Spark plasma sintering of CNT-NiAl nanocomposites – Process parameter, densification mechanism, and grain analysisOlusoji Oluremi Ayodele, Mary Ajimegoh Awotunde, Bukola Joseph Babalola and Peter Apata OlubambiManufacturing Rev., 8 (2021) 25DOI: https://doi.org/10.1051/mfreview/2021023