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Design for sustainability: introductory guide Ryan Mott 2013-2014 Independent research Advisor: Dr. C. M. Archibald
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Guide objectives Guide topics Guide Evaluation Conclusions Goal: improve undergraduate mechanical engineers’ understanding of Design for Sustainability, particularly material and process selection. Overview
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Research Background Materials and the Environment - Michael F. Ashby Life Cycle Analysis Life Cycle Engineering Decision Matrix Plastics recycling Guide objectives
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CES Guide from Granta Design Procedures taught: Material research Materials selection Eco Audit Guide objectives
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Define and defend sustainability Review industry’s impacts Resource consumption Energy Materials Emissions Human health Pollution Waste management Guide topics
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Materials Selection Process Identifying dominant environmental impact Identifying dominant life cycle phase: Material Process Transport Use Disposal End of life Side note: optimal lifespan Guide topics
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Design constraints and objectives Research top candidates Eco Audit Life Cycle Analysis (LCA) strategy Exercises in Granta Design guide. Guide topics
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Materials Selection: Multiobjective Optimization Decision Matrix Description, example: Many objectives, fewer choices Guide topics
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Material Property Charts Many choices, few objectives Guide topics
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Material Property Charts (continued) Tradeoff surface Exchange constant Penalty function Scaling laws Guide topics Material Family overviews
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Guide to Sustainable Materials Selection, evaluation: The objective of this guide is to be used in conjunction with the Getting Started with CES EduPack guide from Granta Design to familiarize undergraduates in mechanical engineering with the principles of sustainable materials selection and with the use of CES Edu Eco Audit and materials selection tools. This guide should prepare students for exercises in materials selection and Eco Audits such as Selection Homework 2 in MECE 210. Please indicate strength/weakness of guide in each category with a score from 0-5 (0 for prohibitively poor to 5 for excellent) CategoryScore Guide provides… awareness of environmental impacts of material choices awareness of impacts of entire life cycle of product instruction in the materials selection process such as used with CES Edu instruction in product sustainability analysis such as CES Edu Eco Audit instruction in weighing multiple objectives using material property charts Additional qualities… Clarity of content Relevance of content to materials selection and sustainability analysis with CES Edu Organization of content (logical flow, easy to locate relevant information) Completeness of content Informative examples and illustrations Specific procedure instructions Integrates well with exercises and illustrations in the Getting Sarted with CES guide Guide evaluation
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Category Mean Score awareness of environmental impacts of material choices awareness of impacts of entire life cycle of product instruction in the materials selection process such as used with CES Edu instruction in product sustainability analysis such as CES Edu Eco Audit instruction in weighing multiple objectives using material property charts Clarity of content Relevance of content to materials selection and sustainability analysis with CES Organization of content (logical flow, easy to locate relevant information) Completeness of content Informative examples and illustrations Specific procedure instructions Integrates well with exercises and illustrations in Getting Started with CES guide Guide evaluation
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Conclusions
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Goal: improve undergraduate mechanical engineers’ understanding of Design for Sustainability, particularly material and process selection. Life cycle energy of 2014 HPVC entry, compared to steel equivalent. - No section on sustainable manufacturing in Design for Manufacturability Guide objectives
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