ASTM C368-1988(2011) 陶瓷餐具抗冲击性的标准试验方法

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【英文标准名称】:StandardTestMethodforImpactResistanceofCeramicTableware
【原文标准名称】:陶瓷餐具抗冲击性的标准试验方法
【标准号】:ASTMC368-1988(2011)
【标准状态】:现行
【国别】:
【发布日期】:1988
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C21.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:陶瓷餐具;抗冲击(强度)
【英文主题词】:ceramictableware;impactresistance
【摘要】:Thepurposeofthistestmethodistopredictproductresistancetoimpactbreakageinservice.1.1Thistestmethodcoversthefollowingtests:1.1.1Impacttestsatthecenterofbothflatwareandhollowwareandattherimofhollowware,and1.1.2Chippingtestsattherimofflatware.Specimensmaybeeitherglazedorunglazed.Note1Theimpacttestatthecenterofthespecimenisusedtodetermine:(1)themagnitudeofablowthatwillproduceinitialfracture,and(2)theamountofenergynecessarytoproducecompletefailure.Inthefirstcase,theinitialfractureshowsonthesideofthepieceoppositefromthatbeingstruckandappearstobeafunctionofthesquareofthethicknessandoftheinherentbrittlenessofthebodyorbody-glazecombination;itisrelativelyindependentofthesizeordesignofthespecimen.Thesecondfactorismoredependentupondesignandoftenissubjecttowidevariationwithinagivengroupofpieces.Note2Theimpacttestattherimofhollowwareissimilartoachippingtest,andthetypeoffailurethatisobtainedisusefulinevaluatingtheeffectoftheshapeoftheobject.Note3Inadditiontotheinherentstrengthofthebody,chippingtestresultsaregreatlyaffectedbycontourofrimandtoalesserextentbythicknessofrim,inclinationofleaf,andfitofglaze.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSI(metric)unitsgiveninparenthesesareforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y26
【国际标准分类号】:97_040_60
【页数】:4P.;A4
【正文语种】: