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YOUR AIMS
On completion of this lesson you should be able to:- understand what constitutes a ceramic material- know the main engineering ceramics- appreciate the engineering properties of ceramics.
SELF-ASSESSMENT QUESTIONS
1. ‘Silicon nitride and silicon carbide are suitable for use as combustion chambers in gas turbine engines.' By considering properties discuss the validity of this statement. Why are ceramics not more commonly used for high temperature engineering applications?
2. For a ceramic compound, what are the two characteristics of the component ions that determine the crystal structure?
3. The flexural strength and volume fraction porosity of two specimens of a ceramic are shown below:
S (MPa) p100 0.0550 0.2
Compute the strength for a completely non-porous material, and the strength for 0.1 volume fraction porosity.
4. Use a materials data source to determine the relative density, thermal expansion and melting points of (a) tungsten carbide (b) magnesium oxide.
BET207 Engineering Management Assignment Project - Group Report & Presentation, Melbourne Polytechnic, Australia. Provide details on plans to monitor project
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BE301 - TELECOMMUNICATION MODELLING AND SIMULATION - Design of GSM Cellular Mobile Radio Base Station Network
The task for this part of the project is to choose a location for the MSC and establish a fixed network based on technical feasibility and traffic requirements
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Consider the following material called carbon-epoxy with a fiber volume fraction of 70% and Ef = 379 GPa, νf = 0.22, Em = 3.3 GPa, and νm = 0.35. Compute E1, E2, ν12, and G12 using both the rule of mixtures (ROM) and more accurate formulas recommende..
MAP 6264 Draw the theoretical graph of E(R) versus u. On the same graph, plot the points produced by the simulation - Run the simulation and fill in the values indicated in the table. Calculate the theoretical values of E(I)
For each of the given criteria, select the appropriate resin that meets the criterion (taken separately).-High fracture toughness, -Very low flammability and low smoke production under heat and fire.
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