Lecture 7 - ENGR 4250 Advanced Materials Engineering...

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ENGR 4250 – Advanced Materials Engineering Lecture 7 Material Selection Dr. A. Keshavarz - ENGR 4250U
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Case Study – Beam of a given stiffness with minimum weight = δ For square cross-section Ashby: 2005 Dr. A. Keshavarz - ENGR 4250U
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Case Study – Beam of a given stiffness with minimum weight 4 3 4 Et F l = δ For square cross-section ρ 2 lt M = Ashby: 2005 Dr. A. Keshavarz - ENGR 4250U
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Case Study – Beam of a given stiffness with minimum weight 2 / 1 2 2 / 1 5 4 = E F l M ρ δ 2 / 1 2 2 = E M ( ) 2 / 1 2 2 / 1 2 / 1 5 4 = E F l M Ashby: 2005 Dr. A. Keshavarz - ENGR 4250U
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Performance Indices Dr. A. Keshavarz - ENGR 4250U
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IMPORTANT • FUNCTIONAL Requirements • GEOMETRIC Requirements • PERFORMANCE Index – Material Properties Dr. A. Keshavarz - ENGR 4250U
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Case Study – Beam of a given stiffness with minimum cost 2 / 1 2 2 / 1 5 ~ 4 Pr = E p F l ice ρ
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This note was uploaded on 06/02/2011 for the course ECONMICS ECN204 taught by Professor Brenan during the Spring '08 term at Ryerson.

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Lecture 7 - ENGR 4250 Advanced Materials Engineering...

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