Learning Outcomes

Features and Cost of Corrosion

Process of Material Degradation

Types and Forms of Corrosion

Uniform and Galvanic Corrosion

Crevice and Pitting Corrosion

Lesson Summary

In this module, you will be introduced to the concept of corrosion, as well as the various processes that can cause corrosion. You will also be introduced to the different types of corrosion which are uniform, galvanic, crevice, and pitting corrosion, as well as the impact of each type of corrosion.

Forms of Corrosion with Examples

Electrochemical Nature of Corrosion

Thermodynamics Aspects of Corrosion

Free Energy in Corrosion

Relationship Between Delta G and Equilibrium Constant

In this module, you will be introduced to the different forms of corrosion, as well as the electrochemical nature of corrosion and its thermodynamics. You will also be introduced to the thermodynamics aspects of corrosion, the concept of free energy change, as well as the process of entropy change.

Relation Between Free Energy and Equilibrium Constant

Derivation of Nernst Equation

Standard Reduction Potential Series for Pure Metals

Reduction Potentials in Acidic and Neutral Solutions

Nernst Equation in terms of pH

In this module, you will be introduced to the relationship between free energy and the equilibrium constant, as well as how the Nernst equation can be derived for a reaction. You will also be introduced to the standard reduction potential series for pure metals, as well as the reduction potentials in acidic and neutral solutions.

Limitations of Standard Reduction Potential Series of Pure Metals

Concentration Cell Formation and Galvanic Series

Examples of Concentration Cell and Spontaneity of Corrosion Process

Spontaneity of Corrosion Process and Introduction to Pourbaix Diagram

Construction of Pourbaix Diagram

In this module, you will be introduced to the various limitations of standard reduction potential series of pure metals, as well as the concept of concentration cell formation. You will also be introduced to the galvanic series, some examples of concentration cells, as well as the spontaneity of the corrosion process and Pourbaix diagrams.

Diploma in Electrochemistry of Corrosion - First Assessment

Construction of Pourbaix Diagram for Ni-H2O System

Analyzing the Pourbaix Diagram for Ni-H2O System

Stability Phases in the Pourbaix Diagram for Ni-H2O System

Pourbaix Diagram for Ni-H2O and Al-H2O

Inference From Pourbaix Diagram for Fe-H2O and Al-H2O

In this module, you will be introduced to the construction of the Pourbaix diagram for a Ni-H2O system, as well as happens when the pH concentration of the H+ ion increases. You will also be introduced to the positions where the acidic reactions and basic reactions will happen, as well as the schematic phase diagram for aluminium.

Estimation of Corrosion Rate

Expressing Corrosion Rate

Correlation Between Current Flow and Corrosion

Exchange Current Density

Exchange Current Density and Standard Hydrogen Electrode

In this module, you will be introduced to the steps used in the estimation of corrosion rate, as well as kinetics or rate of corrosion and the rate of dissolution of metal. You will also be introduced to the steps for calculating the corrosion rate in the form of mass loss per area per unit time.

Electrode Double Layer and Polarization

Correlation Between Current Density and Overvoltage

Introduction to Butler-Volmer Equation

Derivation of Tafel Equation

Tafel Plot and Activation Polarization

In this module, you will be introduced to the concept of the electrode double layer, as well as the different types of polarization and the correlation between current density and overvoltage. You will also be introduced to the derivation of the Butler-Volmer equation, as well as how the Tafel equation is derived.

Activation Polarization, Concentration Polarization, and Total Polarization

Summary of Concentration Polarization (CP)

Mixed Potential Theory

Drawing the Evans Diagram

Changes in Corrosion Rate

Examples Showing the Mixed Potential Theory

In this module, you will be introduced to the concepts of activation polarization and concentration polarization, as well as total polarization. You will also be introduced to the derivation of the mixed potential theory, as well as some case studies that highlight the mixed potential theory and the events of corrosion.

Diploma in Electrochemistry of Corrosion - Second Assessment

Diploma in Electrochemistry of Corrosion - Course Assessment

A free online course on the electrochemical nature of corrosion, as well as the thermodynamics aspect of corrosion.

Diploma in Electrochemistry of Corrosion

This free online course on the electrochemistry of corrosion teaches you about the processes that can cause corrosion, as well as the impact of different forms of corrosion and how to derive the important Nernst equation. You will learn about the steps for constructing a Pourbaix diagram and be able to explain the relevance of the mixed potential theory.

Electrochemical Nature and Thermodynamics of Corrosion - Course Assessment

Analyze the electrochemistry and causes of corrosion in this free science course.

Electrochemical Nature and Thermodynamics of Corrosion

This free online course on the electrochemical nature and thermodynamics of corrosion teaches you about the concept of ‘corrosion’, as well as the various processes that can cause corrosion. You will also learn about the different forms of corrosion (uniform, galvanic, crevice, pitting, erosion, and stress-assisted corrosions), as well as how they affect the environment.

Thermodynamics - Part 1

Thermodynamics - Part 2

Thermodynamics - Part 3

Thermodynamics - Part 4

Thermodynamics - Part 5

Thermodynamics is the study that deals with the relationship between heat and energy. In this module, the learner is introduced to the core principles of Thermodynamics. The concepts of pressure, volume and temperature are explained and the relationships between each are outlined. This module outlines how to convert between different scales of temperature and breaks down how to use physics formulas to solve real world problems.

Understanding Thermodynamics for Science and Engineering - Assessment

Learn more about the laws of thermodynamics, Avogadro's number, and the ideal gas law with this science course.

Understanding Thermodynamics for Science and Engineering

In our free online thermodynamics for science and engineering course you will learn about the core concepts of thermodynamics, such as the relationship between pressure, volume, and temperature. Thermodynamics is an essential branch of science and engineering that studies heat and its relation to energy and work. In this online course we look at examples and solve problems that will help you better understand the concepts of thermodynamics.

Introduction Mechanical Engineering

Engineering Mechanics

Thermodynamics and Energy

Fluid and Structural Mechanics

In this module, you will explore the fundamental principles of engineering mechanics, which are essential to grasp the workings of machines, structures, and energy transfer. You will learn about heat and thermodynamics, work, force, and energy, as well as fluid and structural mechanics.

Concept of Machines

Machine Dynamics

Hydraulic Machines

Strain Hardening Processes

In this module, you will delve into machine dynamics and hydraulic machines, where we explore the power of fluids and their application in modern engineering systems. This module aims to provide you with a comprehensive understanding of how machines operate and how they can be designed and optimized.

Application of Solidification

Welding in Mechanical Engineering

Engineering Drawing

In this module, you'll explore the application of solidification and its role in material engineering, gaining insights into how materials transform in the solid state. Then, we venture into the world of welding, uncovering the art and science of joining metals and also how to create and interpret drawings.

Mechanical Engineering Principles and Design Concepts - Assessment

Learn about the building blocks and fundamental concepts of mechanical engineering design in this free online course.

Mechanical Engineering Principles and Design Concepts

The application of mechanical engineering cuts across several industries ranging from building and construction to manufacturing and the motor industry. This course introduces the multifaceted concepts of this discipline by covering topics such as engineering mechanics, thermodynamics, and design. By the end of this course, you will possess a solid grasp of the mechanical engineering fundamentals needed to tackle complex engineering challenges.

Steam Theory

Steam Engine Thermodynamic Cycles

Main Boilers

High Pressure Water Tube Boiler

In this module, you will be introduced to the steam theory, as well as the heat transfer and properties of the fluid. You will also be introduced to the steam engine thermodynamic cycle, as well as the main boilers features and the principles of boiler design.

Drum Type WT  Double Evaporation Boiler

Foster Wheeler ESD Boilers

Once Through Boilers and Boiler Mountings

Automatic Feed Regulation and High Pressure Systems

In this module, you will be introduced to the double evaporation boiler, as well as the foster wheeler ESD boilers. You will also be introduced to the V2M-8 main Boiler combustion engineering, as well as the once-through boiler types and the main steam stop valve.

Introduction to Steam Theories in Marine Boilers - Course Assessment

This free online engineering course explains the internal workings and use of marine boilers in steam production.

Beginner Steam Theories in Marine Boilers

This free online engineering course takes you inside marine boilers as we examine their components to see how they produce steam. We examine ‘D-type’ boilers, the function of various components, boiler mountings and the combination of important modes of steam engine heat transfer. Steam once drove the Industrial Revolution and remains an important source of energy so sign up to improve your understanding of its thermodynamic cycles.

Macro-molecules, Life and Molecular Flexibility

Polymers, Polymerization and Polydispersity

Motivation to Study Polymer Physics

Random Walk Models of Single Chain I

Random Walk Models of Single Chain II

In this module you will learn about macro-molecules, molecular flexibility, classification of polymers, polydispersity, random walk models for single chain 1 and single chain 2.

Random Walk Models of Single Chain III

Kratky Porod Model - Part 1

Kratky Porod Model - Part 2

Probability Density of an Ideal Chain: Part I

Probability Density of an Ideal Chain - Part 2

In this module you will learn about random walk models, the Kratky Porod model and the probability density of an ideal chain.

Bead-Spring Model

Derivation of Diffusion Equation

Definition of Radius of Gyration

Radius of Gyration for an Ideal Chain

Non-bonded Interactions

In this module you will learn about the Bead-Spring model, Einstein notation, radius of gyration, concept of ideality and non-bonded interactions.

Definition of Excluded Volume

Virial Expansion

Flory Theory for Bad Solvents

Derivation of Fractal Dimension

Gyration Tensor

In this module you will learn about the excluded volume, viral expansion, Flory theory, fractal nature of polymers and gyration tensor.

Order-Disorder Transition

Scattering Experiment and Function

Monte Carlo Simulations

Monte Carlo Algorithm

Practical Aspects of Monte Carlo Simulation

In this module you will learn about transition, scattering experiments, simulations of polymer chains, algorithm and Monte Carlo simulations.

Molecular Dynamics Simulations

Solution Thermodynamics – Part 1

Solution Thermodynamics – Part 2

Solution Thermodynamics – Part 3

Solution Thermodynamics – Part 4

In this module you will learn about molecular dynamics simulations and solution thermodynamics.

Phase Separation Regime

Lattice Model of Solutions – Part 1

Lattice Model of Solutions – Part 2

Phase Behavior of Liquid Solutions

Lattice Models of Polymeric Systems

In this module you will learn about the phase separation regime, lattice model of solutions and phase behavior of liquid solutions.

Brownian Motion – Part 1

Brownian Motion – Part 2

Brownian Motion – Part 3

Brownian Motion – Part 4

Brownian Motion – Part 5

In this module you will learn about the Brownian motion, time reversal symmetry, fluctuation dissipation theorem and mean square displacement.

Rouse Model - Part 1

Rouse Model – Part 2

Rouse Model - Part 3

Rouse Model - Part 4

Problems in Rouse Model

In this module you will learn about the finite difference scheme, ordinary differential equations, mean square displacement and hydrodynamic interactions.

Zimm Model – Part 1

Zimm Model – Part 2

Continuum Mechanics – Part 1

Continuum Mechanics – Part 2

Kuhn’s Theory of Rubber Elasticity

In this module you will learn about hydrodynamic interactions, the Zimm model in good solvent, continuum mechanics, mechanical equilibrium and Kuhn’s theory of rubber elasticity.

Elasticity of Polymer Network

Microscopic Definition of Stress Tensor – Part 1

Microscopic Definition of Stress Tensor – Part 2

Models for Entangled Polymeric Systems – Part 1

Models for Entangled Polymeric Systems – Part 2

In this module you will learn about the elasticity of polymer networks, the stress tensor, entanglements and models for entangled polymeric systems.

Rheology of Complex Fluids

Rheometers and Rheological Tests – Part 1

Rheometers and Rheological Tests – Part 2

Maxwell Model – Part 1

Maxwell Model – Part 2

In this module you will learn about the rheology of complex fluids, the superposition principle, rheometers and rheological tests and the Maxwell model.

Advanced Diploma in Polymer Physics - Course Assessment

Learn about the theory and applications of Polymer technologies in manufacturing processes in this free online course.

Advanced Diploma in Polymer Physics

In this free online course in Polymer Physics you will learn about the theory and applications of Polymer technologies in various industries such as food, manufacturing and packaging. Demonstrations and assessment questions in this video-based course are designed to provide you with a comprehensive foundation in the subject. This course will be of interest to students of physics or engineering or those seeking to improve their career prospects.

Recap of Electrochemical Polarization

Activation and Concentration Polarization

Tafel Equation and Tafel Slope

Exchange Current Density in Anodic and Cathodic Polarization

Interaction between Concentration Polarization and Mixed Potential Theory

In this module, you will be introduced to the two important aspects of electrochemical reactions, as well as their interactions with mixed potential theory. You will also be introduced to the concepts of Tafel equation, cathodic and anodic reactions, as well as how to plot appropriate graphs representing the reactions and the formation of the Helmholtz double-layer.

Introduction to Corrosion Processes based on Mixed Potential Theory

Evolution of Microstructure and Optical Microscope

Depolarization Effect

Equilibrium Potentials

Exchange Current Density and Galvanic Contacts

In this module, you will be introduced to the evolution of microstructure in pearlite, the concept of an optical microscope, as well as their formation. You will also be introduced to the concepts of etching, equilibrium potentials, corrosion processes, galvanic coupling and depolarization effects.

Effect of Exchange Current Density on Corrosion Rate of an Active Metal

Area Effect of the Cathodic and Anodic Component

Area Effect on the Current and Corrosion Rate

Corrosion Processes on the basis of Mixed Potential Theory: Numerical Analysis

Galvanic Coupling between Two Active Metals

In this module, you will be introduced to the different values of half-cell, anodic and cathodic reactions, as well as the parallel line of individual Tafel lines for hydrogen evolution reaction on zinc and platinum. You will also be introduced to the area effect on the corrosion of an active component, as well as the galvanic coupling between two active metals in an electrolyte.

Theory of Sacrificial Anode Steel Objects Protection

Effect of Two Active Metals on Fe–Corrosion

Corrosion of Metals in Controlled Concentration

Effect of Velocity on Corrosion Rate

In this module, you will be introduced to the two segments of cathodic protection which are the sacrificial anode and impressed current cathodic protection, as well as the effect of magnesium and zinc on iron corrosion when they are galvanically coupled. You will also be introduced to how corrosion current density can be affected in both activation, as well as concentration controlled environment. The relationship between velocity and corrosion rate will also be highlighted in this module.

Study electrochemical reactions in corrosion, as well as the oxidation mechanisms of corrosion, in this free course.

Diploma in Electrochemical Reactions in Corrosion

Two important aspects of electrochemical reactions are covered in this free online course. You will learn about the features and elements of passivation, as well as the interaction between polarization and the Pourbaix diagram. You will also be able to explain the calculation of Pilling-Bedworth ratio in different metals, as well as plot the Ellingham diagram. Start this course today to improve your understanding of electrochemical reactions.