Positron annihilation lifetime study of shear deformation and aging of epoxy glasses

Peter H. Mott, Gregory B. McKenna

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

A positron annihilation lifetime spectrometer has been built to study the effects of shear strain and physical aging on the unoccupied volume in DGEBA/PPO glassy epoxy. Lifetime spectra were obtained in situ for a sample deformed in simple shear. Preliminary results on the effects of aging, temperature, and shear deformation on the τ3 lifetime of positrons are reported.

Original languageEnglish
Title of host publicationUse of Plastics and Plastic Composites
Subtitle of host publicationMaterials and Mechanics Issues
EditorsM. Ramulu, R. Komanduri
PublisherPubl by ASME
Pages261-272
Number of pages12
ISBN (Print)0791812529
StatePublished - 1993
EventProceedings of the 1993 ASME Winter Annual Meeting - New Orleans, LA, USA
Duration: Nov 28 1993Dec 3 1993

Publication series

NameAmerican Society of Mechanical Engineers, Materials Division (Publication) MD
Volume46

Conference

ConferenceProceedings of the 1993 ASME Winter Annual Meeting
CityNew Orleans, LA, USA
Period11/28/9312/3/93

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