Mataterial processes and environment

Mataterial processes and environment - MTL 700: Material...

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Material, processes and the environment MTL 700: Material selection Dr. H. Bougherara, Fall 2007 Chap. 20, Materials, Ashby et al., 2007 Chap. 16, Materials selection, Ashby
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Introduction The practice of engineering consumes vast quantities of materials and is dependent on a continuous supply of them Finding ways to use materials more efficiently is a prerequisite for a sustainable future. Design for the environment is the effort to adjust our present product design efforts to correct known, measurable, environmental degradation. Design for sustainability is the longer-term view: that of adaptation to a lifestyle that meets present needs without compromising the needs of future generations.
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Material consumption and its growth
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greenhouse gases Water vapor, carbon dioxide, methane, nitrous oxide, and ozone
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Emission in Canada Did you know? Canada has about 0.5% of the world's population but produces 2% of global Co2 emissions.
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Emission in Canada
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Growth of consumption Most materials are being consumed at a rate that is growing exponentially with time If the current rate of consumption in tones per year is C then exponential growth means that r is the annual growth rate
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This note was uploaded on 01/18/2012 for the course MECH MTL 700 taught by Professor Habiba during the Fall '11 term at Ryerson.

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Mataterial processes and environment - MTL 700: Material...

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