Introduction to materials science2. Mechanical behaviour of materials (Tensile test, stress strain curve Ductile – brittletransition)3. Structure of crystalline materials (SC, BCC, FCC, HCP, Directions, Planes)4. Fe-C phase diagram and phase transformation (Fe-C system, Microstructure andProperty changes (mechanical behaviour), TTT plots)5. Ferrous and Non-Ferrous alloys (classification, examples and applications)6. Strengthening mechanisms7. Corrosion (factors and forms of corrosion)8. Composites (Classification- MMCs, CMCs and PMCs)

Introduction to materials science: Materials science is a field that focuses on the study of the properties and behavior of different materials. It involves understanding the relationship between the structure, properties, processing, and performance of materials.

Mechanical behavior of materials (Tensile test, stress-strain curve, ductile-brittle transition): The mechanical behavior of materials refers to how they respond to applied forces or loads. One common test used to study this behavior is the tensile test, which involves applying a pulling force to a material until it breaks. The stress-strain curve obtained from this test provides information about the material's strength, stiffness, and ductility. The ductile-brittle transition refers to the change in behavior from ductile (able to deform plastically) to brittle (fracturing without significant deformation) as temperature decreases.

Structure of crystalline materials (SC, BCC, FCC, HCP, directions, planes): Crystalline materials have a regular and repeating atomic arrangement. Different crystal structures include simple cubic (SC), body-centered cubic (BCC), face-centered cubic (FCC), and hexagonal close-packed (HCP). These structures determine the material's properties and behavior. Directions and planes in crystals are important for understanding crystallography and how atoms are arranged within the crystal lattice.

Fe-C phase diagram and phase transformation (Fe-C system, microstructure and property changes, TTT plots): The Fe-C phase diagram is a graphical representation of the phases that form in the iron-carbon system at different temperatures and carbon concentrations. It is important in understanding the behavior of steels and cast irons. Phase transformations, such as solidification, austenite formation, and pearlite formation, occur in this system and affect the microstructure and properties of the material. Time-temperature-transformation (TTT) plots provide information about the kinetics of phase transformations.

Ferrous and Non-Ferrous alloys (classification, examples, and applications): Ferrous alloys are those that contain iron as the main element, such as steels and cast irons. Non-ferrous alloys, on the other hand, do not contain iron as the main element and include materials like aluminum, copper, and titanium alloys. These alloys are classified based on their composition and properties. Examples of ferrous alloys include stainless steel and carbon steel, while non-ferrous alloys include brass and bronze. These alloys find applications in various industries, such as construction, automotive, and aerospace.

Strengthening mechanisms: Strengthening mechanisms are techniques used to improve the mechanical properties of materials. These mechanisms include solid solution strengthening, precipitation hardening, grain refinement, and dislocation strengthening. By controlling the microstructure and introducing certain elements or heat treatments, the strength, hardness, and toughness of materials can be enhanced.

Corrosion (factors and forms of corrosion): Corrosion is the deterioration of materials due to chemical reactions with the environment. Factors that influence corrosion include the presence of corrosive substances, temperature, humidity, and the material's composition. Different forms of corrosion include uniform corrosion, pitting corrosion, crevice corrosion, and galvanic corrosion. Understanding corrosion mechanisms is crucial for preventing material degradation and ensuring the longevity of structures and components.

Composites (classification - MMCs, CMCs, and PMCs): Composites are materials composed of two or more distinct components, typically a matrix material and reinforcing fibers or particles. They are classified based on the type of matrix material used. Metal matrix composites (MMCs) have a metal matrix reinforced with ceramic or metallic fibers. Ceramic matrix composites (CMCs) have a ceramic matrix reinforced with ceramic fibers. Polymer matrix composites (PMCs) have a polymer matrix reinforced with fibers, such as carbon or glass fibers. Composites offer improved strength, stiffness, and other tailored properties compared to individual materials, making them suitable for various applications in aerospace, automotive, and sports industries.