1. Materials Department University of California Santa Barbara Engineering II Building 1355 Santa Barbara CA 93106 USA
2. MST‐7 Engineered Materials Division of Materials Science and Technology Los Alamos National Laboratory Los Alamos NM 87545 USA
3. Department of Mechanical Engineering University of Hawai'i at Manoa 2540 Dole Street ‐ Holmes Hall Rm 302 Honolulu HI 96822 USA