Subject Code & Name: ME25C08 – Metallurgy and Materials Science
Regulation: R-2025
Semester: III (Third Semester)
Branch: B.E. Mechanical Engineering (Mech) / B.E. Manufacturing Engineering (Mfg)
Credits / L-T-P: 3 Credits | L-T-P: 3-0-0
Course Objectives
- This course provides knowledge on phase diagrams, ferrous and non-ferrous materials, heat treatment processes, polymers, ceramics, composites, and mechanical behavior of engineering materials.
- It enables students to understand material selection, microstructure-property relationships, testing methods, and modern materials used in engineering applications.
Full Unit-wise Syllabus
Unit I – Constitution of Alloys and Phase Diagrams
Constitution of alloys – Solid solutions, substitutional and interstitial – phase diagrams, Isomorphous, eutectic, eutectoid, peritectic, and peritectoid reactions, Iron – Iron carbide equilibrium diagram. Classification of steel and cast-Iron microstructure, properties and application.
Activities: Study of phase diagrams and microstructures.
Unit II – Heat Treatment
Definition – Full annealing, stress relief, recrystallisation and spheroidising – normalizing, hardening and tempering of steel. Isothermal transformation diagrams – cooling curves superimposed on I.T. diagram – continuous cooling Transformation (CCT) diagram – Austempering, Martempering – Hardenability, Jominy end quench test -case hardening, carburizing, Nitriding, cyaniding, carbonitriding – Flame and Induction hardening – Vacuum and Plasma hardening – Thermo-mechanical treatments- elementary ideas on sintering.
Activities: Demonstration of heat treatment and hardenability test.
Unit III – Ferrous and Non-Ferrous Metals
Effect of alloying additions on steel (Mn, Si, Cr, Mo, Ni, V,Ti& W) – stainless and tool steels – HSLA - Maraging steels – Grey, white, malleable, spheroidal – alloy cast irons, Copper and its alloys – Brass, Bronze and Cupronickel – Aluminium and its alloys; Al-Cu – precipitation strengthening treatment – Titanium alloys, Mg-alloys, Ni-based super alloys – shape memory alloys- Properties and Applications-overview of materials standards.
Activities: Alloy identification and material selection exercise.
Unit IV – Non-Metallic Materials
Polymers – types of polymers, commodity and engineering polymers – Properties and applications of PE, PP, PS, PVC, PMMA, PET, PC, PA, ABS, PAI, PPO, PPS, PEEK, PTFE, Thermoset polymers – Urea and Phenol formaldehydes – Nylon, Engineering Ceramics – Properties and applications of Al2O3, SiC, Si3N4, PSZ and SIALON – intermetallics- Composites- Matrix and reinforcement Materials- applications of Composites - Nano composites.
Activities: Classification of polymers, ceramics, and composites.
Unit V – Mechanical Properties and Deformation Mechanisms
Mechanisms of plastic deformation, slip and twinning – Types of fracture – fracture mechanics- Griffith’s theory- Testing of materials under tension, compression and shear loads – Hardness tests (Brinell, Vickers and Rockwell), Micro and nano-hardness tests, Impact test lzod and charpy, fatigue and creep failure mechanisms.
Activities: Demonstration of tensile, hardness, and impact tests.
Course Outcomes (COs)
- CO1: Explain phase diagrams, heat treatment engineering materials, and material properties.
- CO2: Apply heat treatment methods, alloy selection and material testing techniques.
- CO3: Analyze microstructure, phase transformation and failure behavior of materials.
- CO4: Evaluate the performance of metallic, ceramic polymer, and composite materials.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 40% | End Semester Examinations 60%
- Internal methodology: Quiz (5%), Assignments (25%), Review of GATE/ESE Questions, Internal Examinations (50%)
Source: Official Anna University – B.E. Mechanical Engineering R-2025 Syllabus
Last Updated: September 2026
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