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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Examinations 2010/
Advanced Materials & Processes
Module Code: MANU
School: Mechanical & Process Engineering
Programme Title: Bachelor of Engineering (Hons) in Biomedical Engineering Bachelor of Science (Hons) in Process Plant Technology Bachelor of Science (Hons) in Advanced Manufacturing technology Bachelor of Engineering (Hons) in Mechanical Engineering
Programme Code: EBIOM_8_Y3, EBIOM_8_Y4 EMECH_8_Y3, EMECH_8_Y4, EPPTE_8_Y4, EAMTE_8_Y
External Examiner(s): Mr. Ger Reilly, Mr. Pat Ryan Internal Examiner(s): Dr Aoife Burke, Michael P O’Mahony
Instructions: Answer THREE Questions
Duration: 2 hours
Sitting: Winter 2010
Requirements for this examination:
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the correct examination paper. If in doubt please contact an Invigilator.
Q1.
(a) Describe the characteristics of Shape Memory Alloys and reference THREE of their common
applications.
(5 Marks)
(b) A turbine engine disc is made from grade 5 titanium alloy, analysis listed below
TYPICAL ANALYSIS Grade 5 Al. V. Fe Ox. 6% 4% 0.25% 0.2%
Explain why this material would be the preferred option, giving its advantageous to other alloy
metals and how the alloying elements listed above contribute to the properties desired for this
material.
(15 Marks)
(c) Aluminium and its alloys are used extensively from Aerospace to domestic, with specific
reference to products/parts explain why Al alloys were chosen for these applications.
(13 Marks)
Q
(a) List and explain FOUR methods of chemical cleaning processes (7 Marks)
(b) List FOUR reasons why manufactured products require coating and THREE coating processes
(5 Marks)
(c) A steel plate with surface area 190cm^2 is to be nickel plated. What average plating thickness will
result if 20A is applied for 15min in an acid electrolyte bath. Take plating constant
C = 3.42x10-5cm^3 /A-s and Cathode efficiency E =0.95 (3 Marks)
(d) Explain the similarities and differences of electroplating, electroless plating and electroforming
(5 Marks)
(e) Compare and contrast PVD to CVD, briefly describing each process, the fundamental difference
between them and examples of application (13 Marks)
