Materials selection as an interdisciplinary technical activity: basic methodology and case studies

The technical activity known as Materials Selection is reviewed in its concepts and methodologies. Objectives and strategies are briefly presented and two important features are introduced and discussed; (i) Merit Indices: a combination of materials properties, which maximises the objectives chosen...

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Bibliographic Details
Published in:Materials research (São Carlos, São Paulo, Brazil) São Paulo, Brazil), 2000-04, Vol.3 (2), p.1-9
Main Authors: Ferrante, M., Santos, S.F., Castro, J.F.R. de
Format: Article
Language:English
Subjects:
design
ENGINEERING, CHEMICAL
MATERIALS SCIENCE, MULTIDISCIPLINARY
materials selection
merit indices
METALLURGY & METALLURGICAL ENGINEERING
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Summary:The technical activity known as Materials Selection is reviewed in its concepts and methodologies. Objectives and strategies are briefly presented and two important features are introduced and discussed; (i) Merit Indices: a combination of materials properties, which maximises the objectives chosen by the designer and (ii) Materials Properties Maps: a bi-dimensional space whose coordinates are pairs of properties in which materials can be plotted and compared directly in terms of their merit indices. A general strategy for the deduction of these indices is explained and a formal methodology to establish a ranking of candidate materials when multiple constraints intervene is presented. Finally, two case studies are discussed in depth, one related to materials substitution in the context of mechanical design and a less conventional case linking material selection to physical comfort in the home furniture industry.
ISSN:1516-1439
1980-5373
1516-1439
DOI:10.1590/S1516-14392000000200002