Eng 45 - Chapter 1 - Structure(10)

Eng 45 - Chapter 1 - Structure(10) - Materials Scien ce...

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Materials Science Fall, 2007 Page 9 be used to accomplish some useful purpose. The selection of suitable materials is an integral part of engineering design. In advanced systems, materials selection is often the critical part of design. The ability to understand and select appropriate materials is an increasingly important part of the qualifications of a competent engineer. The successful engineer of the future will not only understand the material proper- ties that govern the operation of his devices, but will also have some feeling for the ancil- lary material properties that determine their manufacturability and durability. It is not enough to design a device; it must be possible to manufacture it at a reasonable cost, and use it with confidence for an acceptable service life. When almost everything was made of wood, stone or steel, and shape, weight and durability were secondary considerations, the subtleties of materials science could be left to the research laboratories and the materials suppliers. That is no longer the case.
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