03~chapter 03

03~chapter 03 - Materials engineering science processing and design 2nd edition Copyright(c)2010 Michael Ashby Hugh Shercliff David Cebon

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Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon
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Design-led Approach for Selecting Materials and Processes Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon Product Design Selection of materials and processes runs parallel with design process
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Original Design New idea or working principle New material may suggest a new product New product may require a new material Market need is put in terms of a need statement – “Device is required to perform task X” Product specification – detailed plan for new design Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon
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Design Process Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon Figure 3.1 Three design stages between identifying the market need and developing a product specification Information about materials is needed at each stage, but at very different levels of breadth and precision
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Redesign Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon Improving a current design while keeping the working principle on which it operates and many of its components Why? Product recall Poor value for money Inadequate profit margin Stay ahead of the competition
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Design Process – Concept Stage Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon Figure 3.2 Need Statement: A device is required to allow access to wine in a corked bottle with convenience, at modest cost, and without contaminating the wine Three concepts: Remove by axial traction (a); remove by torsional traction (b); push it out from below (c)
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Embodiment and Detail Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon
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This note was uploaded on 02/15/2012 for the course MASC 310 taught by Professor Nutt during the Fall '08 term at USC.

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03~chapter 03 - Materials engineering science processing and design 2nd edition Copyright(c)2010 Michael Ashby Hugh Shercliff David Cebon

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