Description

Thermal treatment of materials occupies a significant, increasing proportion of MSE activity and is an integral component of modern curricula as well as a highly monetized component of industrial production. Laser processing of materials offers advantages over conventional methods of processing. Some of these advantages include fast processing, precision of operation, low cost and local treatment. Analytical modeling of laser processing gives insight into the physical and mathematical aspects of the problem and provides useful information on process optimization. This work from Professor Yilbas, a world-recognized expert in laser materials processing, provides the necessary depth and weight of analysis, collating mathematical and physical modeling and experimentation with the necessary discussion of applications. It meets coherence in topics with high technical quality. It encompasses the basics of laser processing and provides an introduction to analytical modeling of the process. Fundamentals and formulation of the heating process are presented for numerous heating conditions.

Key Features

  • Detailed analytical solutions for laser heating problems (including thermal stress) aids analysis of linkage between process parameters, such as laser pulse and laser intensity, and material response, such as temperature and stress
  • Encompasses practical solutions to thermal heating problems (unlike the length solutions of numerical schemes)
  • Extensive fourier and non-fourier treatments and consequent analysis provides improved understanding of mathematical transformations

Readership

Academicians, researchers, engineers, and graduate students. This book will be written for materials processing specialists, be they graduate students, faculty from academic institutions and those who work on lasers in industry. The lowest academic level required is B.Sc./BEng (Bachelor of Science or Engineer)

Table of Contents

Dedication

Preface

Acknowledgement

Chapter 1. Introduction to Laser Heating Process

REFERENCES

Chapter 2. Conduction-Limited Laser Pulsed Laser Heating

2.1 Introduction to Heat Generation Due to Absorption of Incident Laser Beam

2.2 Temperature Field Due to Laser Step Input Pulse Heating

2.3 Thermal Efficiency of Heating Process

2.4 Results and Discussion

REFERENCES

Chapter 3. Nonconduction-Limited Pulsed Laser Heating

3.1 Introduction to Nonconduction-Limited Heating

3.2 Step Input Pulse Heating: Melting and Evaporation at the Surface

3.3 Exponential Pulse Heating: Evaporation at the Surface

3.4 Time Integration of Heating

3.5 Two-Dimensional Heating

3.6 Entropy Generation Due to Laser Pulse Heating

3.7 Results and Discussion

REFERENCES

Chapter 4. Laser Cutting Process

4.1 Introduction to Laser Cutting

4.2 Closed-Form Solution to Laser Cutting Process

4.3 Lump Parameter Analysis for Cutting Process

4.4 Analysis for Heat Transfer to Liquid Metals with the Presence of Assisting Gas

4.5 Results and Discussion

REFERENCES

Chapter 5. Thermal Stress Analysis

5.1 Introduction

5.2 Step Input Pulse and Thermal Stress

5.3 Exponential Pulse Heating and Thermal Stress

5.4 Exponential Pulse Heating and Thermal Stresses – Elasto-Plastic Analysis

5.5 Thermal Stress and Entropy Generation Due to Exponential Pulse Heating

5.6 Results and Discussion

REFERENCES

Chapter 6. Laser Short-Pulse Heating

6.1 Introduction to Nonequilibrium Heating

6.2 Exact Solution of Cattaneo’s Equation

6.3 Laser Short-Pulse Heating and Application of Perturbation Method

6.4 Application of Symmetries and Similarity Transformation to Laser Short-Pulse Heating

6.5 Application of

Details

No. of pages:
280
Language:
English
Copyright:
© 2012
Published:
Imprint:
Elsevier
eBook ISBN:
9780124157910
Print ISBN:
9780124157828

About the author

Bekir Yilbas

Affiliations and Expertise

Mechanical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia