An-Najah Staff

Course title and number

Materials Science (64311), 3 Credits, Compulsory course

Prerequisites

23102

Semester- Year

1^st Semester 2010-2011

Time & Place

9-10 Sunday, Tuesday & Thursday. 111190

Instructor

Eng. Shadi Sawalha

E-mail & office

engsawalha@najah.edu    Office: 1320

Course

Contents

1. Introduction

1.1. Historical Perspective, 1.2. Materials Science and Engineering,1.3. Why Study Materials Science and Engineering?  1.4. Classification of Materials , 1.5. Advanced Materials,. 1.6 Modern Materials’ Needs

3. The Structure of Crystalline Solids

3.1 Introduction

CRYSTAL STRUCTURES

3.2. Fundamental Concepts, 3.3. Unit Cells, 3.4. Metallic Crystal Structures, 3.5. Density Computations, 3.6. Polymorphism and Allotropy

CRYSTALLINE AND NONCRYSTALLINE

MATERIALS

3.13. Single Crystals ,3.14. Polycrystalline Materials ,3.15. Anisotropy, 3.17 Noncrystalline Solids

4. Imperfections in Solids 

4.1. Introduction

POINT DEFECTS

4.2. Vacancies and Self-Interstitials ,4.3. Impurities in Solids, 4.4. Specification of Composition

M ISCELLANEOUS IMPERFECTIONS

4.5. Dislocations–Linear Defects ,4.6. Interfacial Defects, .4.7 Bulk or Volume Defects ,4.8. Atomic Vibrations

MICROSCOPIC EXAMINATION

4.9.General, 4.10.Microscopic Techniques, 4.11. Grain Size Determination

6. Mechanical Properties of Metals

6.1. Introduction, 6.2. Concepts of Stress and Strain

ELASTIC DEFORMATION

6.3. Stress-Strain Behavior , 6.4. Anelasticity, 6.5. Elastic Properties of Materials

PLASTIC DEFORMATION

6.6.Tensile Properties, 6.7.True Stress and Strain, 6.8.Elastic Recovery after Plastic Deformation, 6.9.Compressive, Shear, and Torsional Deformation, 6.10.Hardness

PROPERTY VARIABILITY AND DESIGN/SAFETY

F ACTORS

6.11.Variability of Material Properties, 6.12.Design/Safety Factors

7. Dislocations and Strengthening Mechanisms

7.1.Introduction

DISLOCATIONS AND PLASTIC

DEFORMATION

7.2.Basic Concepts , 7.3.Characteristics of Dislocations ,

MECHANISMS OF STRENGTHENING IN METALS

7.8.Strengthening by Grain Size Reduction, 7.9 Solid-Solution Strengthening 7.10.Strain Hardening

RECOVERY , RECRYSTALLIZATION, AND GRAIN

GROWTH

7.11.Recovery, 7.12. Recrystallization, .7.13 Grain Growth

8. Failure

8.1 Introduction

FRACTURE

8.2 Fundamentals of Fracture, 8.3. Ductile Fracture, .8.4 Brittle Fracture, 8.5. Principles of Fracture Mechanics, 8.6. Impact Fracture Testing

FATIGUE

8.7. Cyclic Stresses, .8.8 The S–N Curve, 8.9. Crack Initiation and Propagation, 8.10. Factors That Affect Fatigue Life, 8.11. Environmental Effects

CREEP

8.12. Generalized Creep Behavior, 8.13. Stress and Temperature Effects, 8.14. Data Extrapolation Methods , 8.15. Alloys for High-Temperature Use

9. Phase Diagrams

9.1. Introduction

DEFINITIONS AND BASIC CONCEPTS

9.2. Solubility Limit, 9.3. Phases, 9.4. Microstructure, 9.5. Phase Equilibria, 9.6. One-Component (or Unary) Phase Diagrams

BINARY PHASE DIAGRAMS

9.7. Binary Isomorphous Systems, 9.8. Interpretation of Phase Diagrams,   9.9. Development of Microstructure in Isomorphous Alloys, 9.10. Mechanical Properties of Isomorphous Alloys, 9.11. Binary Eutectic Systems, 9.12. Development of Microstructure in Eutectic Alloys, 9.13. Equilibrium Diagrams Having Intermediate Phases or Compounds, 9.14. Eutectic and Peritectic Reactions, 9.17 The Gibbs Phase Rule

THE IRON–CARBON SYSTEM

9.18. The Iron–Iron Carbide (Fe–Fe₃C) Phase Diagram, 9.19. Development of Microstructure in Iron–Carbon Alloys,  9.20. The Influence of Other Alloying Elements

11. Applications and Processing of Metal Alloys

11.1. Introduction

TYPES OF METAL ALLOYS

11.2 Ferrous Alloys, 11.3. Nonferrous Alloys

FABRICATION OF METALS

11.4. Forming Operations. 11.5. Casting, 11.6. Miscellaneous Techniques

THERMAL PROCESSING OF METALS

11.7.  Annealing Processes, 11.8. Heat Treatment of Steels, 11.9. Precipitation Hardening

Course Objectives and description

This course aims to introduce students into engineering materials and the relation between their properties and uses including: materials classification, crystal structures of metals, mechanical properties, failure and mechanics of fracture, strengthening mechanisms, metallic phase diagrams, alloy systems and heat treatment methods for ferrous and non-ferrous alloys. And give students an ability to use these principles and information in design of structures and equipments

Learning

Outcomes and

Competences

At the end of this course students should be able to;

1. Have a knowledge about material types and properties
2. Understanding metallic crystal structures and their relation with properties
3. Have an ability to define metallic defects and understanding their effects on metal durability’s
4. Understand the mechanical properties and the measuring methods
5. Understand the principle of dislocations and the strengthening mechanisms
6. Be familiar with phase diagrams and use them in determining different important phenomena as melting, solidification, recrystallization and heat treatment of metallic alloys
7. Characterize the metallic alloys, properties and applications
8. Understand the heat treatment methods of ferrous and non ferrous alloys

Textbook

Textbook: William D. Callister, Jr., “Materials Science and

                 Engineering, an Introduction” John Willey & Sons,

                 Inc., 7^th Edition, 2007

Assessment Criteria

Percent (%)

1^st Midterm Exam

25

2^nd Midterm Exam

25

Final Exam

50