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Engineering, 05.05.2020 05:17 makoa

0 points) i) Explain the grain-size-reduction strengthening strategy and precipitation strengthening strategy in a metallic material. (10) ii) What is the role of dislocations in metallic materials? Show schematically a screw and an edge dislocation in an FCC crystal with slip plane and slip direction and depict their Burger vectors and its dislocation line orientations respectively.

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0 points) i) Explain the grain-size-reduction strengthening strategy and precipitation strengthening...
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