Thermomechanical behavior of three dimensionally printed fabric structures

Author:

Jayswal Ajay1ORCID,Mailen Russell W.2,Liu Jia (Peter)34,Harris Gregory34,Siwakoti Midhan2,Adanur Sabit1ORCID

Affiliation:

1. Department of Mechanical Engineering Auburn University Auburn Alabama 36849 USA

2. Department of Aerospace Engineering Auburn University Auburn Alabama 36849 USA

3. Department of Industrial and Systems Engineering Auburn University Auburn Alabama 36849 USA

4. Interdisciplinary Center for Advanced Manufacturing Systems (ICAMS) Auburn University Auburn Alabama 36849 USA

Abstract

AbstractAdditive manufacturing of fabrics is an emerging research topic with potential applications in several industries including high performance wearable products and high‐temperature textiles. Therefore, thermal, mechanical, and viscoelastic properties of such fabrics need to be determined. In this research, the thermomechanical behavior of additively manufactured plain weave fabrics at and above glass transition temperature ( is studied. The time‐dependent mechanical response using a viscoelastic material model is represented by a Prony series as a function of frequency (f). Unit cells of plain weave fabrics are additively manufactured using poly(lactic) acid (PLA). Tensile and compression tests were performed on unit cells in a thermal environment using dynamic mechanical analysis (DMA). A multiphysics finite element model is implemented to duplicate the experimental setup. The experimental results are compared with that of computational results. The relative error percentages in the peak forces at each temperature are 23.60% at 60°C, −8.85% at 65°C, and −6.25% at 70°C. A better agreement in peak forces is seen for unit cells above Tg. The computational model developed for unit cells is used to predict the thermomechanical‐viscoelastic response of large additively manufactured fabric structures which is difficult to evaluate experimentally.

Publisher

Wiley

Subject

Materials Chemistry,Polymers and Plastics,General Chemistry,Materials Chemistry,Polymers and Plastics,General Chemistry

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