MM (Diploma Mechanical Engineering 4th)

1. Introduction (07 hrs)

Material, History of Material Origin, Scope of Material Science, Overview of

different engineering materials and applications, Classification of materials,

Thermal, Chemical, Electrical, Mechanical properties of various materials,

Present and future needs of materials, Overview of Biomaterials and semi- conducting materials, Various issues of Material Usage-Economical, Environment

and Social.

2. Crystallography (07 hrs)

Fundamentals: Crystal, Unit Cell, Space Lattice, Arrangement of atoms in

Simple Cubic Crystals, BCC, FCC and HCP Crystals, Number of atoms per unit

Cell, Atomic Packing Factor.

Deformation: Overview of deformation behaviour and its mechanisms, behaviour

of material under load and stress-strain.

Failure Mechanisms: Overview of failure modes, fracture, fatigue and creep.

3. Metals And Alloys (14 hrs)

Introduction: History and development of iron and steel, Different iron ores,

Raw Materials in Production of Iron and Steel, Basic Process of iron-making and

steel-making, Classification of iron and steel,

Cast Iron: Different types of Cast Iron, manufacture and their usage.

Steels: Steels and alloy steel, Classification of plain carbon steels, Availability,

Properties and usage of different types of Plain Carbon Steels, Effect of various

alloys on properties of steel, Uses of alloy steels (high speed steel, stainless

steel, spring steel, silicon steel)

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Non Ferrous Materials: Properties and uses of Light Metals and their alloys,

properties and uses of White Metals and their alloys.

4. Theory of Heat Treatment (08 hrs)

Purpose of heat treatment, Solid solutions and its types, Iron Carbon diagram,

Formation and decomposition of Austenite, Martensitic Transformation – Simplified Transformation Cooling Curves various heat treatment processes- hardening, tempering, annealing, normalizing, Case hardening and surface

hardening, Types of heat treatment furnaces required for above operations (only

basic idea)

5. Engineering Plastics (03 hrs)

Important sources of plastics, Classification-thermoplastic and thermo set and their

uses, Various Trade names of engg. Plastics, Plastic Coatings.

6. Advanced Materials (03 hrs)

Composites-Classification, properties, applications

Ceramics-Classification, properties, applications

Heat insulating materials

7. Miscellaneous Materials (06 hrs)

Properties and uses of Asbestos, Glass wool, thermocole, cork, mica. Overview of

tool and die materials, Materials for bearing metals, Spring materials, Materials for

Nuclear Energy, Refractory materials.