NRL Scientists Recognized at ASM International Conference

12/22/2004 - 65-04r
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Several Naval Research Laboratory scientists received recognition at the recent ASM International Materials Solutions Conference in Columbus, Ohio. Dr. Bhakta Rath, Associate Director of Research for NRL's Materials Science and Component Technology Directorate, received the 2004 ASM Gold Medal for his "outstanding contributions in solid-state transformations, microstructure-property relationships and for visionary leadership in directing leading-edge research for national security." In addition, Dr. Rath was installed as president of the society for 2004-2005.

Dr. George Spanos and Dr. Khershed P. Cooper, metallurgists in NRL's Materials Science and Technology Division, were named as Fellows of ASM International. ASM International bestows the honor of Fellow in recognition of distinguished contributions in the field of materials science and engineering. Being selected as a Fellow is a prestigious recognition; only a select number of ASM International's members become Fellows. The Fellows are chosen from among the members based truly on their merit and the significance of their contributions.

Dr. Spanos was recognized "for benchmark contributions to three-dimensional analysis of microstructural evolution during solid-state transformation." Dr. Spanos came to work at NRL in 1989 in the Materials Science and Technology Division. He currently heads the Joining and Transformations Section in that division. In addition to his work at NRL, he worked in a part-time capacity as a program officer at the Office of Naval Research in 1996 and 1997.

Dr. Spanos's research interests are centered on investigations of solid state phase transformations, overall microstructural evolution, and processing-microstructure-property correlations in a number of different materials systems. His research employs a variety of techniques including advanced computer-aided three-dimensional reconstruction and quantification methods, transmission electron microscopy (TEM), Electron Backscatter Diffraction (EBSD) analyses, optical microscopy, scanning electron microscopy, and computer modeling of phase transformations. Investigations include: (1) three-dimensional reconstruction and quantitative analysis of microstructures using serial sectioning in conjunction with EBSD and advanced computer visualization and quantification techniques, (2) processing-microstructure-property correlations in advanced high strength, high toughness naval steels and weldments used in surface ship and submarine construction, (3) microstructural evolution in thin films and multilayer systems including giant magneto-resistive "spin valves" for use in computer memory applications, ferro-magnetic semiconductors, and superconducting tapes for motor applications, (4) development of continuous-cooling-transformation (CCT) diagrams for new ultra low carbon weld consumables being developed by the U.S. Navy, and (5) numerical/computer modeling of the diffusional growth of precipitate phases during solid-solid phase transformations.

Dr. Spanos received his B.S., his M.E., and his Ph.D. degrees in Metallurgical Engineering and Materials Science, all from Carnegie Mellon University. He received the NRL's Alan Berman Research Publications Award in 1994, 2000, and 2003, and an NRL Technology Transfer Award in 2000. Dr. Spanos was a visiting researcher at Risoe National Laboratories in Denmark in 2003 and at the University of Canterbury in New Zealand in 1999 and 2004. In 2003, Dr. Spanos was selected to give The Minerals, Metals, and Materials Society Young Leader Tutorial Lecture, and in 2001 he and Dr. Richard Fonda received ASM's Marcus A. Grossman Award for best article published in Metallurgical and Materials Transactions for authors under 40.

Dr. Cooper was recognized "for outstanding contributions to the fields of solidification processing and liquid metal atomization." Dr. Cooper came to work at NRL in 1984, as a contractor employed by Geo-Center, Inc. In 1990, he became a federal employee working in the Materials Science and Technology Division. In addition to his responsibilities at NRL, he has also served as a Program Office Detailee for the Office of Naval Research since 1998. Prior to coming to NRL, he worked for the Olin Metal Research Laboratory in New Haven, Connecticut.

Dr. Cooper's current research work involves understanding the nanoimprinting process, developing novel fabrication routes for superconducting materials, characterizing solid freeform fabrication products and analyzing rail gun materials and performance.

Dr. Cooper received his B. Tech. Degree in Metallurgical Engineering from the Indian Institute of Technology in Bombay, India. He then received his M.S. and Ph. D. degrees, also in Metallurgical Engineering, from the University of Wisconsin, Madison, WI. Dr. Cooper received the Outstanding Young Member Award from ASM International in 1988-89, the Alan Berman Annual Research Publication Award in 1991, an NRL Invention Award in 1996, a Science-as-Art Award in 1998, a Best Paper Award from the International Metallographic Society in 1998, the George Kimball Burgess Memorial Award from ASM International in 2001 and an NRL Invention Award in 2004. Dr. Cooper holds three patents, has published 70 papers and given 35 invited presentations. He is a member of ASM International, The Minerals, Metals, Materials Society-AIME and the Sigma Xi Society.

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