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【英文标准名称】:StandardTestMethodforKnoopIndentationHardnessofCeramicWhitewares
【原文标准名称】:卫生陶瓷努氏压痕硬度的试验方法
【标准号】:ASTMC849-1988(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】:白瓷;努普压痕硬度;硬度(压痕);努氏硬度(HK)编号
【英文主题词】:ceramicwhitewares;Knoopindentationhardness;Hardness(indentation);Knoophardness(HK)number
【摘要】:TheKnoopindentationhardnessisoneofmanypropertiesthatisusedtocharacterizeceramicwhitewares.AttemptshavebeenmadetorelateKnoopindentationhardnesstotensilestrength,grindingspeeds,andotherhardnessscales,butnogenerallyacceptedmethodsareavailable.Suchconversionsarelimitedinscopeandshouldbeusedwithcaution,exceptforspecialcaseswhereareliablebasisfortheconversionhasbeenobtainedbycomparisontests.1.1ThistestmethodcoversthedeterminationoftheKnoopindentationhardnessofceramicwhitewaresandtheverificationofKnoopindentationhardnesstestingmachinesusingstandardglasses.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q31
【国际标准分类号】:81_060_20
【页数】:5P.;A4
【正文语种】: