JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course Overview: The subject deals with the materials and their properties, commonly used for the manufacturing various components in industry. The quantificational procedures of property estimations and the study of various phase diagrams of alloy materials .The ferrous materials and Non Ferrous materials, their properties and applications in the industries are incorporated. The importance of composite materials and ceramics are included.

The course is designed for the Second year first semester students. The course will provide an over view of the study of basic knowledge of various materials and their properties, applications.

The Study of basic alloy systems formation and their phase diagrams. The strengthening mechanisms of various alloys.

At the end of the course, the student is expected to possess knowledge in various materials and their properties.

Selection of materials based on their applications. Developing new materials and their testing methods of property evaluation. Pre- requisites: Thorough knowledge of Basic Mathematics & Physics.

Course Objectives:

• 1. To prepare students to demonstrate basic knowledge in mathematics, science and engineering.
• 2. To prepare students to excel their the ability to identify, formulate and solve mechanical
• 3. Engineering problems.
• 4. To prepare students should be capable of self-education and clearly understand the value of life-long learning.
• 5. To prepare students, will be broadly educated and will have an understanding of the impact of engineering on society and demonstrate awareness of contemporary issues.
• 6. To inculcate in students, the ability to design a system to meet desired needs within environmental,
• 7. Economic, political, ethical health and safety, manufacturability and management knowledge and techniques to estimate time, resources to complete a project.

Course Outcomes:

• 1. An ability to apply knowledge of mathematics, science and engineering, to understand different materials and their properties.
• 2. An ability to design a system, component or process to meet desired needs within, realistic constraints such as economic , safety, manufacturability and sustainability etc.., while selecting a material to manufacture the designed components.
• 3. An ability to identify the phases and their interrelationship in different alloy systems.
• 4. A recognition of the need for, and an ability to engage in lifelong learning with the concepts of composite, ceramic and nano materials for practical application

UNIT - I

Ferrous And Non – Ferrous Metals And Alloys: Structure and properties of White Cast iron, Malleable Cast iron, grey cast iron, Spheriodal graphite cast iron, Alloy cast irons. Classification of steels, structure and properties of plain carbon steels, Low alloy steels, Structure and properties of copper and its alloys, Aluminium and its alloys.

UNIT - II

Equilibrium Diagrams: Experimental methods of construction of equilibrium diagrams, Isomorphous alloy systems, equilibrium cooling and heating of alloys, Lever rule, coring miscibility gaps, eutectic systems, congruent melting intermediate phases, peritectic reaction. Transformations in the solid state – allotropy, eutectoid, peritectoid reactions, phase rule, relationship between equilibrium diagrams and properties of alloys. Study of important binary phase diagrams of Cu-Ni-, Al-Cu, Bi-Cd, Cu-An, Cus-Sn and Fe-Fe3C.

UNIT - III

Metals and Alloys: Heat treatment of steels, cold, hot working of metals, recovery, and recrystallization and grain growth. Microstructure, properties and applications of ferrous and non-ferrous alloys, Effect of alloying elements on Fe-Fe3C system, Annealing, normalizing, Hardening, TTT diagrams, tempering, Hardenability, surface - hardening methods, Age hardening treatment, Cryogenic treatment of alloys.

UNIT - IV

Diffusion: Fick’s laws and application of diffusion in sintering, doping of semiconductors and surface hardening of metals.

UNIT - V

Ceramics: Structure, properties, processing and applications of traditional and advanced ceramics. Polymers: Classification, polymerization, structure and properties, additives for polymer products, processing and applications. Composites: Properties and applications of various composites.

TEXT BOOKS:

• 1. Introduction to Physical Metallurgy / Sidney H. Avener.
• 2. Essential of Materials Science and engineering/ Donald R. Askeland/Thomson.
• 3. Elements of Material Science / V. Rahghavan

REFERENCES:

• 1. Material Science and Metallurgy / Kodgire.
• 2. Science of Engineering Materials / Agarwal
• 3. Materials Science and Engineering / William and Callister.
• 4. An introduction to materials Science / W. G. Vinas & HL Mancini
• 5. Material science & material / C. D. Yesudian & Harris Samuel
• 6. Engineering Materials and Their Applications – R. A Flinn and P K Trojan / Jaico Books.
• 7. Engineering materials and metallurgy / R. K. Rajput/ S. Chand.