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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/221714
Observation of heterogeneities in elastocaloric natural/wastes rubber composites.
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The strain-induced crystallization and elastocaloric properties of various natural rubber (NR)/ground tire rubber (GTR) blends, comprising waste particles of diverse sizes and contents, were investigated. The decreasing inter-distance between particles in conjunction with their increasing content as studied by micro-computed tomography (μCT) as well as the inter-melling between GTR and NR matrix were observed. It resulted in a strain localization in the NR matrix at the GTR and NR interface at the origin of mechanical reinforcement upon tensile deformation. In addition, GTR particles were found to show a nucleating ability on strain-induced crystallization (SIC) and elastocaloric properties independently of the particle size. The strain localization was found to relate to a localization of the temperature field, suggesting localization of the elastocaloric effect in NR/GTR blends. The evidence of such heterogeneities would be of interest for the proper design of elastocaloric waste-based rubber composites for heating/cooling applications.
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CANDAU, Nicolas, et al. Observation of heterogeneities in elastocaloric natural/wastes rubber composites. Express Polymer Letters. 2022. Vol. 16, num. 12, pags. 1331-1347. ISSN 1788-618X. [consulted: 6 of June of 2026]. Available at: https://hdl.handle.net/2445/221714