1. Polytechnic School of Engineering of the University of Sao Paulo, Dept. of Mechatronics & Mechanical Systems Engineering, Av. Prof. Mello Moraes; 2231 SAO PAULO, CEP 05508-030 BRAZIL
2. Institute Clément Ader, Group Tool Materials Machining and Surface, Ecole des Mines d'Albi, Campus Jarlard; 81013 ALBI CEDEX 09 FRANCE
3. Kagawa University, Kagawa, Faculty of Engineering, Division of Advanced Materials Science, 2217-20 Hayashi-cho, Takamatsu; KAGAWA 761-0396 JAPAN