2022
DOI: 10.3390/polym14173476
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Inverse Finite Element Approach to Identify the Post-Necking Hardening Behavior of Polyamide 12 under Uniaxial Tension

Abstract: Finite-element (FE) simulations that go beyond the linear elastic limit of materials can aid the development of polymeric products such as stretch blow molded angioplasty balloons. The FE model requires the input of an appropriate elastoplastic material model. Up to the onset of necking, the identification of the hardening curve is well established. Subsequently, additional information such as the cross-section and the triaxial stress state inside the specimen is required. The present study aims to inversely i… Show more

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Cited by 3 publications
(2 citation statements)
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“…The materials used for PTCA balloons significantly affect their characteristics [ 9 ]. Currently, Polyamide 12 and Pebax are widely used in the market to manufacture PTCA balloons [ 10 ]. Trackability, which refers to the force needed to navigate a balloon catheter through a tortuous path to the target lesion [ 11 ], is a crucial indicator for evaluating the performance of PTCA balloons [ 12 , 13 ].…”
Section: Introductionmentioning
confidence: 99%
“…The materials used for PTCA balloons significantly affect their characteristics [ 9 ]. Currently, Polyamide 12 and Pebax are widely used in the market to manufacture PTCA balloons [ 10 ]. Trackability, which refers to the force needed to navigate a balloon catheter through a tortuous path to the target lesion [ 11 ], is a crucial indicator for evaluating the performance of PTCA balloons [ 12 , 13 ].…”
Section: Introductionmentioning
confidence: 99%
“…On the other hand, there are some problems with the SLS method especially with the porous surface and the low printing speed. [12,16] Therefore, SLS technologies are generally used for early-stage rapid prototyping. In recent years has been this technology also used for mass production, provided that the required materials are commonly available and can be produced at a cost that is appropriate for the application [12,13].…”
Section: Introductionmentioning
confidence: 99%