ML2106 : Metals and Alloys (Essential)

ML3104 Metals and Alloys (Essential)

Pre-requisites	Passed at least 3 modules from Ml1101, CM1101, CM1111, CM1121, or passed at least 3 modules from ML1101, PC1131, PC1132, Pc1133, PC1134
Workload	25 lecture hours + 6 tutorials + 12 hours laboratory
Course Lecturers	Dr J Ding Tel: 6874-4317

To introduce the importance and significance of metallic materials.
To enable students to understand metallic bonding, crystal structures of pure metals and the influence of alloying elements on structures.
To introduce phase diagrams of metallic materials.
To teach microstructures of metallic materials after solidification, quenching and subsequent heat treatment.
To teach how to improve mechanical properties of metals.
To teach the principles of metal corrosion and the prevention.
To introduce ferrous and non-ferrous metals and their processing.
To enable students to understand carbon steels and their applications.
To introduce metallic materials as functional materials.

Metals and metallic structure
- Brief introduction to different materials and relative importance of metals
- Metallic bonding
- Crystal structures of metallic elements
- Pure metals and alloys
- Solid solution (substitutional and interstitial)
- Intermediate alloy phases
Phase diagram and microstructure for metals
- Brief introduction to free energy, equilibrium and phase rule
- Unary, binary and ternary phase diagrams
- Determination of phase diagrams
- Important reactions (eutectic, peritectic...)
- Solidification of metals
- Diffusion, recrystallisation and grain growth
Mechanical properties
- Brief introduction to mechanical testing
- Dislocation, elastic and plastic deformation
- Mechanical properties in dependence of microstructure
- Mechanisms of strengthening for metals
- Mechanical failures in metallic materials
Ferrous and nonferrous metals
- Carbon steels
- Cast irons
- Martenstic phase transformation in Fe-C system
- High-alloy steels
- Non-ferrous metals (Al, Cu, Ni, Co and Ti)
Introduction to processing of metals
- Refining processes for metals
- Cold and hot works
- Forming and welding
- Brief description of powder metallurgy
Chemical and physical properties of metals
- Types of corrosion for metals
- Prevention of corrosion
- Brief introduction to physical properties of metals
- Brief introduction to metals as functional materials

William D. Callister, "Materials Science and Engineering : An Introduction", (1994), John Wiley & Sons, Inc.
Donald R. Askeland, "The Science and Engineering of Materials", (1984), PWS-Kent Publishing Company.
Alan Cottrell, "An Introduction to Metallurgy", (1967), Edward Arnold.
Albert G. Guy and John J. Hren, "Elements of Physical Metallurgy", (1974), Addison-Wesley Publishing Company.
J. J. Moore, "Chemical Metallurgy", (1990), Butterworths.
J. D. Gilcherist, "Extraction Metallurgy", (1980), Pregamon Press.

To understand metallic bonding and its effect on structures of pure metals.
To be able to analyse phase diagrams to predict possible microstructures after solidification and subsequent heat treatment.
To understand the relationship between mechanical properties and microstructures for metallic materials. To know how to improve mechanical properties.
To be able to explain martenstic phase formation and its effect on mechanical properties for carbon steels.
To know why carbon steels and cast irons are produced in large quantity and why many non-ferrous metals are widely used.
To know applications of metals as functional materials.

Last updated: August 21, 1998