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Science 29 August 1997:
Vol. 277. no. 5330, pp. 1237 - 1242
DOI: 10.1126/science.277.5330.1237
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Articles

Computational Design of Hierarchically Structured Materials

G. B. Olson

A systems approach that integrates processing, structure, property, and performance relations has been used in the conceptual design of multilevel-structured materials. For high-performance alloy steels, numerical implementation of materials science principles provides a hierarchy of computational models defining subsystem design parameters that are integrated, through computational thermodynamics, in the comprehensive design of materials as interactive systems. Designed properties combine strength, toughness, and resistance to impurity embrittlement. The methods have also been applied to nonferrous metals, ceramics, and polymers.

The author is in the Department of Materials Science and Engineering, Northwestern University, 2225 North Campus Drive, Evanston, IL 60208-3108, USA.

Volume 277, Number 5330, Issue of 29 August 1997, pp. 1237-1242
©1997 by The American Association for the Advancement of Science.

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