BS EN ISO 3386-2-1998+A1-2010 泡沫柔性聚合材料.压缩情况下应力-应变特性的测定.高密度材料

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【英文标准名称】:Flexiblecellularpolymericmaterials-Determinationofstress-straincharacteristicsincompression-High-densitymaterials
【原文标准名称】:泡沫柔性聚合材料.压缩情况下应力-应变特性的测定.高密度材料
【标准号】:BSENISO3386-2-1998+A1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:1998-06-15
【实施或试行日期】:1998-06-15
【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】:压缩试验;压缩应力;定义;密度;测定;泡沫橡胶;材料测试;方法;塑料;高聚物;特性;橡胶;应变;测试
【英文主题词】:Compressiontesting;Compressivestress;Definitions;Density;Determination;Foamedrubber;Materialstesting;Methods;Plastics;Polymers;Properties;Rubber;Strain;Testing
【摘要】:ThispartofISO3386specifiesamethodforthedeterminationofthecompressionstress-straincharacteristicsofflexiblecellularpolymericmaterialsofdensitygreaterthan250kg/m3.Thecompressionstress-straincharacteristicisameasureoftheload-bearingpropertiesofthematerial,thoughnotnecessarilyofitscapacitytosustainalong-termload.Thecompressionstress-straincharacteristicdiffersfromtheindentationhardnesscharacteristics(asdeterminedinaccordancewithISO2439)whichareknowntobeinfluencedbythethicknessandthetensilepropertiesoftheflexiblecellularmaterialundertest,theshapeofthecompressionplate,andtheshapeandsizeofthetestpiece.ISO3386-1specifiesamethodforlow-densityflexiblematerials,anddiffersfromPart2inthefollowingways:-Part1isconcernedwithmaterialsofdensityupto250kg/m3,whilstPart2ismainlyconcernedwithmaterialsofdensityabove250kg/m3;-compressionstressvalueshavebeendeletedfromPart2;-Part2doesnotallowtheuseofacylindricaltestpiece.ThispartofISO3386isageneralmethodfortestingdenserflexiblecellularmaterials(i.e.expandedcellularrubbers),measurementsbeingmadeononeofmorepointsonthesteeplyrisingpartofthestress-straincurve.Theshapefactorofthetestpieceisimportantandcomparativetestresultscanonlybeobtainedontestpieceshavingthesameshapefactor.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:12P.;A4
【正文语种】:英语