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【英文标准名称】:StandardTestMethodforMeasurementofGlassStress8212;OpticalCoefficient
【原文标准名称】:玻璃应力&8212测量的标准试验方法.光学系数
【标准号】:ASTMC770-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:C14.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Glass;Opticalcoefficient;Opticalmaterials/properties/tests;Stress--glassmaterials/applications;Stresscrackingtests
【摘要】:Stress-opticalcoefficientsareusedinthedeterminationofstressinglass.Theyareparticularlyusefulindeterminingthemagnitudeofthermalresidualstressesforannealingorpre-stressing(tempering)glass.Assuch,theycanbeimportantinspecificationacceptance.1.1Thistestmethodcoversproceduresfordeterminingthestress-opticalcoefficientofglass,whichisusedinphotoelasticanalyses.InProcedureAtheopticalretardationisdeterminedforaglassfibersubjectedtouniaxialtension.InProcedureBtheopticalretardationisdeterminedforabeamofglassofrectangularcrosssectionwhensubjectedtofour-pointbending.InProcedureC,theopticalretardationismeasuredforabeamofglassofrectangularcross-sectionwhensubjectedtouniaxialcompression.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_10
【页数】:7P.;A4
【正文语种】:英语