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ISO 1209-1-2007 硬质泡沫塑料.弯曲特性测定.第1部分:基本弯曲试验

作者:标准资料网 时间:2024-03-29 07:00:32  浏览:8421   来源:标准资料网
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【英文标准名称】:Rigidcellularplastics-Determinationofflexuralproperties-Part1:Basicbendingtest
【原文标准名称】:硬质泡沫塑料.弯曲特性测定.第1部分:基本弯曲试验
【标准号】:ISO1209-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:弯曲测试;弯曲性能;弯曲力矩;抗弯强度;抗弯应力;多孔材料;挠曲;测定;泡沫橡胶;断裂;弹性模量;塑料;预调节;抵抗力矩;刚性;应力;试样;测试
【英文主题词】:Bendtesting;Bendingbehaviour;Bendingmoment;Bendingstrength;Bendingstress;Cellularmaterials;Deflection;Determination;Flexuralstrength;Foamedrubber;Fracture;Modulusofelasticity;Plastics;Preconditioning;Resistingmoment;Rigid;Stress;Testspecimens;Testing
【摘要】:ThispartofISO1209specifiesasimplemethodforassessingthebehaviourofabarofrigidcellularplasticundertheactionofthree-pointbending.Itmaybeusedtodetermine—eithertheloadforaspecifieddeformation;—ortheloadatbreak.TheversionofthemethodspecifiedinthispartofISO1209usessmalltestspecimensanddoesnotproducepurebending.Henceitdoesnotpermitthecalculationoftheflexuralstrengthortheapparentflexuralmodulus(modulusofelasticity).TheuserisreferredtoISO1209-2forthedeterminationoftheseparameters.Themethodisnotapplicabletocellularplasticsinwhichsignificantcrushingisobserved.Numericalvaluesshouldbecomparedonlywhendeterminedonmaterialsofsimilarphysicalpropertiesanddimensions.Themethodislimitedtomaterialsof20mmthicknessorgreater.
【中国标准分类号】:G32
【国际标准分类号】:83_100
【页数】:4P.;A4
【正文语种】:英语


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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


MIL-PRF-24139A (AMENDMENT 3), GREASE, MULTIPURPOSE, WATER RESISTANT (12 MAR 1987) [SUPERSEDING AMENDMENT 2 AND MIL-G-24139 (SHIPS)].

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