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【英文标准名称】:Plastics.Polystrene(PS)mouldingandextrusionmaterials.Preparationoftestspecimensanddeterminationofproperties
【原文标准名称】:塑料.聚苯乙烯模塑和挤塑材料.第2部分:性能的测定
【标准号】:BSISO1622-2-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1996-03-15
【实施或试行日期】:1996-03-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:材料的电学性质;冲击试验;喷射铸造法;模制;试样制备;燃烧试验;试样;抗拉强度;聚苯乙烯;塑料;吸水率;流量率;着火性;高聚物;模塑材料;热塑性聚合物;温度;试验条件;密度;易燃性;挤压;应力
【英文主题词】:testingconditions;electricalpropertiesofmaterials;polymers;density;flammability;specimenpreparation;injectionmoulding;moulding(process);waterabsorption;extruding;ignitability;thermoplasticpolymers;temperature;polystyrene;flowrates;firetests;stress;testspecimens;impacttesting;plastics;tensilestrength;mouldedmaterials
【摘要】:Cancelsandreplacesthefirstedition(1980).SpecifiesthemethodsofpreparationoftestspecimensandthetestmethodstobeusedindeterminingthepropertiesofPSmouldingandextrusionmaterials.Givesrequirementsforhandlingtestmaterialandforconditioningboththetestmaterialbeforemouldingandthespecimensbeforetesting.Givesproceduresandconditionsforthepreparationoftestspecimensandproceduresformeasuringpropertiesofthematerialsfromwhichthesespecimensaremade.ListspropertiesandtestmethodswhicharesuitableandnecessarytocharacterizePSmouldingandextrusionmaterials.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforX-RayEmissionSpectrometricAnalysisofLow-AlloySteels
【原文标准名称】:金属的X射线辐射光谱测定分析试验方法
【标准号】:ASTME1085-1995(2004)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:E01.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:发射分光光度测定法;试验;精整;金属;光谱测定法;表面;分析;X射线
【英文主题词】:emission;low-alloysteel;spectrometric;Xray
【摘要】:Thisprocedureissuitableformanufacturingcontrolandforverifyingthattheproductmeetsspecifications.Thistestmethodprovidesrapid,multielementdeterminationswithsufficientaccuracytoensureproductqualityandminimizeproductiondelays.TheanalyticalperformancedatamaybeusedasabenchmarktodetermineifsimilarX-rayspectrometersprovideequivalentprecisionandaccuracy,oriftheperformanceofaparticularX-rayspectrometerhaschanged.Calciumissometimesaddedtosteeltoeffectinclusionshapecontrolinordertoenhancecertainmechanicalpropertiesofsteel.Thistestmethodisusefulfordeterminingtheresidualcalciuminthesteelaftersuchtreatment.5.2.1Becausecalciumoccursprimarilyininclusions,theprecisionofthistestmethodisafunctionofthedistributionofthecalcium-bearinginclusionsinthesteel.Thevariationofdeterminationsonfreshlypreparedsurfaceswillgivesomeindicationofthedistributionoftheseinclusions.1.1ThistestmethodcoversthewavelengthdispersiveX-rayspectrometricanalysisoflow-alloysteelsforthefollowingelements:ElementConcentrationRange,%Nickel0.04to3.0Chromium0.04to2.5Manganese0.04to2.5Silicon0.06to1.5Molybdenum0.005to1.5Copper0.03to0.6Vanadium0.012to0.6Cobalt0.03to0.2Sulfur0.009to0.1Niobium0.002to0.1Phosphorus0.010to0.08Calcium0.001to0.007