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Mar 30, 2023

Unit Title : Introduction To Materials Engineering
Assignment Type : Assignment Essay
Word Count : 1500 to 2000 words,
Introduction To Materials Engineering Assignment – UK.

Part A Phase Diagrams and Crystal Structure :
1.Describe and discuss the information presented in phase diagrams. Include one or more diagrams to illustrate your answer. You should explain what a phase is (you can focus on phase diagrams for metal alloys), include concepts of solid solutions and solubility limit, demonstrate the use of the lever rule to determine proportions of phases present for a given temperature and composition, and include reference to crystal structures and micro structure changes arising from temperature and/or composition changes.

2) Aluminium alloys can be strengthened by precipitation hardening. Explain with the use of a suitable phase diagram the process for precipitation hardening, outlining the solubility requirements of such an alloy to allow precipitation
hardening, and explaining how precipitates act to increase the strength.

Part B Choose one of the 3 topics below and discuss the important aspects as directed.

Either
1) Corrosion in metals – explain the mechanisms for corrosion in metals, how the ‘environment’ can affect the corrosion rate and how corrosion can be controlled or prevented (design, materials, and/or treatments).

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