Acchar, Wilson Henrique, Paulo Henrique Chibério, and Marcello Filgueira. “Alumina-NbC Composites Fabricated by Spark Plasma Sintering”. Revista Principia 1, no. 56 (December 8, 2021): 203–211. Accessed November 5, 2026. https://periodicos.ifpb.edu.br/index.php/principia/article/view/4685.