BS EN ISO 22088-4-2006 塑料.测定耐环境应力破裂性.弯曲带法
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【英文标准名称】:Plastics-Determinationofresistancetoenvironmentalstresscracking(ESC)-Ballorpinimpressionmethod
【原文标准名称】:塑料.测定耐环境应力破裂性.弯曲带法
【标准号】:BSENISO22088-4-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-09-29
【实施或试行日期】:2006-09-29
【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】:球压试验;球;裂纹检验;裂开;定义;环境条件;环境效应;环境应力开裂;压痕试验;材料试验;材料力学性能;销钉;塑料;撕裂试验;应力裂纹特性;应力断裂;应力裂纹;试验设备;试样;试验
【英文主题词】:
【摘要】:1.1ThispartofISO22088specifiesaballorpinimpressionmethodforthedeterminationoftheenvironmentalstresscracking(ESC)behaviourofplasticsbymeansofaconstant-straintest.1.2Themethodisapplicabletofinishedproductsandtotestspecimenspreparedbymouldingand/ormachining,andcanbeusedfortheassessmentoftheESCbehaviourofaplasticproductormaterialexposedtodifferentenvironments,aswellasforthedeterminationoftheESCbehaviourofdifferentplasticsmaterialsexposedtoaspecificenvironment.NOTEAlternativemethodsforthedeterminationofenvironmentalstresscrackingbymeansofaconstant-straintestarespecifiedinISO22088-3andISO22088-5.Amethodforthedeterminationofenvironmentalstresscrackingbymeansofaconstant-stresstestisspecifiedinISO22088-2.1.3TheballandpinimpressionmethodsarebothquickandsensitiveproceduresforassessingtheESCbehaviourofplastics.Themethodsarewellsuitedforamorphousplastics.Theyarelessappropriateformaterialsdisplayingapronouncedtendencyforcreepand/orstressrelaxation,i.e.forsemi-crystallinematerials.Ifsemi-crystallinematerialsaretested,pinsaremoreappropriatethanballs.1.4TheballimpressionmethodisusefulforassessingtheprincipalESCbehaviourofthematerial/chemicalcombinationunderconsideration.Itislessinfluencedbythenear-surfaceorientationstateofthespecimensthanthepinimpressionmethodandthemethodsintheotherpartsofthisInternationalStandard,wherethechemicalattacksonlytheoriginalsurfaceofthematerial.This,dependingonthemannerofspecimenpreparation,mayshowaconsiderabledegreeoforientation.1.5Thepinimpressionmethodisusefulfortestingspecimensofsmallthicknessandfinishedparts.
【中国标准分类号】:G30
【国际标准分类号】:83_080_01
【页数】:22P;A4
【正文语种】:英语
【原文标准名称】:塑料.测定耐环境应力破裂性.弯曲带法
【标准号】:BSENISO22088-4-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-09-29
【实施或试行日期】:2006-09-29
【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】:球压试验;球;裂纹检验;裂开;定义;环境条件;环境效应;环境应力开裂;压痕试验;材料试验;材料力学性能;销钉;塑料;撕裂试验;应力裂纹特性;应力断裂;应力裂纹;试验设备;试样;试验
【英文主题词】:
【摘要】:1.1ThispartofISO22088specifiesaballorpinimpressionmethodforthedeterminationoftheenvironmentalstresscracking(ESC)behaviourofplasticsbymeansofaconstant-straintest.1.2Themethodisapplicabletofinishedproductsandtotestspecimenspreparedbymouldingand/ormachining,andcanbeusedfortheassessmentoftheESCbehaviourofaplasticproductormaterialexposedtodifferentenvironments,aswellasforthedeterminationoftheESCbehaviourofdifferentplasticsmaterialsexposedtoaspecificenvironment.NOTEAlternativemethodsforthedeterminationofenvironmentalstresscrackingbymeansofaconstant-straintestarespecifiedinISO22088-3andISO22088-5.Amethodforthedeterminationofenvironmentalstresscrackingbymeansofaconstant-stresstestisspecifiedinISO22088-2.1.3TheballandpinimpressionmethodsarebothquickandsensitiveproceduresforassessingtheESCbehaviourofplastics.Themethodsarewellsuitedforamorphousplastics.Theyarelessappropriateformaterialsdisplayingapronouncedtendencyforcreepand/orstressrelaxation,i.e.forsemi-crystallinematerials.Ifsemi-crystallinematerialsaretested,pinsaremoreappropriatethanballs.1.4TheballimpressionmethodisusefulforassessingtheprincipalESCbehaviourofthematerial/chemicalcombinationunderconsideration.Itislessinfluencedbythenear-surfaceorientationstateofthespecimensthanthepinimpressionmethodandthemethodsintheotherpartsofthisInternationalStandard,wherethechemicalattacksonlytheoriginalsurfaceofthematerial.This,dependingonthemannerofspecimenpreparation,mayshowaconsiderabledegreeoforientation.1.5Thepinimpressionmethodisusefulfortestingspecimensofsmallthicknessandfinishedparts.
【中国标准分类号】:G30
【国际标准分类号】:83_080_01
【页数】:22P;A4
【正文语种】:英语
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