【英文标准名称】:Methodsoftestingplastics-Glassreinforcedplastics-Determinationoftensileproperties
【原文标准名称】:塑料试验方法.第10部分:玻璃纤维增强塑料.试验方法1003:拉伸性能测定
【标准号】:BS2782-10Method1003-1977
【标准状态】:现行
【国别】:英国
【发布日期】:1977-08-31
【实施或试行日期】:1977-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试样制备;抗拉应力;抗拉试验;复合材料;机械试验;试验条件;热塑性聚合物;热固性聚合物;试样;弹性模量;延伸;玻璃纤维;尺寸;塑料;形状;高聚物;增强的材料
【英文主题词】:Definitions;Glass-fibrereinforced;Glass-fibrereinforcedplastics;Plastics;Tensilestrength;Tensiletesting;Testequipment;Testspecimens;Testing
【摘要】:1ThisEuropeanStandardspecifiesamethodofdeterminingcertaintensilepropertiesoftextileglassreinforcedplastics.Themethodspecifiedisnotnecessarilyapplicabletomaterialsofveryhightensilestrength,forexampleunidirectionalreinforcedmaterials.Themethodisapplicabletoreinforcedthermosettingresinsandalsotoreinforcedthermoplastics.Injection-mouldedtestspecimensmadefromreinforcedthermoplasticsaresubjecttofibreorientation,andmaygivevaluesthatareuntypicallyhigh;however,theymaybeusedifothermethodsofspecimenpreparationareimpracticable.2Themethoddescribesthedeterminationofthefollowingtensileproperties:—theinitialtangentmodulusofelasticityandthetensilesecantmodulusofelasticity(whenitisnotpossibletodeterminetheinitialtangentmodulusofelasticity,thetensilesecantmodulusofelasticityat0.1%strainisdetermined);—maximumtensilestress;NOTE.Ifthereisacleanbreakthemaximumtensilestressisthestressatbreak;inothercasesitisthestresscorrespondingtothemaximumforce.—theelongationatmaximumforceand,possibly,theelongationatbreak.Theforce-elongationcurvesatdifferenttemperatures,degreesofhumidityandratesofstrainyieldinterestinginformationconcerningthebehaviourofthematerials.3Itisonlypossibletoobtaincomparablevaluesbetweendifferentmaterialsifidenticaltestspecimensareused.Theseshouldalsobetestedunderwelldefinedconditionsofpretreatment,temperature,humidityandrateofstrain.Finally,itistheaimofthismethodtoobtaintensileresultsthatcanbeusedeitherfor—qualitycontrol,or—thepreparationofspecificationsformaterials.note:1)Anewdocumentforthetestingofrovinglaminates(unidirectional)isunderstudyandwhencompletedwillbeintegratedintothisEuropeanStandard.
【中国标准分类号】:G32;G31
【国际标准分类号】:83_120
【页数】:12P.;A4
【正文语种】:英语