作者:标准资料网 时间:2024-05-29 07:46:32   浏览:8089   来源:标准资料网

【英文标准名称】:StandardTestMethodforThermalConductivityofPlasticsbyMeansofaTransientLine-SourceTechnique
【原文标准名称】:用瞬变线源技术对塑料热导性的标准试验方法
【标准号】:ASTMD5930-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:聚合材料;导热性;试验;塑料和橡胶技术;材料试验
【英文主题词】:line-sourceprobe;line-sourcetechnique;plastics;rubber-thermalconductivity;thermoplastics;thermosets
【摘要】:Therelativesimplicityofthetestmethodmakesitapplicableforawiderangeofmaterials(4,5).Thetechniqueiscapableoffastmeasurements,makingitpossibletotakedatabeforethematerialssufferthermaldegradation.Alternatively,itispossibletostudytheeffectofcompositionalchangessuchaschemicalreactionoraging(6).Shortmeasurementtimespermitgenerationoflargeamountsofdatawithlittleeffort.Theline-sourceprobeandtheaccompanyingtestspecimenaresmallinsize,makingitpossibletosubjectthesampletoawiderangeoftestconditions.Becausethistestmethoddoesnotcontainanumericalprecisionandbiasstatement,itshallnotbeusedasarefereetestmethodincaseofdispute.1.1Thistestmethodcoversthedeterminationofthethermalconductivityofplasticsoveratemperaturerangefrom-40to400oC.Thethermalconductivityofmaterialsintherangefrom0.08to2.0W/m.Kcanbemeasuredcoveringthermoplastics,thermosets,andrubbers,filledandreinforced.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1--ThereisnocurrentISOdocumentthatduplicatesthistestmethod.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:5P.;A4
【正文语种】: