Thammachot, N., Nachaisit, P., Homjabok, W., Peeratatsuwan, C., Mayai, A. and Nithikarnjanatharn, J. 2016. The effects of energizer, carburizing temperature and time on the mechanical properties of hardened big knives in a pack carburizing process. Engineering and Applied Science Research. 43, 4 (Oct. 2016), 172–177.