Civil Engineering Materials (CE 103): Chapter 8 Metals and Alloys Notes 2025 | Study Material
CIVIL ENGINEERING MATERIALS (CE 103) - Metals and Alloys
CIVIL ENGINEERING MATERIALS (CE 103)
Chapter 8: Metals and Alloys | 4 Hours | 4 Marks

CIVIL ENGINEERING MATERIALS (CE 103): Metals and Alloys

Metals and Alloys in Construction

Welcome to Chapter 8 of Civil Engineering Materials (CE 103). This module is dedicated to the study of Metals and Alloys, which are fundamental to structural engineering and modern construction.

In this chapter, we delve into the world of ferrous and nonferrous metals, exploring their classification, properties, and specific uses in engineering. From the ubiquitous steel used in reinforcement to specialized nonferrous metals like aluminum and copper, understanding their characteristics is essential.

We will also cover the critical processes of heat treatment—including annealing, quenching, and tempering—that modify metal properties to suit specific needs. Furthermore, we will examine the theory of corrosion and the various prevention methods used to ensure the longevity of metallic structures.

Chapter 8 Syllabus: Metals and Alloys

Chapter 8: Metals and Alloys
4 hours
4 Marks

8. Metals and Alloys (4 hours)

8.1 Metals:

8.1.1 Classification (ferrous and nonferrous metals)

8.1.2 Properties (physical, chemical, mechanical, electrical, thermal, magnetic)

8.2 Sources, composition, properties and uses of ferrous metals:

8.2.1 Pig iron

8.2.2 Cast iron

8.2.3 Wrought iron

8.2.4 Steel

8.2.5 Alloys of steel

8.3 Sources, properties and uses of nonferrous metals:

8.3.1 Aluminum, copper, lead, tin, zinc, magnesium, nickel

8.4 Heat treatment process and its importance in metals:

8.4.1 Annealing, normalizing, quenching or hardening, tempering

8.4.2 Surface hardening (case hardening, nitriding, cyaniding, flame/induction/laser hardening)

8.4.3 Defects in heat treatments

8.5 Commercial forms of metals and their uses:

8.5.1 Sheets, channel sections (I, C, angle, tubular), bars

8.6 Corrosion and its prevention in steel:

8.6.1 Theory of corrosion and its prevention with enameling

8.6.2 Applying metal coatings: galvanizing, tin plating, electroplating

8.6.3 Applying coatings: painting and tarring

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