Laser Cladding

Laser Cladding

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by Ehsan Toyserkani, Amir Khajepour, Stephen F. Corbin
     
 

Capitalizing on the rapid growth and reduced costs of laser systems, laser cladding is gaining momentum, and in some instances replacing conventional techniques of depositing thin films because it can accommodate a great variety of materials, achieve uniform thickness and precise widths of layers, and provide improved resistance to wear and corrosion in the final

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Overview

Capitalizing on the rapid growth and reduced costs of laser systems, laser cladding is gaining momentum, and in some instances replacing conventional techniques of depositing thin films because it can accommodate a great variety of materials, achieve uniform thickness and precise widths of layers, and provide improved resistance to wear and corrosion in the final product. Laser cladding technology also offers a revolutionary layered manufacturing and prototyping technique that can fabricate complex components without intermediate steps.

Laser Cladding reviews the parameters, techniques and equipment, process modeling and control, and the physical metallurgy of alloying and solidification during laser cladding. The authors clarify the interconnections laser cladding has with CAD/CAM design; automation and robotics; sensors, feedback, and control; physics, material science, heat transfer, fluid dynamics, and powder metallurgy to promote further development and improved process quality of this growing technology. As the first book entirely dedicated to the topic, it also offers a history of its development and a guide to applications and market opportunities.

While a considerable part of Laser Cladding is dedicated to industrial applications, this volume brings together valuable information illustrated with real case studies based on the authors' vast experience, and research and analysis in the field to provide a timely source for both academia and industry.

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Product Details

ISBN-13:
9780849321726
Publisher:
Taylor & Francis
Publication date:
06/28/2004
Pages:
280
Product dimensions:
6.40(w) x 9.50(h) x 0.79(d)

Table of Contents

INTRODUCTION
What is Laser Cladding?
Different Names, Same Technology
Why Laser Cladding?
History of Laser Cladding
Applications and Market Opportunities
Future Direction of Laser Cladding Technology
Looking Ahead

BACKGROUNDS AND BASIC OVERVIEWS
Laser Material Techniques
Differences Between Laser Cladding, Alloying and Glazing
Different Methods of Laser Cladding
Clad Dimensional Characteristics
Important Parameters in Laser Cladding by Powder Injection
Combined Parameters
Comparison Between Laser Cladding and Other Metallic Coating Techniques
Comparison Between Laser Cladding and Other Prototyping Techniques

LASER CLADDING EQUIPMENT
Lasers
Powder Feeders and Powder Delivery Nozzles
Positioning Devices

LASER CLADDING PROCESS MODELING
Physics of the Process
Governing Equations
Laser Cladding Models in Literature
Lumped Models
Analytical Modeling
Numerical Modeling - A Case Study
Flow Field Modeling at the Exit of Coaxial Nozzle
Experimental-Based Modeling Techniques

CONTROL OF LASER CLADDING PROCESS
Sensors
Closed-Loop Control of Laser Cladding
Closed-Loop Control of Laser Cladding, An Example
Application of Knowledge-Based Control to Laser Cladding

PHYSICAL METALLURGY AND MATERIAL SYSTEMS OF LASER CLADDING
Cladability
Solidification Conditions Encounter in Laser Cladding
Material Systems Used in Laser Cladding

SAFETY
Laser Classification
Laser Hazards
Powder Hazards

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