MIL-PRF-89049/12 (NOTICE 1)
作者:标准资料网 时间:2024-05-29 11:33:14 浏览:8791
来源:标准资料网
MIL-PRF-89049/12 (NOTICE 1), PERFORMANCE SPECIFICATION SHEET: TACTICAL OCEAN DATA - LEVEL 2 (TOD2) (31 MAR 2004)., The purpose of this notice is to inform users of the change in name of the preparing activity from the National Imagery and Mapping Agency (NIMA) to the National Geospatial-Intelligence Agency (NGA), effective 24 October 2003.
【英文标准名称】:Plastics;Filmandsheeting;Determinationoftearresistance;Part2:Elmendorfmethod
【原文标准名称】:塑料薄膜和薄板耐撕裂性测定第2部分:埃尔曼多(ELMENDORF)法
【标准号】:ISO6383-2-1983
【标准状态】:现行
【国别】:国际
【发布日期】:1983-09
【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】:塑料薄膜;抗扯裂强度;塑料;试样;试验;扯裂试验
【英文主题词】:Clamps;Definitions;Elmendorf;Materialstesting;Packaging;Plasticfilms;Plastics;Tearpropagationforce;Tearresistance;Tearstrength;Teartests;Testequipment;Testreports;Testspecimens;Testing
【摘要】:1ThispartofISO6383specifiesamethodofdeterminingtheforcerequiredtopropagateatearthroughaspecifieddistanceandfromaspecifiedslit,cutinatestspecimenofthinflexibleplasticsheetingorfilm,underspecifiedconditionsofloading.Theupperlimitofthicknessthatcanbetesteddependsonthetearingforceofthematerialinrelationtothecapacityofthetestingmachine.Materialsthatcanbetestedaccordingtothismethodincludeflexiblepolylvinylchloride)(PVC)andpolyolefinfilms,butvariableelongationandobliquetearingeffectsonthemoreex-tensiblefilmsmaycausepoorreproducibilityoftestresults.ThismethodmaynotbesuitablefortestingmorerigidmaterialssuchasrigidPVC,nylonandpolyesterfilms.2Thetearresistancetestspecifiedbythismethodisap-pliedtospecimenscutfromsemi-finishedandfinishedpro-ducts.Thetestissuitableforthecontrolofproductionandmanufacturedproductsaswellasforacceptanceorrejectiontestingunderspecificationsforsemi-finishedandfinishedpro-ducts,providedthatithasbeendemonstratedthatthedataforaparticularmaterialareacceptablyreproducible.3Thereisnodirectlinearrelationshipbetweentearingforceandspecimenthickness.Datafromthismethodareex-pressedastearingforceinnewtons,withspecimenthicknessalsoreported.Onlydataobtainedatthesamethicknessshouldbecomparedbecausesetsofdatafromspecimensofdissimilarthicknessaregenerallynotcomparable.
【中国标准分类号】:G31
【国际标准分类号】:83_140_10
【页数】:6P;A4
【正文语种】:英语
Product Code:SAE AS81934/1
Title:Bearing, Sleeve, Plain, Self-Lubricating, -65Mdf to 325Mdf
Issuing Committee:Acbg Plain Bearing Committee
Scope:No scope available.
