KOREAN JOURNAL OF METALS AND MATERIALS, vol. 49, no. 6, page. 474 - 487, 2011-06
JOURNAL OF THE KOREAN INSTITUTE OF METALS AND MATERIALS, vol. 46, no. 9, page. 563 - 571, 2008-09
METALS AND MATERIALS INTERNATIONAL, vol. 10, no. 6, page. 589 - 603, 2004-12