作者:标准资料网 时间:2024-05-10 21:18:16   浏览:9689   来源:标准资料网

【英文标准名称】:Plastics;Determinationofresistancetoenvironmentalstresscracking(ESC);Bentstripmethod
【原文标准名称】:塑料耐环境应力龟裂的测定弯形片法
【标准号】:ISO4599-1986
【标准状态】:作废
【国别】:国际
【发布日期】:1986-04
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;试验;环境试验;测定;应力断裂;撕裂试验;破裂试验
【英文主题词】:Bendtesting;Definition;Definitions;Determination;Environmentaltesting;Materialstesting;Plastics;Resistance;Splittingtests;Stresscrackings;Testmethods;Testspecimens;Testing;Tests;Voltage
【摘要】:ThisInternationalStandardspecifiesamethodforthedeter-minationofenvironmentalstresscracking(ESC)resistanceofplasticsbymeansofaconstantprestraintest.ESCwillbein-dicatedbythechangeofasuitablychosenindicativepropertyofspecimensthathavebeenprestrainedforadefinitetimeintheenvironment.Themethodoftestissuitablefordeterminingtheresistanceofsheetsandofflattestspecimenstoen-vironmentalstresscracking,especiallythesensitivityoflocaliz-edsurfaceregionsofspecimenstoESC.ForthedeterminationoftheESCsensitivityoffinishedarticlesorthebulkofamaterialsubjectedtoaconstantstrain,seeISO4600.ThebentstripmethodissuitableforthedeterminationofESCcausedbygasesandliquidsaswellasbysolidscontainingmigratingsubstances(e.g.polymericadhesivesandmaterialscontainingplasticizers)incontactwithaspecificpolymer.Preferably,thismethodisusedtodeterminetheESCresistanceofrigidplasticswithonlymoderatestressrelaxationintime.Foraconstantstraintest,refertoISO4600.Foraconstantstresstest,refertoISO6252.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:6P;A4
【正文语种】:英语