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MEC1201 Engineering Materials

Semester 1, 2023 Toowoomba On-campus
Units : 1
School or Department : School of Engineering
Grading basis : Graded
Course fee schedule : /current-students/administration/fees/fee-schedules

Staffing

Course Coordinator:

Overview

Materials science and engineering course has come into its own as a field of endeavour during the past 25 years. The central theme in this development is the concept that the properties and behaviour of a material are closely related to the internal structure of that material. The properties (which may be regarded as the responses of the material to its immediate environment) are functions of: (i) the kinds of atoms present and the type of bonding among them, and (ii) the geometrical arrangement of large numbers of atoms, microstructure and macrostructure. As a result, in order to modify properties, appropriate changes must be made in the internal structure. Also, if processing or service conditions alter the structure, the characteristics of the material are altered. Over the same period, noticeable changes have taken place in the teaching of engineering materials to the engineering students. Previously, elementary courses emphasised on the mechanical properties of materials with long dull lists of chemical specifications and descriptions of processing. More recently, elementary courses seek to provide a thorough grasp of the structures encountered in the principal families of materials - metals, ceramics and polymers - and then to show how the properties of important engineering materials depend on these structures. This course seeks to provide a background knowledge of the more commonly used engineering materials. This will be achieved by promoting an understanding of the interrelation of structure and properties in the principal families of materials and the mechanisms by which the structural changes may be accomplished.

Course learning outcomes

The course objectives define the student learning outcomes for a course. On completion of this course, students should be able to:

  1. Identify brittle and ductile materials, and calculate the mechanical properties of materials;
  2. Explain the influence of both atomic structure and microstructure on the deformation mechanism of metal materials;
  3. Interpret the principal strengthening mechanisms by which structural change may be accomplished in materials in order to enhance their mechanical properties;
  4. Understand the influence of different cooling process in manufacturing process of metal alloys;
  5. Explain the structure and mechanical behaviour of various polymers;
  6. Explain the structure and mechanical behaviour of ceramics and the possibility of improving their characteristics;
  7. Explain the deterioration in materials specifically the corrosion of materials and the possible methods to reduce the impact of corrosion on materials;
  8. Identify and explain the electrical properties of materials specifically semiconductors and their applications;
  9. Determine the types of cements and how concrete would be formed, and the techniques can be used in their process;
  10. To select the material characteristics for various engineering applications.

Topics

Description Weighting(%)
1. Introduction to Engineering Materials 10.00
2. Atomic Structure and Microstructure 10.00
3. Deformation of metals 10.00
4. Binary equilibrium phase diagrams 10.00
5. Effects of non-equilibrium cooling and heat treatments of metals 10.00
6. Structure and mechanical behaviour of polymers 10.00
7. Structure and mechanical behaviour of ceramics 10.00
8. Deterioration in service 10.00
9. Electrical and magnetic properties of materials 10.00
10. Cement and concrete 10.00

Text and materials required to be purchased or accessed

Nil to be purchased.

Student workload expectations

To do well in this subject, students are expected to commit approximately 10 hours per week including class contact hours, independent study, and all assessment tasks. If you are undertaking additional activities, which may include placements and residential schools, the weekly workload hours may vary.

Assessment details

Approach Type Description Group
Assessment
Weighting (%) Course learning outcomes
Assignments Written Quiz No 10 1
Assignments Written Report 1 No 20 1,2
Assignments Written Report 2 No 30 3,4
Assignments Written Quiz A1 of 2 No 20 5,6
Assignments Written Quiz A2 of 2 No 20 7,8,9,10
Date printed 9 February 2024