A Guide to Elongation at Break & Tensile Strength | PolyGlobal

Elongation at break is the measure of a materials ductility. ... Tensile strength is commonly measured in units of pounds per square inch ... Navigation Home AboutUs QualityAssurance Wehavealwayshadaninherentfocusonquality,notonlyin... EnvironmentalPolicy AtPolyGlobalourcommitmenttoresponsibleenvironmentalac... PolyGlobalintheCommunity AtPolyGlobalwerecognisetheimportanceofcommunityinvol... Memberships&Awards Industrymemberships&subscriptions... FAQs Frequentlyaskedquestionsaboutourproductsandservices.... Moulding InjectionMoulding InjectionMouldingisprimarilyusedtomanufacturelargeba... CastMoulding PolyGlobal’scastmouldingdepartmentallowslargerandhe... Toolmaking Toolmaking Wehaveover30yearsofexperienceintoolmaking.Our... Sectors&Services Seals PolyGobal’ssealingsolutionsareindustryrecognisedfrom... AggregateProcessing Bespokesolutionstohelpprepare,refineandtransformmate... ManufacturingComponents Costeffectivesolutions,flexibleindesignandresultinl... Offshore Solutionsfordynamicusesaswellasseabedcableprotector... BespokeMouldedComponents PolyGlobalisconstantlyinvolvedinproducingbespokeprodu... TechnicalParts Ourbespokecomponentsoftenrequirespecifictechnicalprop... CaseStudies Resources StandardProducts PolyurethaneRods,PolyurethaneTubes,PolyurethaneBlocksa... ChemicalResistance Browseourchemicalresistancetable... Materials Ourexperience,designsoftwareandproductiontechnologyal... Colours Browsesomeofourcastandinjectioncolouroptions... ShoreHardnessGuide PolyGlobaloffersarangeofmaterialoptionswithabroadh... GlobalDistribution PolyGlobalservesindustriesacrosstheworldandutilisesa... InjectionMouldingGlossary A-ZofInjectionMouldingTerms... News Contact      AGuidetoElongationatBreak&TensileStrength Postedon:11thOct2018 PolyGlobal,abespokeengineeringcompanyspecialisingintheinjectionandcastmouldingofengineeringplastics,designandmanufacturesolutionsthatareutilisedinadiverserangeofindustriesacrosstheworld.Eachsolutionhasitsownspecificrequirementsinordertooperateeffectivelyinwidelyvaryingenvironmentsandconditions. Thetechnicalandmechanicalpropertiesandperformanceofengineeringplasticsarecrucialconsiderationsinthematerialselectionprocess.Materialtestingprovidesaninsightintohowthemechanicalpropertiesofamaterialcanbeaffectedunderdifferentstressesandpressures . TensileTesting Tensiletestingofmaterialsprovidesinformationaboutthestrengthandductilityofamaterial.Itisadestructivetestprocessthatdemonstrateshowmuchforceamaterialcanwithstandbeforefailure. TwokeymeasurementsdeterminedfromtensiletestingareElongationatBreakandTensileStrength: ElongationatBreak Elongationatbreakisthemeasureofamaterialsductility.Thismeasurementshowshowmuchamaterialcanbestretched,asapercentageofitsoriginaldimensions,beforeitbreaks.Itindicatestheabilityofamaterialtoundergosignificantdeformationbeforefailure. Materialswithahigherelongationatbreakpercentagehavehigherductility. Highductilityindicatesthatamaterialwillbemorelikelytodeformandnotbreak,whereaslowductilityindicatesthatamaterialisbrittleandwillfracturebeforedeformingmuchunderatensileload. Theductilityofamaterialdependslargelyonitschemicalcompositionandisakeyconsiderationparticularlywhenselectingmaterialssubjectedtoextremecold. TensileStrength Thetensilestrengthofamaterialisthemaximumamountoftensile(pulling)stressthatitcantakebeforefailure,suchasbreakingorpermanentdeformation. Whenstresseslessthanthetensilestrengthareremovedamaterialwillreturneithercompletelyorpartiallytoitsoriginalshapeandsize.Asthestressreachesorpassesthetensilestrengthpoint,theintegrityofthematerialiscompromisedandfracturescanoccur. Tensilestrengthiscommonlymeasuredinunitsofpoundspersquareinch(psi) PolyGlobalunderstandtheeverchangingdemandsofthemarketstheysupplyintoandtheincreasingneedforproducttesting. TheyaresettolaunchapartnershipwithBradfordUniversity’sPolymerInterdisciplinaryResearchCentretoundertakeaseriesofmaterialtestingprojects.ThisdevelopingcollaborationwillenablePolyGlobaltoprovidebothexistingandnewcustomerswithenhancedtechnicalandproductperformancedata. PolyGlobalalreadyhaveanumberofMaterialTechnicalDataSheetsontheirwebsite FormoreinformationorhelpwithanyenquiriespleasecontactPolyGlobalviamarketing@polyglobal.co.uk Followuson: BacktoNews