BS ISO 7743-2004 硫化或热塑性橡胶.压缩应力-应变性能的测定

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【英文标准名称】:Rubber,vulcanizedorthermoplastic-Determinationofcompressionstress-strainproperties
【原文标准名称】:硫化或热塑性橡胶.压缩应力-应变性能的测定
【标准号】:BSISO7743-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-02-18
【实施或试行日期】:2004-02-18
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Compressionset;Compressiontesting;Compressiontests;Compressivestress;Definition;Definitions;Determination;Elastomers;Materialstesting;Metalplates;Plates;Pressurebehaviour;Rubber;Strain;Strainmeasurement;Testreports;Testspecimens;Testing;Tests;Thermoplasticpolymers;Unworked;Vulcanization;Vulcanizedrubber
【摘要】:ISO7743:2004specifiesmethodsforthedeterminationofthecompressionstress-strainpropertiesofvulcanizedorthermoplasticrubber,usingastandardtestpiece,aproductorapartofaproduct.Threeproceduresaregiven:usingastandardtestpiecewiththemetalplateslubricated;usingastandardtestpiecewiththemetalplatesbondedtothetestpiece;usingaproductorapartofaproductwiththemetalplateslubricated.Thethreeproceduresdonotgivethesameresults.Withlubricatedtestpieces,theresultsaredependentonlyonthemodulusoftherubberandareindependentofthetestpieceshape,providedthatcompleteslipconditionsareachieved.Effectivelubricationissometimesdifficulttoachieve,however,anditisprudenttoinspectthevarianceinthetestresultsfromreplicatetestpiecesforindicationsoferraticslipconditions.Withbondedtestpieces,theresultsaredependentonboththemodulusoftherubberandthetestpieceshape.Thedependenceontestpieceshapeisstrongandconsequentlytheresultswillbemarkedlydifferentfromthoseobtainedwithlubricatedtestpieces.Forproducts,theresultisdependentontheshape,butastestsonproductsaremainlycomparativethisisacceptable.NOTEForwell-specifiedproductshapes,suchasO-rings,theresultmaybecorrelatedtothehardnessvalue.Themethodisnotsuitableformaterialsthatexhibithighset.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:22P.;A4
【正文语种】:英语