By H. Gleiter (auth.), Prof. Dr. Wolfgang G. J. Bunk (eds.)
Engineering fabrics are customarily used for buildings. consequently high-strength, stiffness and adequate durability are of best significance. for a very long time engineers idea first when it comes to metals. Ma terial scientists constructed alloys adapted to the desires of in dustry. Ceramics are recognized to be brittle and for that reason no longer appropriate within the first position for structural software lower than pressure. Polymers with their low modulus turned beautiful whilst rein compelled with high-strength fibres. Composites processed via poly mer, steel or ceramic matrices and high-strength reinforcements were brought into many sectors of undefined. Engineering fabrics for structural purposes fulfil a functionality: they face up to excessive stresses, temperatures, fatigue, creep and so forth. yet often we don't name them practical fabrics. useful fabric serve functions except classical engineering fields. electrical energy engaging in fabrics, semi conductors, reminiscence alloys and others are referred to as sensible fabrics. either different types of fabrics structural and practical - disguise the features of the DLR-Seminar 1991 on "Advanced structural and sensible materials". in examine and The seminar is concentrated on complicated fabrics improvement or on the fringe of being brought into the industry. twin personality: choice used to be given to fabrics with a structural and practical, a few of them extra structural, a few extra useful of their power. It was once essential to pick out ordinary and consultant households of throughout the years by way of R + D actions a bit of matured mate rials. It used to be now not meant to hide all attainable ideas in a half-days seminar.
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Additional resources for Advanced Structural and Functional Materials: Proceedings of an International Seminar Organized by Deutsche Forschungsanstalt für Luft- und Raumfahrt (DLR), Köln, June 1991
A second aspect concerns the range of properties that must be considered in assessing the suitability of a material for an application. Much of the materials development has been steered by attention to a narrow set of properties. The initial choice of materials Al203, SbN4, SiC, Zr02, AlN ... - of course makes reference to a wider property set thermal expansion, conductivity, high temperature stability ... - which has been used in materials selection. The progress in developing the material is, however, often linked to some single parameter such as strength which can then be used as a measure for improvements in processing skills.
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