test1s02

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Home Introduction Policies Resources Requirements & Grading Syllabus Assignments Handouts Discussion Web Links Distance Learners Contact MSE 200 MSE 200 Test#1 Read the questions carefully and answer on the backside also.

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1. Determine the Miller indices of the atomic plane and the atomic direction (AB) shown in Figures below. Is the direction contained in the plane . points:12 Intercepts :-1/2,-1,-1/2 Reciprocals:-2,-1,-2 Common denominator:1 or -1 Miller Indices: (212) or with bars on them Coordinates of A: 001 Coordinates of B:1,0,0 Direction: [10-1] with the negative taken as a bar over 1.
hu+kv+lw=(2)+0+(-2)=0, yes the direction is contained in the plane. 2. Draw the crystallographic plane with Miller indices (211) and the direction [111]. Is the direction contained in the given plane. What is the shortest distance between atoms in bcc lattice and fcc lattice. points:12 Intercepts of the plane: 1/2,1,1 Shortest in bcc is along the body diagonal : 1.732 a/2 Shortest in fcc is along the face diaginal: 1.414 a/2 3. Draw the interatomic force vs interatomic distance of separation

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for a strong solid and a weak solid. Use back side. points:12
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