Biaxial deformation behaviour of poly-ether-ether-ketone

Research output: Contribution to conferencePaperpeer-review


The biaxial tensile properties of thin poly-ether-ether-ketone (PEEK) films are presented. Investigation into the biaxial mechanical behaviour of PEEK films will provide a preliminary insight into the anticipated stress/strain response, and potential suitability, to the possible fabrication of thin walled parts through stretch blow moulding and thermoforming processes – with the multi-axial state of strain imposed onto the heated thermoplastic sheet representative of the expected strain history experienced during these material forming processes. Following identification of the prospective forming temperature window, the biaxial mechanical behaviour of the material is characterized under differing modes of deformation, at a nominal strain rate of 1 s−1. The temperature dependence is outlined within – with an appreciable increase in flow behaviour correlated with specimen temperature exceeding its glass transition temperature (Tg).
Original languageEnglish
Pages120021-1 to 120021-6
Number of pages6
Publication statusPublished - 07 May 2018
EventESAFORM 2018: European Scientific Association for Material Forming - Italy, Palermo, Italy
Duration: 23 Apr 201825 Apr 2018


ConferenceESAFORM 2018
Internet address


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