Surface modified biochemical titanium alloys / Aravind Vadiraj and M. Kamaraj.

Format:

Book

Author/Creator:

Vadiraj, Aravind.

Contributor:

Kamaraj, M.

Series:

Materials Science and Technologies

Materials science and technologies series

Language:

English

Subjects (All):

Titanium alloys--Biocompatibility.

Surface preparation.

Physical Description:

1 online resource (144 p.)

Edition:

1st ed.

Place of Publication:

New York : Nova Science Publishers, c2010.

Language Note:

English

Summary:

The contents of this book cover objectives and scope, experimental conditions, results and discussion, and more, all relating to surface modified biochemical titanium alloys.

Contents:

Intro

SURFACE MODIFIED BIOMEDICAL TITANIUM ALLOYS

CONTENTS

ABSTRACT

Chapter 1 INTRODUCTION

1.1. MATERIALS

1.2. SURFACE ENGINEERING OF BIOMEDICAL IMPLANTS

1.3. IMPORTANCE OF SURFACE TREATMENTS FOR TITANIUM ALLOYS

1.4. FRETTING WEAR AND FRETTING FATIGUE

1.5. SCOPE OF THE PRESENT WORK

Chapter 2 LITERATURE REVIEW

2.1. PREFACE

2.2. BIOMATERIALS

2.3. TITANIUM ALLOYS FOR ORTHOPEDIC APPLICATIONS

2.4. TOTAL JOINT REPLACEMENT (TJR)

2.5. TOTAL HIP ARTHROPLASTY (THA)

2.6. FATIGUE FRACTURE OF TOTAL HIP PROSTHESIS

2.7. STRESS SHIELDING

2.8. FRETTING FATIGUE OF HIP PROSTHESES AND BONE PLATES

2.9. SURFACE ENGINEERING OF TITANIUM ALLOYS

2.9.1. Nitriding of Titanium Alloys

2.9.2. Processes of Surface Modification

2.9.2.1. Physical Vapor Deposition (PVD)

2.9.2.2. Plasma Nitriding (PN)

2.9.2.3. Laser Nitriding (LN)

2.9.2.4. Ion Implantation (II)

2.9.2.5. Thermal Oxidation (TO)

2.10. STUDIES ON SPECIFIC TITANIUM ALLOYS

2.10.1. Ti-6Al-4V (ASTM 1472)

2.10.2. Ti-6Al-7Nb (ASTM 1295)

2.11. DETAILS OF FRETTING WEAR AND FRETTING FATIGUE MECHANISMS

2.11.1. Fretting Wear

2.11.2. Mechanism of Fretting Wear Damage

2.12. FRETTING FATIGUE PROCESS

2.12.1. Mechanism of Fretting Fatigue Damage

2.12.2. Fretting Maps

2.12.3. The Effect of Variables on Fretting Process

2.12.3.1. Fretting Media

2.12.3.2. Frequency

2.12.3.3. Slip Amplitude

2.12.3.4. Normal Pressure

2.12.3.5. Hardness

2.12.3.6. Surface Finish

2.12.3.7. Contact Materials and Microstructure

2.12.3.8. Contact Configurations for Fretting Fatigue Tests

2.13. FATIGUE AND FRETTING FATIGUE STUDIES ON TITANIUM ALLOYS

2.14. ROLE OF SURFACE ON THE WEAR MECHANISM

Chapter 3 OBJECTIVES AND SCOPE

3.1. PREFACE

3.2. OBJECTIVES OF THE PROJECT.

3.3. SCOPE OF THE PROJECT

Chapter 4 EXPERIMENTAL CONDITIONS

4.1. PREFACE

4.2. SUBSTRATE MATERIALS

4.3. DETAILS OF SURFACE MODIFICATION PROCESSES

4.3.1. PVD TiN Coating

4.3.2. Plasma Nitriding

4.3.3. Laser Nitriding

4.3.4. Ion Implantation

4.3.5. Thermal Oxidation

4.4. FRETTING WEAR MACHINE DETAILS AND TESTING METHODOLOGY

4.5. FRETTING FATIGUE TEST

4.5.1. Machine Details and Test Rig Design

4.5.2. Designing of Proving Ring and Pad Holders

4.5.3. Calibration of Proving Ring and Fretting Pads

4.5.4. Fretting Fatigue Test

4.6. CHARACTERIZATION TECHNIQUES

4.6.1. Microscopic Examination

4.6.2. Microhardness Measurement

4.6.3. X-Ray Diffraction (XRD) Analysis

4.6.4. Scratch Test

4.6.5. Nano Indentation

4.6.6. Roughness Measurement

Chapter 5 RESULTS AND DISCUSSION

5.1. PREFACE

5.2. CHARACTERIZATION OF SUBSTRATE MATERIALS

5.2.1. Microstructural Details of Substrate Titanium Alloys

5.2.3. Nano Indentation Test

5.3. CHARACTERIZATION OF SURFACE MODIFIED LAYERS

5.3.1. PVD TiN Coating

5.3.2. Plasma Nitriding

5.3.3. Nitrogen Ion Implantation

5.3.4. Laser Nitriding

5.3.5. Thermal Oxidation (To)

5.4. FRETTING WEAR DAMAGE CHARACTERIZATION

5.4.1. Unmodified Alloy

5.4.2. PVD TiN Coating

5.4.3. Plasma Nitriding

5.4.4. Nitrogen Ion Implantation

5.4.5. Laser Nitriding

5.4.6. Thermal Oxidation

5.4.7. Comparative Study of Steady State Friction Coefficient and Wear Scar Diameters

5.4.8. Fretting Wear Scar Depth and Wear Rate Comparison

5.4.9. Comparison of Fretting Loops

5.5. CHARACTERIZATION OF FRETTING FATIGUE FAILURES

5.5.1. S-N Curve

5.5.2. Slip Amplitude

5.5.3. Fretting Fatigue Surface Damage Characterization

5.5.3.1 Unmodified Alloys

5.5.3.2. PVD TiN Coating

5.5.3.3. Plasma Nitriding

5.5.3.4. Ion Implantation.

5.5.3.5. Laser Nitriding

5.5.3.6. Thermal Oxidation

5.6. SOME IMPORTANT FEATURES OF FRETTING FATIGUE FAILURES

5.7. FRETTING FATIGUE PROCESS

Chapter 6 CONCLUSION

6.1. PREFACE

6.2. CHARACTERIZATION OF SURFACE COATINGS AND MODIFIED LAYERS

6.3. FRETTING WEAR TEST RESULTS

6.3.1. Unmodified Alloys

6.3.2. PVD Tin Coating

6.3.3. Plasma Nitriding

6.3.4. Ion Implantation

6.3.5. Laser Nitriding

6.3.6. Thermal Oxidation

6.3.7. Summary of Fretting Wear Results

6.4. FRETTING FATIGUE TEST RESULTS

6.4.1. S-N Curve

6.4.2. Slip Amplitude

6.4.3. Surface Damage Characterization

6.4.3.1. Unmodified Alloys

6.4.3.2. PVD Tin Coating

6.4.3.3. Plasma Nitriding

6.4.3.4. Nitrogen Ion Implantation

6.4.3.5. Laser Nitriding

6.4.3.6. Thermal Oxidation

6.4.3.7. Summary Results of Fretting Fatigue Tests

6.4.4. General Observations of Fretting Fatigue Failures

REFERENCES

INDEX

Blank Page.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

Description based on print version record.

ISBN:

1-61209-354-X

OCLC:

694361456