Morphological, Electrical, and Mechanical Characterization of a Sustainable Three-Phase Composite Based on Natural Rubber, Leather Residue, and PZT Particles. Research, Society and Development, [S. l.], v. 14, n. 10, p. e164141049793, 2025. DOI: 10.33448/rsd-v14i10.49793. Disponível em: https://www.rsdjournal.org/rsd/article/view/49793. Acesso em: 9 dec. 2025.