimitforceorcompressivestrengthatthemaximumforce)andtocomputetheeffectivemodulusofthecore.Thistestmethodprovidesastandardmethodofobtainingtheflatwisecompressivestrengthandmodulusforsandwichcorestructuraldesignproperties,materialspecifications,researchanddevelopmentapplications,andqualityassurance.Inordertopreventlocalcrushingattheedgesofsomehoneycombcores,itisoftendesirabletostabilizetheedgeswithasuitablematerial,suchasathinlayerofresinorthinfacings.Flatwisecompressivestrengthdatamaybegeneratedusingeitherstabilizedspecimens(reportedasstabilizedcompressionstrength)ornon-stabilizedspecimens(reportedasbarecompressionstrength).Itiscustomaryaerospaceindustrypracticetodeterminecompressionmodulusonlywhenusingstabilizedspecimens.Factorsthatinfluencetheflatwisecompressivestrengthandshallthereforebereportedincludethefollowing:corematerial,methodsofmaterialfabrication,coregeometry(cellsize),coredensity,specimengeometry,specimenpreparation,specimenconditioning,environmentoftesting,specimenalignment,loadingprocedure,andspeedoftesting.1.1Thistestmethodcoversthedeterminationofthecompressivestrengthandmodulusofsandwichcores.Thesepropertiesareusuallydeterminedfordesignpurposesinadirectionnormaltotheplaneoffacingsasthecorewouldbeplacedinastructuralsandwichconstruction.Thetestprocedurespertaintocompressioninthisdirectioninparticular,butalsocanbeappliedwithpossibleminorvariationstodeterminingcompressivepropertiesinotherdirections.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】:7P.;A4
【正文语种】:英语
