Applied Engineering Materials Lab

P 2 C 1

Internal Evaluation: as per university examination norms. End Term Practical Examination: as per university examination norms.

Practical component of Applied Engineering Materials (AR109). The document publishes no separate unit-wise syllabus for this lab; the practical list is notified by the teacher, and the units below are the theory paper's.

Course outcomes (same as AR109)

• Ability of students to understand the basic concepts of engineering materials, their structure and properties. [K2, K3]
• Ability of students to understand and analyze the properties and applications of metals. [K2,K3,K4]
• Ability of students to understand and analyze the properties and applications of nonmetals, composites and smart materials. [K2,K3,K4]
• Ability of students to understand about the characterization techniques and their implications to analyze the materials to be applied in different fields. [K2,K3,K4,K5]

Unit I

Introduction to Engineering Materials:Types of Materials: Metals, ceramics, polymers, semiconductors and composites and their structure, properties, and typical applications. Bonding and Structure: Metallic, covalent, ionic, and van der Waals bonds; implications for material behaviour. Crystallography: Study unit cell configurations, crystal lattices, grain boundaries, and common defects like vacancies and dislocations. Mechanical Behaviour: study of stress-strain curves, modulus of elasticity, yield and tensile strength, ductility, hardness, brittleness, toughness and fatigue; Nanomaterials: Properties at the nanoscale, top-down vs. bottom-up fabrication.

Unit II

Metals and Alloys: Metals, Phase diagrams, Gibb’s phase rule, Unary and binary phase diagrams, Fe-Fe3 C phase diagram; ferrous metals: cast irons, effect of alloying element on iron, relationship between the phase diagrams and properties of alloys, Time temperature transformation (TTT) diagram, heat treatment of steels: annealing, normalizing, hardening, tempering, case hardening, high strength low alloy steel (HSLA), non-ferrous metal alloys: aluminium alloys, brasses, bronzes etc. Shape Memory Alloys.

Unit III

Non-metals, Composites and Smart Materials: Ceramics: properties, classification, and applications, Glasses: composition, characteristics, and engineering uses; Polymers: thermoplastics, thermosets, elastomers; basic properties and applications. Composites: Matrix and reinforcement, classification of composites: particle-reinforced, fiber-reinforced, hybrid composites, metal matrix composites, ceramic matrix composites, polymer matrix composites, carbon-carbon composites and nano-composites. Smart materials: Piezoelectric, thermoelectric, and optoelectronic materials, thermochromic, electrochromic, and photochromic materials.

Unit IV

Characterization of Materials: Microscopy Techniques: Principles, magnification, resolution limits of Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM). Spectroscopy Techniques: Energy Dispersive X-ray Spectroscopy (EDS/EDX): Elemental composition in conjunction with SEM; Infrared Spectroscopy (IR) and UV-Visible Spectroscopy; X-ray Diffraction (XRD); Mechanical and surface characterization: Hardness, tensile and impact testing, surface roughness and wettability.