Environmental Degradation of Materials
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Environmental Degradation of Materials Syllabus — Unit-wise Content
The official GTU curriculum for Environmental Degradation of Materials (subject code 3152116) as prescribed for Metallurgy · Semester 5 divides the course into 5 units, covering 31 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3152116)Unit 1 Introduction, Definition, Forms of material degradation, Classification of corrosion,
- Importance of corrosion studies and cost of corrosion
- Corrosion principles: Electrochemical aspects
- Thermodynamic aspects of corrosion – Gibbs energy and electrochemical potential
- Reference electrodes
- EMF and galvanic series
- Nernst relationship and Pourbaix Diagram for Metal Water System
Unit 2 Kinetic aspects of corrosion
- Corrosion rate
- Current density
- Exchange current density
- Mixed potential theory
- Polarization and Passivation
Unit 3 Forms of corrosion
- Characteristic features
- causes and remedial measures of Uniform Corrosion
- Pitting Corrosion
- Crevice Corrosion
- Galvanic Corrosion
- Intergranular Corrosion
- Selective leaching
- Stress corrosion cracking
- Hydrogen Damage etc
Unit 4 Corrosion Measurements
- Exposure studies
- Electrochemical work bench
- DC and AC methods of testing
- Polarization measurements-Corrosion rate assessment by Tafel’s extrapolation method
- Corrosion Control: Material selection
- Design considerations
- Control of environment including Inhibitors and Passivators
- Coatings (Electroplating
- Thermal spraying etc.)
- Cathodic and Anodic protection
Unit 5 Wear of materials, Wear rate measurement, Wear resistant materials and coatings, Surface
- modification to improve wear resistance. 02 Subject Code: 3152116 w.e.f
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