Compare and contrast the Lost Wax, (investment casting), and Lost Foam processes

/in /by

Your answer should not involve a description of the processes; this can be assumed. The essay should be aimed at demonstrating a critical analysis of different aspects of the two processes, and should include an analysis of;

(i). Dimensional accuracy.

(ii). Surface finish.

(iii). Mechanical properties.

(iv). Design complexity.

(v). Cost.

(vi). Probable market for the two processes.

Part Two (1000 words):

Compare and contrast the Ablative casting method with a conventional greensand or resin-bonded silica sand casting method.

In this case your answer should include brief descriptions of the two processes, to help the student explain the content of the essay, however the essay should be aimed at demonstrating a critical analysis of different aspects of the two processes, and should include an analysis of;

(i) Brief accounts of the two casting processes.

(ii) Microstructure.

(iii) Mechanical properties.

(iv) Probable market for the two processes.

 

Notes:

  • Use clear headings for different parts.
  • You are welcome to refer to the published literature but no pictures/images/drawings should be copied into your essay. You should use your own drawings/images/pictures.