Materials science and technology VII : selected peer reviewed papers from the 7th international conference on materials science and technology , June 7-8, 2012, Bangkok, Thailand / by Materials Science & Technology Conference (7th : 2012 : Bangkok, Thailand), Pearce, John T. Harry, editor, Benyajati, Chi-Na, editor, Otarawanna, Somboon, editor, Yoriya, Sorachon, editor