BS EN 843-1-1995 高级技术陶瓷.整体陶瓷.室温下陶瓷的机械特征.弯曲强度的测定

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【英文标准名称】:Advancedtechnicalceramics-Monolithicceramics-Mechanicalpropertiesatroomtemperature-Determinationofflexuralstrength
【原文标准名称】:高级技术陶瓷.整体陶瓷.室温下陶瓷的机械特征.弯曲强度的测定
【标准号】:BSEN843-1-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-03-15
【实施或试行日期】:1995-03-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:整体材料;试验条件;弯曲试验;粗糙度;特种陶瓷;尺寸;陶瓷;试验设备;试样制备;试样;数学计算
【英文主题词】:Advancedtechnicalceramics;Ambienttemperatures;Bendingstrength;Ceramics;Determination;Environmentaltesting;Flexuralcreep;Materialstesting;Mechanicalproperties;Monolithicmaterials;Temperature;Testing
【摘要】:ThisPartofEN843describesmethodsfordeterminingthenominalflexuralstrengthofadvancedmonolithictechnicalceramicmaterialsatambienttemperature.Theavailableloadinggeometriesarethree-andfour-pointflexure,usingrectangularsectiontestpiecesoftwoprescribedgeometries:20mmsupportspan(A)and40mmsupportspan(B).Thetestprescribesfourcategoriesofsurfacefinishappliedtothetestpieces:Ⅰ:as-firedorannealedaftermachining;Ⅱ:machinedusingagreedgrindingproceduresandmaterialremovalrates;Ⅲ:standardfinishingprocedures:Ⅲ.1:finishingbygrinding;Ⅲ.2:finishingbylapping/polishing.NOTE.Thetestmaynotgiverepresentativeresultsifthemeanlinearinterceptgrainsizeexceeds5%ofthethicknessofthetestpiece,withtheexceptionofsinglecrystals.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:20P.;A4
【正文语种】:英语