AAE352-Lecture-Sep-23

AAE352-Lecture-Sep-23 - Introduction to Aerospace...

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AAE 352 1 Introduction to Aerospace Structures and Materials Lecture 14 Choosing the Best Materials Metals, alloys Hybrids, composites Polymers, elastomers Ceramics, glasses
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© MFA and DC 2007 Materials in engineering § Engineers make things. They make them out of materials, using processes. § What do they need to know to do this successfully? A perspective of the world of materials and processes l An ability to select those that best meet requirements of a design l Access to information and tools for comparison and selection l An understanding material properties and their origins
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Goals and sources Introduce students to terminology, structural and materials failure modes and mechanisms used in the aerospace industry for design and product development Introduce students to an on- line materials database that they can use for this and other courses in the future Reading – AAE352 notes - Chapter 5.1-5.3 AAE 352 3 Function Shape Process Material Ample use of two Michael Ashby books. We’ll identify them later
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The influence of materials on technological solutions Example – the vacuum cleaner AAE 352 4
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© MFA and DC 2007 l Each defines a performance metric . Example mass, m we wish to minimize both cost, C Conflicting design objectives Minimizing mass ( sprint bike; satellite components ) Minimizing volume ( mobile phone; minidisk player ) Minimizing environmental impact ( packaging, cars ) Maximizing performance ( speed, acceleration of a car
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This note was uploaded on 01/18/2012 for the course AAE 352 taught by Professor Chen during the Fall '08 term at Purdue.

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AAE352-Lecture-Sep-23 - Introduction to Aerospace...

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