【英文标准名称】:Sinteredmetalmaterials,excludinghardmetals-Determinationoftransverserupturestrength
【原文标准名称】:不包括硬质合金的烧结金属材料.横向断裂强度的测定
【标准号】:BSENISO3325-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-09-15
【实施或试行日期】:1999-09-15
【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】:弯曲试验;抗弯强度;抗弯应力;抗断裂强度;测定;材料;材料的机械性能;机械测试;金属粉末;金属;断裂模数;挠折模量;粉末冶金;烧结材料;烧结金属;烧结产品;试验仪表;试验设备;试验;横向压力;横向应变
【英文主题词】:Bendtesting;Bendingstrength;Bendingstress;Breakingstrength;Determination;Materials;Mechanicalpropertiesofmaterials;Mechanicaltesting;Metallicpowders;Metals;Modulusofrupture;Powdermetallurgy;Sintermaterials;Sinteredmetals;Sinteredproducts;Testapparatus;Testequipment;Testing;Transversepressure;Transversestrain
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofthetransverserupturestrengthofsinteredmetalmaterials,excludinghardmetals.Themethodisparticularlysuitableforcomparingthesin-teredstrengthofabatchofmetalpowderwiththatofareferencepowderorwithareferencestrength.Themethodisapplicabletosinteredmetalmaterials,excludinghardmetals,whethertheyhavebeensub-jectedtoheattreatmentaftersinteringornot,andalsotomaterialsthathavebeensizedorcoinedaftersintering.Itisspeciallysuitableformaterialshavingauniformhardnessthroughouttheirsectionandnegligibleduc-tility,i.e.aductilitycorrespondingtoapermanentdeformationoflessthanabout0,5mmmeasuredbetweenthetwosupportsduringthetransverserup-turestrengthdetermination.Ifthetestisappliedtomaterialsunderconditionsotherthanthosespecifiedabove,theconditionsshallbereported.NOTE1Thepermanentdeformationcanbemeasuredwithsufficientprecisionfromthetwofragmentsofthebrokenorcrackedbarbyindexingthelowersurface.Alter-natively,thedeflectionofastraightlinedrawnhorizontallyonthesideofthetestpiececanbemeasuredusinganopticalinstrumentsuchasameasuringmicroscopeoropticalcomparator.
【中国标准分类号】:H16
【国际标准分类号】:77_040_10;77_160
【页数】:12P.;A4
【正文语种】:英语