Wongpinij, T, P Wongpanya, C Euaruksakul, P Photongkam, and N Witit-anun. “Corrosion Behavior of TiAlN Film on AISI 4140 Steel”. Journal of Metals, Materials and Minerals 23, no. 2 (January 3, 2014). Accessed November 27, 2021. http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/91.