KEAWHAN, C.; WONGPANYA, P.; WITIT-ANUN, N.; SONGSIRIRITTHIGUL, P. Corrosion behavior of AISI 4140 steel surface coated by physical vapor deposition. Journal of Metals, Materials and Minerals, Bangkok, Thailand, v. 22, n. 1, 2012. Disponível em: http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/25. Acesso em: 6 dec. 2021.