HW3 - HOMEWORK CHAPTER 3 PART A. DEFINITIONS/NOMENCLATURE...

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HOMEWORK CHAPTER 3 PART A. DEFINITIONS/NOMENCLATURE – (5 POINTS – 1 POINT EACH) 1. When hard spheres are packed in arrangements to form a BCC (Body Centered Cubic) structure, atoms touch along the ________________________ family of directions. 2. The hard sphere, FCC (Face Centered Cubic) structure has the same packing density as what other close-packed structure? ________________________. 3. A lattice together with its basis is referred to as the ___________________________. 4. When properties of a material are independent of direction, the material is said to be ___________________________. 5. Fluids that show some degree of long range order are called ______________________________. PART B. CIRCLE THE APPROPRIATE ANSWER – (5 POINTS – 1 POINTS EACH) 1. There may be more than one / must be exactly one atom at each lattice point. 2. Diffusion along a grain boundary has a higher / lower activation energy than does bulk diffusion. 3.
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This note was uploaded on 09/12/2011 for the course MSE 2001 taught by Professor Tannebaum during the Fall '08 term at Georgia Institute of Technology.

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HW3 - HOMEWORK CHAPTER 3 PART A. DEFINITIONS/NOMENCLATURE...

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