Up Close: Materials Research at Carnegie Mellon
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S. Mahajan and G.C. Berry
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Editor's Note: This is the fifth article in a series focusing on the research capabilities and goals of interdisciplinary laboratories pursuing materials research in universities, industry, and government.
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Materials research is a long-standing tradition at Carnegie Mellon. Since its in^ ception as Carnegie Technical Schools in 1906, the metallurgy program has neurit ished on the campus. Evolving from a single d e p a r t m e n t i n v o l v e d in m e t a l s -4 research formed in 1906, leading-edge, int e r d i s c i p l i n a r y m a t e r i a l s r e s e a r c h has "4 grown considerably, with materials-rea lated research now carried out in many departments. These include Chemical Engineering, Chemistry, Civil Engineering, Electrical a n d C o m p u t e r E n g i n e e r i n g . (ECE), M a t h e m a t i c s , Mechanical Engineering, Physics, and Mellon Institute (an -» affiliate of the University), and, of course, Metallurgical Engineering and Materials ^ Science (MEMS). It is beyond the scope of this article to cover every aspect of materials-related research at Carnegie Mellon. Consequently, we have decided to concentrate on materials and topics of particuI lar interest to MRS members. The current research pertaining to mate»- rials at Carnegie Mellon can be broadly classified by material type into three cate• gories: metals and alloys, polymers, and electronic and magnetic materials.
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Metals and Alloys * The major thrust on research in metals a and alloys is in MEMS. In addition, there are a number of complementary efforts in _,• Chemical Engineering and Mechanical Engineering. For example, Prof. Sides of • Chemical Engineering is evaluating electrolytic extraction of aluminum from its •-ores, while Professors Prinz, Sinclair, Steif, Swedlow, and Wright of Mechanical Engineering are examining the macro. scopic flow behavior of metals and alloys and its relevance in manufacturing engi__. neering. Prof. Prinz is also interested in vibratory compaction of metal powders, «, both from e x p e r i m e n t a l a n d m o d e l i n g points of view. ""• Research programs in metals and alloys in MEMS can be s u b d i v i d e d into four "^ thrust areas: chemical metallurgy, structure-mechanical properties correlations, phase transformations, and surfaces and ^ interfaces. In chemical metallurgy, a strong emphaA sis is on the physical chemistry of steelmaking. This effort is directed by Prof. A Fruehan, who also heads the National Science F o u n d a t i o n s p o n s o r e d Center for Iron and Steel Research. The center has liaison with 15 to 16 industrial companies. Prof. C r a m b , w h o r e c e n t l y j o i n e d
Carnegie Mellon from Bethlehem Steel, plans to broaden the center's research efforts and intends to initiate a program on continuous casting of molten metals. Prof. Henein is also associated with CISR and has, in addition, interest in process modeling and expert systems for materials proc e s s i n g . T h e latter b u i l d s on e x i s t i n g strengths in the Depa
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