ONYEMELIKEYA IFEOMA BLESSING; OKIGBO NONSO EMMANUEL; NWUMEH ONYEKA FRANCIS. Effect of Austempering Process Parameters on the Mechanical Properties of Mild Steel Quenched in a Mixture of Used Engine Oil and Ash. Journal of Systematic, Evaluation and Diversity Engineering, Nigeria, v. 5, n. 5, 2024. Disponível em: https://africanscholarpub.com/ajsede/article/view/372.. Acesso em: 11 nov. 2026.