MET 34800 � Engineering Materials Chapter 2

MET 34800 � Engineering Materials Chapter 2 - 1...

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Click to edit Master subtitle style 12/2/10 MET 34800 – Engineering Materials IUPUI ENGINEERING TECHNOLOGY ENT Department
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Click to edit Master subtitle style 12/2/10 Chapter 2 Forming Engineering Materials from Engineering Materials: properties and selection, 9th ed. Kenneth G. Budinski, Michael K. Budinski
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12/2/10 Chapter Goals Upon completion of this chapter, the student should: q have an understanding of how the elements are the building blocks for engineering materials q have a review of basic chemistry, the nature of the atom, and how the elements combine; and the 33
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12/2/10 2.1 The Origin of Engineering Materials q Organic vs inorganic q Elements q Forming engineering materials from the elements q What is important about atoms 44
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12/2/10 2.1 The Origin of Engineering Materials q Figure 2–1 The elements are the building 55
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12/2/10 2.1 The Origin of Engineering Materials q Figure 2–2 Periodic table of the 66
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12/2/10 2.1 The Origin of Engineering Materials q Figure 2–3 The Bohr atom compared 77
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12/2/10 Structure of Atoms ATOM Basic Unit of an Element Diameter : 10 –10 m. Neutrally Charged Nucleus Diameter : 10 –14 m Accounts for almost all mass Positive Charge Electron Cloud Mass : 9.109 x 10 – 28 g Charge : -1.602 x 10 –9 C Accounts for all volume Proton Mass : 1.673 x 10 –24 g Charge : 1.602 x 10 – 19 C Neutron Mass : 1.675 x 10 –24 g Neutral Charge 88
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12/2/10 Atomic Number and Atomic Mass q Atomic Number
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