Titanium Alloys: An Atlas of Structures and Fracture Features

247 Pages·2006·6.14 MB·English

by  Vydehi Arun Joshi

TITANIUM
ALLOYS
An Atlas of Structures
and Fracture Features

TITANIUM
ALLOYS
An Atlas of Structures
and Fracture Features
Vydehi Arun Joshi
Boca Raton London New York
A CRC title, part of the Taylor & Francis imprint, a member of the
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Published in 2006 by
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International Standard Book Number-10: 0-8493-5010-7 (Hardcover)
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Library of Congress Cataloging-in-Publication Data
Joshi, Vydehi Arun.
Titanium alloys : an atlas of structures and fracture features / Vydehi Arun Joshi.
p. cm.
Includes bibliographical references and index.
ISBN 0-8493-5010-7 (9780849350108)
1. Titanium alloys--Fracture. I. Title.
TA480.T54J67 2006
620.1'893226--dc22 2005022915
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Dedication
To my husband Arun S. Joshi;
my brother Dr. N. Narakanti Rao; and
my sisters Shanta, Saroja, and Neeraja.

Foreword
Titanium and its alloys find application in aerospace, the that produced failure. It is, therefore, a book that will be
chemical and power industries, transportation, armament, used by researchers as well as those engaged in failure
and sports, but it is primarily the former that has driven analysis of titanium components in the aeronautical industry.
the development of this material. This wonderful book The author combines wide experience in the use of
documents the fractography of a set of aeronautical-grade scanning electron microscopy in fracture analysis with an
titanium alloys that failed in the laboratory under a wide eye for detail that has led to several award-winning micro-
variety of controlled testing conditions. The compositions graphs and fractographs over the years. The book, there-
span the range of different classes of titanium alloys — fore, combines scientific detail with aesthetic appeal. As
alpha, alpha/beta, and beta — as well as the titanium someone who has been involved in developing the under-
aluminides that have been researched at the Defence Met- standing of physical metallurgy of titanium and its alloys,
allurgical Research Laboratory (DMRL) in India over the I am very happy to see the publication of this edition. It
years or that have been produced at Mishra Dhatu Nigam is important that the database that constitutes this book be
Limited (Midhani). The book, therefore, covers the updated periodically as new alloys and applications of
breadth and the range of titanium alloys that are used in titanium emerge. I am sure that the DMRL and Midhani
India, as well as internationally. However, the book is also will be at the forefront of these efforts in India, and I
more than a simple fractographic handbook, since it doc- would love to see a Web edition of the book that reaches
uments the underlying microstructure and test conditions a wide audience and that could be updated in a regular
that produced the fracture, together with a brief descrip- manner.
tion of the special fractographic features associated with
each combination of alloy, microstructure, and test con- Dipankar Banerjee, Ph.D.
dition. It is unique in that there is no document in the Chief Controller Research & Development (AMS)
literature today that captures the fractographic features of a Defence Research & Development Organisation
wide range of titanium alloys together with the conditions New Delhi, India

The Author
Vydehi Arun Joshi graduated from Osmania University in microscopy, where she still works as a scientist. She has
1967 and joined the Defence Metallurgical Research Labo- wide experience in microstructural characterization and frac-
ratory (DMRL) in the same year. She has been working at tography of different metals and alloys (titanium, nickel-
DMRL for the past 38 years. She completed her postgrad- based superalloys, aluminum, steels, and so forth) pertaining
uate studies and holds an M.Tech. degree from the Institute to various DMRL projects. She has also won numerous
of Technology, Banaras Hindu University, Varanasi. After a prizes in the metallography contests that are held annually
decade of service in the Optical Metallography Group, she by the Indian Institute of Metals, and she has several national
switched to the field of transmission and scanning electron and international publications to her credit.