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Data de publicació

2022-12

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cc-by-nc-nd (c) Budapest University of Technology and Economics, 2022
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/221714

Observation of heterogeneities in elastocaloric natural/wastes rubber composites.

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Recurs relacionat

https://doi.org/10.3144/expresspolymlett.2022.96

Resum

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.

Matèries

Elasticitat, Cristal·lització, Cautxú

Matèries (anglès)

Elasticity, Crystallization, Rubber

Citació

Col·leccions

Articles publicats en revistes (Física de la Matèria Condensada)
Articles publicats en revistes (Ciència dels Materials i Química Física)

Citació

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: 18 of August of 2026]. Available at: https://hdl.handle.net/2445/221714

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