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old_exam_2 - A Name SECOND HOUR EXAMINATION TAM 324/CEE300...

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Name ____________________________ S ECOND H OUR E XAMINATION - TAM 324/CEE300 Wednesday March 7, 2007 • Work all problems in spaces provided • One page of hand-written notes permitted. 1. (15 points) Assume a single-crystal BCC material. (a) (5pts) Sketch the BCC crystal unit cell and identify an origin. (b) (5pts) Identify a slip system (provide both planar and direction indices to define the system) that is most likely to experience slip under general loading; (c) (5pts) Identify a direction such that uni-axial tension applied along it will not cause any slip along that identified slip system. A
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