Dr. Tim Foecke Metallurgy Division Room B254 Matls. Bldg. NIST Gaithersburg, MD 20899 USA Tel: 301 975 6592 Fax: 301 975 4553 Email: [email protected]Dr. Robb Thomson Materials Science and Engineering Laboratory Room B307 Matls. Bldg. NIST Gaithersburg, MD 20899 USA Tel: 301 975 5665 fax: 301 926 8349 Email: [email protected]