Comparative study of spark plasma sintering features on the densification of Ni-Cr binary alloysB J Babalola, M B Shongwe, B A Obadele, P A Olubambi, O O Ayodele, A L Rominiyi and S O JejeMATEC Web Conf., 249 (2018) 01004DOI: https://doi.org/10.1051/matecconf/201824901004