【英文标准名称】:Plasticsfilmandsheeting-Determinationofimpactresistancebythefree-fallingdartmethod-Part2:Instrumentedpuncturetest(ISO7765-2:1994)
【原文标准名称】:塑料膜和板.用自由落体法测定耐冲击性.第2部分:仪器冲孔试验
【标准号】:DINISO7765-2-2008
【标准状态】:作废
【国别】:德国
【发布日期】:2008-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:采集;曲线;损伤;定义;跌落试验;电子的;影片;箔;冲击穿透试验;冲击测试;冲击试验;减少损害;检验;被测量值;包装;包装薄膜;穿透能力;塑料薄膜;塑料薄板;塑料;抗震性;旋转栅门;温度关系;试验设备;测试
【英文主题词】:Acquisition;Curves(geometry);Damage;Definition;Definitions;Droptests;Electronic;Films;Foil;Impactpenetrationtests;Impacttesting;Impacttests;Impairmentdamage;Inspection;Measuredvalue;Packaging;Packagingfilms;Penetrationenergy;Plasticfilms;Plasticsheets;Plastics;Shockresistance;Stiles;Temperaturedependence;Testequipment;Testing
【摘要】:1.1Theimpact-penetrationtestdescribedinthetwopartsofthisInternationalStandardisusedfortheassessmentofplasticfilmsandthinsheets(herein-afterreferredtoasfilms)underanimpactstressap-pliedatrightanglestotheplaneofthefilm.1.2Part1ofthisInternationalStandardcanbeusedifitissufficienttocharacterizetheimpactbehaviourofthefilmbyanimpact-failureenergy.Part2isusedifaforce-deformationoraforce-timediagram,re-cordedatpracticallyconstantvelocityofthestriker,isnecessaryforcharacterizationoftheimpactbehav-iour.Thisappliesif:--measuredquantitiesderivableonlyfromthisdia-gramarerequiredor--onlyasmallnumberoftestspecimensareavail-able.1.3Thetestmethodisapplicabletofilmsofupto1mmthicknessandmakesitpossibletocompareimpact-penetrationforces,biaxialdeformabilitiesandenergy-absorptioncapacitiesoffilms.Furthermore,ifrequired,thetransitionregionbetweenbrittleandtoughbehaviourofthefilmundertheconditionsoft~stingcanbedeterminedbyvaryingthetemperatureorthepenetrationvelocityortherelativehumidity(seealsoannexB).NOTE1Forthicknessesgreaterthan1mm,ISO6603-2shouldbeused.1.4Thetestresultsarecomparableonlyifthecon-ditionsforpreparationofspecimens,theirthicknessandsurfaces,andthetestconditionsareidentical.Comprehensiveevaluationofthereactiontoimpactstressrequiresthatthedeterminationsaremadeasfunctionsofdeformationrateandtemperaturefordifferentmaterialvariables,suchascrystallinityandmoisturecontent.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:18P;A4
【正文语种】:德语