热塑性塑料性能测试方法（testing methods for properties of thermoplastics）

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1、热塑性塑料性能测试方法（Testingmethodsforpropertiesofthermoplastics）PptdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyouselectTXTfirstordownloadthesourcefiletothelocalmachine.TestingmethodsforthemainpropertiesofthermoplasticsStretch(Tensileproperties)-(T

2、s)tensilestrengthandelongationoftensiletensilestrength(Tensileproperties)-(Ts)andelongation(Te)andelongation(Te)(FlexuralProperties)-bendingcharacteristicsoftheflexuralstrengthandflexuralmodulus(Fs)(FlexuralProperties)-bendingpropertiesandbendingstrength(Fs)thef

3、lexuralmodulusandflexuralmodulus(Fm)(Fm)(impactstrengthimpactstrengthofImpact(ImpactStrength)flameretardant(Flammability)flameretardant(Flammability)heatdeformationtemperature(thermaldeformationtemperatureHeat(HeatDeflectionTemperature)liquidityliquidity(Melt(Me

4、ltFlowIndex)(theelectricalpropertiesoftheelectricalpropertiesofElectrical(ElectricalProperties(Rockwell)RockwellRockwellhardness(RockwellHardness)theproportionofSpecific(SpecificGravity)(theproportionofmoldshrinkage(Moldmoldshrinkagerate(MoldShrinkage)Tensilepro

5、perties(TensileProperties)Properties)tensileproperties(Inordertodeterminethebasicpropertiesofthepolymermaterials,appliedtothematerialstress,inordertodeterminationofpropertiesofpolymermaterials,appliedtothematerialstress,deformationmeasure,calculatestress,stresss

6、traincurveisthemostcommonmethod.Shape,stress,stressandstraincurveisthemostcommonmethod.Theendsofthesplinearefixedwiththeappliance,theaxialtensileloadisapplied,theapparatusisfixedandtheaxialtensileloadisapplied,untilthestressanddistortionarecalculated,whichistens

7、iletest.Thecalculationmethodistensiletest.Tensilestress:tensilestress:sigma=F/Aelongation:elongation=epsilon=L/Lx100%xTensilestress-straincurvesofplasticmaterialsCalculationoftensilestressandstrainTensilestress(TensileStress):themagnitudeofthetensileforceapplied

8、totheunitareabeforethespecimenisdeformed.Tensilestress:themagnitudeofthetensileforceappliedtotheunitareabeforethespecimenisdeformed.(TensileStrain):elongationchangete