Evaluation of alumina reinforced oil fly ash composites prepared by spark plasma sintering. - Ali, Sadaqat; Ahmed, Bilal Anjum; Irshad, Hafiz Muzammil; Bakare, Akolade Idris; Hakeem, Abbas Saeed; Qamaruddin, Muhammad; Ehsan, Muhammad Ali; Ali, Sameer; Azam, Muhammad Umar (International Journal of Applied Ceramic Technology, 2020)