Timeline of materials technology BC • 29‚000–25‚000 BC – First pottery appears • 3rd millennium BC – Copper metallurgy is invented and copper is used for ornamentation • 2nd millennium BC – Bronze is used for weapons and armour • 16th century BC – The Hittites develop crude iron metallurgy • 13th century BC – Invention of steel when iron and charcoal are combined properly • 10th century BC – Glass production begins in ancient Near East • 1st millennium BC – Pewter beginning to be used in
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Transforming the Materials Economy Written by Alex Nicoll (http://www.newgreeneconomy.com) The Materials Economy The Materials Economy has been the driving force behind U.S. economics since the Second World War. The name refers to the raw materials from which its products are made. The marketing and sale of these products is what keeps the Materials Economy in motion‚ while exhausting natural resources and generating incalculable amounts of waste. Consumer products manufactured and sold in
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Site Planning and building form are very important from the point of view of seismic performance of the structure. Also it is very important to have proper compatibility of elements resisting seismic forces. Site Planning and selection of building forms is the first step in designing of any structure and the decisions taken are very crucial for the behaviour of those structures during any earthquake. Based on examples taken from various past earthquakes and theories this chapter gives guidelines
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Photosensitive materials (x-ray films) are used to record the invisible x-ray image. It is required to reproduce all the characteristics of the invisible image in visible form .The films ability to do so depends on its sensitometric properties. Sensitometer: Measures films sensitivity to light; shows the range of densities on an image. Sensitometry:- The scientific study of the response of photosensitive material to different levels of exposure. How is it done? Producing a sensitometric strip
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28 Oct‚ 2013 Material Wealth over Emotional Health Snow white has many different versions of it written‚ most of which display a great story of a young girls development. Although each tale is based upon the same topic‚ the process by which the girl learns and develops varies from each tail. As in Lasair Ghueg‚ The King of Ireland ’s Daughter‚ the young girl has a distant relationship to her parents and is constantly colliding with her step mom. Many younger kids and even adults are in this same
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Engineering Materials Msc. Shaymaa Mahmood Introduction to Eng. Materials : Since the earliest days of the evolution of mankind ‚ the main distinguishing features between human begins and other mammals has been the ability to use and develop materials to satisfy our human requirements. Nowadays we use many types of materials‚ fashioned in many different ways‚ to satisfy our requirements for housing‚ heating‚ furniture‚ clothes‚ transportation‚ entertainment‚ medical care‚ defense and all the
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PLANNING Thinking and looking ahead Process of establishing objectives and appropriate courses of action before taking action Why plan? To be: a. EFFECTIVE – being able to realize the objectives - “doing the right thing” b. EFFICIENT – being able to spend the least amount of resources in realizing the objective - “doing things right” TYPES OF PLANS: 1. Strategic Plan - focused on the entire organization - top management formulates the objectives
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Lecture based on Materials (Book: The science of strong materials‚ Penguin Publishers.) The aeronautical journal (Library can order for you)‚ one article written in 1996‚ by Peal‚ I.J.Mocolm. Ceramic Science‚ pg 123-131. (Relevant to exam) There are two key reasons for using thermoplastic composites: * save time & handling costs in production * eliminate labour-intensive riveting & bonding * can produce large profile sections that are some 20 % lighter than metal &
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Adapting materials Adoption Concerns with whole course books. Adaptation Concerns the parts that make up that whole. A process of matching To maximize the appropriacy of teaching materials in context. Evaluation for adapting materials An exercise to help to develop insights into different views of language and learning into the principle of materials design. Process of adaptation -Internal factors (what the material offers) Content Organization consistency Choice of topics
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Title: “The Material World” General Purpose: To inform. Specific Purpose: To inform the audience of what materialism is and the impact it has on society. Design: Topical Introduction Attention Getter How many people do we all know who want to be rich? I know I do‚ but does money actually do for us? B.C. Forbes once said‚ “The be-all and end-all of life should not be to get rich‚ but to enrich the world.” Adapt to Self I’m aware I’m not the biggest saint when it comes to spending‚ so I
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