Quiz Solution: MSE 639: Interfaces and Materials Property

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 Quiz Solution: MSE 639: Interfaces and Materials Property



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What are different types of solid-solid interfaces? Mention them

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 Q. 1  (a) What are different types of solid-solid interfaces? Mention them. 2  (b) Show a low angle tilt boundary by simple schematic diagram? What is the angular range  for low angle boundary? 2+1  (c) How does a coherent twin boundary differ from an incoherent twin boundary? 2  (d) For FCC Ni (lattice parameter = 0.361 nm) tilt boundary (tilt angle = 5 degrees), estimate the  spacing between dislocations? 3 Solutions:  Answer  (a) Three types: Coherent, Semicoherent and Incoherent  (b) Simple schematic diagram of low angle grain boundary. A low-angle tilt boundary is an  array of parallel edge dislocations
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