摘要
Residualstressinducedduringmanufacturingofinjectionmoldedcomponentssuchaspolymethylmethacrylate(PMMA)affectsthemechanicalandopticalpropertiesofthesecomponents.Theseresidualstressescanbevisualizedandquantifiedbymeasuringtheirbirefringence.Inthispaper,alowbirefringencepolariscope(LBP)isusedtomeasurethewhole-fieldresidualstressdistributionoftheseinjectionmoldedspecimens.Detailedanalyticalandexperimentalstudyisconductedtoquantifytheresidualstressmeasurementinthesematerials.Acommercialbirefringencemeasurementsystemwasusedtovalidatetheresultsobtainedtoourmeasurementsystem.Thisstudycanhelpinmaterialdiagnosisforqualityandmanufacturingpurposeandbeusefulforunderstandingofresidualstressinimagingorotherapplications.
出版日期
2016年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)