1. Materials Science and Technology Division Oak Ridge National Laboratory 1 Bethel Valley Rd. Oak Ridge TN 37831‐6056 USA
2. Aerospace Systems Directorate Air Force Research Laboratory 1950 Fifth St., Building 18 Wright‐Patterson Air Force Base OH 45433 USA
3. UES, Inc. 4401 Dayton Xenia Rd. Beavercreek OH 45432 USA
4. Center for Nanophase Materials Science Oak Ridge National Laboratory 1 Bethel Valley Rd. Oak Ridge TN 37831‐6487