【英文标准名称】:StandardTestMethodforQuantitativelyMeasuringtheEffectofThermalShockandThermalCyclingonRefractories
【原文标准名称】:耐火材料热冲击效应和热循环效应定量测量的标准试验方法
【标准号】:ASTMC1171-2005(2011)
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:C08.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:挠折模量;耐火材料;音速;热循环
【英文主题词】:modulusofrupture;refractories;sonicvelocity;thermalcycling
【摘要】:Thistestmethodindicatestheabilityofarefractoryproducttowithstandthestressgeneratedbysuddenchangesintemperature.Becausetherecommendedfurnacetemperatureofthiscyclingtestis1200x00B0;C(2190x00B0;F),thistestmethodmaynotindicatetheabilityofarefractoryproducttowithstandcyclingathigherorlowertemperatures,especiallyiftheexistingmorphologyoftherefractoryproductchanges.Thistestmethodisusefulforresearchanddevelopment,aswellasforcomparingrefractoryproducts.Theprecisionshouldbeconsideredwhenusingthistestforspecificationpurposes.1.1Thistestmethodisusedfordeterminingthestrengthlossorreductionincontinuity,orboth,ofprism-shapedspecimenswhicharecutfromrefractorybrickorshapesandsubjectedtothermalcycling.1.2Thestrengthlossismeasuredbythedifferenceinmodulusofrupture(MOR)betweenuncycledspecimensandthespecimenssubjectedtothermalcycling.1.3Thereductioninstructuralcontinuityisestimatedbythedifferenceinsonicvelocitybeforeandafterthermalcycling.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:17_200_10;81_080
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Lasersandlaser-relatedequipment-Testmethodsforlaserbeampaarameters-Beamwidths,divergenceangleandbeampropagationfactor.
【原文标准名称】:激光及其相关设备.激光束参数的试验方法.波束宽度、发散角和波束扩散因子
【标准号】:NFS10-120-1999
【标准状态】:作废
【国别】:法国
【发布日期】:1999-11-01
【实施或试行日期】:1999-11-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;激光工程;符号;射流;光学仪器;激光束;衍射;设备;布置;分散;测量单位;能量密度;基本术语;辐射质量;发散角;力密度;扩散因子;额定值;激光器;尺寸;参数;试验;光学;激光设备;光学设备;激光辐射;辐射;直径;定义
【英文主题词】:
【摘要】:
【中国标准分类号】:L51
【国际标准分类号】:31_260
【页数】:35P;A4
【正文语种】:其他