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ME5013 Retake for Materials And Design Assessment Answer


School of Engineering and the Environment Department of mechanical engineering Resit Coursework Assessment Brief
Module Code
ME5013
Module Title
Engineering Design, Materials, and Manufacture
Title of Assessment
Retake for Materials & Design

All assignments must be done within the dates specified above.
Students are required to take the quizzes via the Assignments section of Canvas and follow any specific instructions. Any change to this instruction will be advised via Canvas.
In case of illness or other issues affecting your studies please refer to the University Mitigating Circumstances policy. Guidance on mitigating circumstances can be found on MyKingston:https://mykingston.kingston.ac.uk/myfaculty/sec/secstudentsupportMC/Pages/Mitigating-Circumstances.aspx
Please note that if you submit a piece of work you have judged yourself fit to undertake the assessment and cannot claim mitigating circumstances retrospectively.
Guidance on avoiding academic assessment offences such as plagiarism and collusion can be found on MyKingstonhttps://mykingston/myuni/academicregulations/Pages/default.aspx
Module Learning Outcomes

The following module learning outcomes and professional body learning outcomes are tested in this assessment:

  1. Specify and select appropriate materials for engineering design.
  2. Apply DFMA, Value Engineering, and Value Analysis techniques to optimise design costs.
  3. Appraise design solutions from the perspectives of cost function, quality and manufacturability.
  4. Application of materials and processing of metals and composites.


Assessment task and specific terms

Part 1 – Design:

  1. Engineering drawings are used to aid communication/transfer of key information between different departments to ensure consistency and accuracy. Explain the following terminologies with a suitable example for each.
    • Multiview drawing.
    • Axonometric drawing.
    • Isometric drawing.
  2. There are some key principles which can be applied when designing an engineering product or component. Elaborate the following principles with suitable examples for each.
    • Hierarchical, top down design.
    • Why high risk items should be tackled first in any design process.
    • The important role of 3-D printing technology in rapid prototyping.
  3. It is suggested that the concept of recycling should be embedded in all engineering design to protect our future generations. Identify 10 key factors in engineering design which can help maximise a product’s recyclability (no need to add any explanation).
  4. Value Analysis is a ‘systematic and objective evaluation of the value of a goods or service’, and is usually applied to an existing produce. Value Engineering, on the other hand, is more applicable to a new product/service. With the aid of lecture notes and diagrams, explain how VE can be applied in designing a new electric car.
  5. You are leading a project team to design a new family sized electric car for Ford, and are very keen to protect its intellectual properties so developed. Using the terminologies covered in the lecture, suggest what IP/copyright that you would like to seek in order to protect your interest.


Part 2 – Materials:

  1. A cooling curve is shown in Figure Q6. Determine (a) the pouring temperature, (b) the solidification temperature, (c) the superheat, (d) the cooling rate just before solidification begins, (e) the total solidification time, (f) the local solidification time, and (g) the probable identity of the metal. (h) If the cooling curve was obtained at the center of the casting sketched in the figure, determine the mold constant, assuming that n = 2.A 5-cm diameter sphere solidifies in 1050 s. Calculate the solidification time for a 0.3 cm x 10 cmx 20 cm plate cast under the same conditions. Assume that n = 2.
  2. For a polymer-matrix fibre-reinforced composite
  • List three functions of the matrix phase.
  • Compare the desired mechanical characteristics of matrix and fibre phases.
  • Cite two reasons why there must be a strong bond between fibre and matrix at their interface.

3. want to produce 5 kg of continuous unidirectional fibre-reinforced composite with HS carbon fibre in a polyimide matrix that has a modulus of elasticity of at least 172 x103 MPa parallel to the fibres. How many kilograms of fibres are required? The modulus for HS carbon fibre is 276 x 103 MPa and for  polyimide is 2070  MPa.  The densities  of  HS carbon and polyimide  are
1.75 and 1.39 g/cm3 respectively.




Answer

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