Metals and their alloys possess crystalline structures that may be altered to change their mechanical properties. 4. (a) Illustrate, with the aid of a diagram, substitutional AND interstitial strengthening mechanisms in metal alloys. (b) With respect to microstructural features in metals, describe how the hindrance of the movement of dislocations through a lattice crystal structure strengthens metals and/or metallic alloys. Given the equilibrium phase diagram (a) below, briefly describe (c) the mechanisms of precipitation hardening/strengthening of an aluminium alloy making reference to the transitions shown in (b) below to X, X to A, X to D, A to B and A to C.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Metals and their alloys possess crystalline structures that may be
altered to change their mechanical properties.
4.
(a) Illustrate, with the aid of a diagram, substitutional AND
interstitial strengthening mechanisms in metal alloys.
(b) With respect to microstructural features in metals, describe how
the hindrance of the movement of dislocations through a lattice
crystal structure strengthens metals and/or metallic alloys.
Given the equilibrium phase diagram (a) below, briefly describe
(c) the mechanisms of precipitation hardening/strengthening of an
aluminium alloy making reference to the transitions shown in (b)
below to X, X to A, X to D, A to B and A to C.
Tiee
T
Transcribed Image Text:Metals and their alloys possess crystalline structures that may be altered to change their mechanical properties. 4. (a) Illustrate, with the aid of a diagram, substitutional AND interstitial strengthening mechanisms in metal alloys. (b) With respect to microstructural features in metals, describe how the hindrance of the movement of dislocations through a lattice crystal structure strengthens metals and/or metallic alloys. Given the equilibrium phase diagram (a) below, briefly describe (c) the mechanisms of precipitation hardening/strengthening of an aluminium alloy making reference to the transitions shown in (b) below to X, X to A, X to D, A to B and A to C. Tiee T
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