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Engineering, 15.04.2020 00:03 10040813

(30 points) When a cubic, solid-solution ternary ABC alloy containing mainly A is heated at low temperatures, fine particles rich in either B or C form in A. The B particles form on the {110} planes as circular plates (disks), 1 nm thick and 40 nm in diameter. The C particles form as rods (cylinders) along the <100> directions, 2 nm in diameter and 30 nm long. (a) Sketch pictures of the two types of particles using the same scale to show their relative dimensions, and indicate the dimensions on the particles. (b) Sketch the shape-factor intensity distributions (rel-rods) from both particles about a common diffraction spot. You may use whatever scale is convenient to show the intensity distributions, but indicate this scale (in nm-1 ) and draw the intensities as accurately as possible correctly oriented along an orthogonal set of axes labeled [100], [010] and [001]. You might want to sketch a <100> perspective as well as a three-dimensional perspective for clarity, but the <100> drawing is optional. (c) How far away from the center of the diffraction spot are the first minima in the intensity distributions for the two particles (give your answer in nm-1 )

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(30 points) When a cubic, solid-solution ternary ABC alloy containing mainly A is heated at low temp...
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