MAE-2-TMAv2.1.pdfMODULE TITLE : MATERIALS ENGINEERINGTOPIC TITLE : MATERIALS PROCESSINGTUTOR...

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MAE-2-TMAv2.1.pdfMODULE TITLE  :  MATERIALS ENGINEERINGTOPIC TITLE  :  MATERIALS PROCESSINGTUTOR MARKED ASSIGNMENT 2 (v2.1)NAME........................................................................................................................................ADDRESS .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... XXXXXXXXXXHOME TELEPHONE .....................................................EMPLOYER....................................................................................................................................................................................................................................................................................................................................................................................................................................................................... XXXXXXXXXXWORK TELEPHONE......................................................MAE - 2 - TMA (v2.1)© Teesside University 2013Student declaration:I declare that all the work submitted is my own work and that no part of it has been copied fromany other source without full acknowledgement and complies with the University's guidingprinciples as stated in the Regulations Relating To Academic Misconduct*.Student signature:.....................................................................................................Date: ....................................................................................................Student code: ....................................................................................................Email: ....................................................................................................*http:www.tees.ac.uk/docs/index.cfm?folder=Student%20Regulations&name=Academic%20RegulationsPublished by Teesside University Open Learning (Engineering)School of Science & EngineeringTeesside UniversityTees Valley, UKTS1 3BA XXXXXXXXXXAll rights reserved.  No part of this publication may be reproduced, stored in aetrieval system, or transmitted, in any form or by any means, electronic, mechanical,photocopying, recording or otherwise without the prior permissionof the Copyright owner.This book is sold subject to the condition that it shall not, by way of trade ootherwise, be lent, re-sold, hired out or otherwise circulated without the publisher'sprior consent in any form of binding or cover other than that in which it is published and without a similar condition including thiscondition being imposed on the subsequent purchaser. IMPORTANTBefore you start please read the following instructions carefully.1. This assignment forms part of the formal assessment for this module.  Ifyou fail to reach the required standard for the assignment then you will beallowed to resubmit but a resubmission will only be eligible for a Passgrade, not a Merit or Distinction.You should therefore not submit the assignment until you are reasonablysure that you have completed it successfully.  Seek your tutor's advice ifunsure.2. Ensure that you indicate the number of the question you are answering.3. Make a copy of your answers before submitting the assignment.4. Complete all details on the front page of this TMA and return it withthe completed assignment including supporting calculations whereappropriate.  The prefeed submission is via your TUOL(E) Blackboardaccount:https:eat.tees.ac.uk

Robert · Accepted Answer

1.  Three major classifications of casting processes are: 
1) Pressure die casting: 
 It is most commonly used for Al, Zn, Mg castings i.e. having low melting point. 
 High production rates with close dimensional control can be achieved. 
 It is not suitable for materials having high melting point 
 The dies used in pressure die casting are usually very costly. 
2) Centrifugal casting: 
 Both horizontal and vertical centrifugal castings are widely used in industry. 
 It is highly suitable for axisymmetric parts. 
 In this very high strength of casting is obtained. 
 The process is widely used for large batch production. 
3) Investment casting: 
 It is referred to as lost-wax casting as the pattern is made up of wax. 
 Materials with very high melting temperature can be casted easily by this process. 
 It is primarily used for high batch size production. 
 Very high surface finish and dimensional accuracy can be achieved by this process.
c) From the above mentioned methods investment casting should be preferred for 
the production process as this process close dimensional accuracy, high surface finish 
with economical costs can be achieved for large batch size production.
2. a) Methods of coating for protection against corrosion are: 
 
1) Painting: 
 It is an effective way to protect the host from corrosion. 
 However, the paint will breakdown over time with the flowing fluid or due to the 
chemical reaction. Hence exposing the surface for corrosion to take place. 
2) Plating: 
 It involves use of electric current for coating a metal with a thin layer of another 
metal that acts as a protective barrier.

MAE-2-TMAv2.1.pdf MODULE TITLE : MATERIALS ENGINEERING TOPIC TITLE : MATERIALS PROCESSING TUTOR MARKED ASSIGNMENT 2 (v2.1)...

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