Introduction to Metallurgy and Corrosion Short Course - Call us on +44 (0) 1443 223544 or Contact Us - 5 Days
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Introduction
This course looks at physical metallurgy , the crystal structure of metals and alloys and its effect on the physical and mechanical properties of the metal; and process metallurgy which deals with the alloying, shaping and subsequent heat treatment of the metal.
By understanding the effects of alloying elements, heat treatment, work hardening and surface finishes we can appreciate and understand the issues and causes of failure of mechanical devices and why corrosion has been such a problem with certain components in certain situations.
The course will demystify the choice of materials, the effects of heat treatment, hardening techniques and examine the way in which components have failed and the reasons for these failures. We will look at the ways in which we can minimise the cost of this damage and how we can extend the life of our equipment and plant.
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Topics Include
1) Atomic structures; Cooling curves; Electro- and co-valency, metallic bonds; Van der Waal’s forces
2) Isotopes, atoms and molecules
3) Creep stress and fatigue failure
4) Microbiologically influenced corrosion and how it may be minimised
5) Dendritic growth and shrinkage cavities in cast metals
6) Crack formation
7) Heat treatments; the iron-carbon thermal equilibrium diagram (0-1.4%C); brittle fracture
8) The Phase Rule
9) Definitions of eutectic, eutectoid, solid solution, substitutional (ordered and disordered) , and interstitial
10) Fick’s Laws; the properties of an alloy compared with the constituent elements
11) Hardening and tempering of plain carbon steels; cast iron
12) Copper based alloys ; aluminium based alloys ; non-ferrous alloys
13) Weld decay; corrosion due to a) chemical attack and b) electrolytic action
14) Stress corrosion, corrosion fatigue and fretting corrosion
15) ICCP (impressed current cathodic protection) and sacrificial anodes
16) Corrosion protection by use of corrosion resistant material, metallic coating, cladding, hot-dip coating
Who is this course for?
Maintenance Supervisors and technicians engaged in the repair of equipment and plant. Engineers and technicians who are new to corrosion and want to understand the metallurgical aspects of corrosion. Operations personnel who want to reduce operating costs and waste associated with corrosion.
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