Braunovic - Electrical Contacts - Fundamentals, Applications and Technology [missing index] (CRC, 2007).pdf - Najnowsze ksiazki(48) - walbo48

q 2006 by Taylor & Francis Group, LLC

q 2006 by Taylor & Francis Group, LLC

Preface

The multidisciplinary study of the electrical contact in modern engineering is signiﬁcant, but often

neglected. The scientist and engineers who have spent their professional lives studying and

applying electrical contacts know that these components are critical to the successful operation of

all products that use electricity. In our civilization, all electricity transmission and distribution, most

control, and most information exchange depends upon the passage of electricity through an

electrical contact at least once. The failure of an electrical contact has resulted in severe

consequences, e.g., an energy collapse of a megapolis, a failure of the telephone system, and even

the crash of an airplane.

Ragnar Holm, the prominent researcher, renowned engineer, and inventor, developed the validity

of “electrical contacts” as its own technical discipline with his book Electric Contacts (1958). The

50 years following its publication have given a ﬁrm conﬁrmation of the accuracy of his predictions

and conclusions. Since that time, however, there has been a huge increase in the application of

electrical contacts. For example, the era of the information highway and the development of the

integrated circuit have created new challenges in the use of electrical contacts. The use of electrical

contacts on the microscopic scale presents numerous problems never considered by previous

generations of researchers and engineers. The future MEMS/NEMS technology is another area

where the theory and practice of the electrical contact is of critical importance.

The purpose of the authors has been to combine the progress in research and development in the

areas of mechanical engineering and tribology, which Holm postulated to be key segments in

electrical contacts, with the new data on electrical current transfer, especially at the

micro/nanoscale.

This book complements the recent volume Electrical Contacts: Principles and Applications

(published by Marcel Dekker, 1999). It takes a practical applications approach to the subject and

presents valuable design information for practicing mechanical and electrical engineers. In fact, the

information contained here will serve as an excellent source of information not only for anyone

developing equipment that uses electricity, but for postgraduate students who are concerned about

the passage of current from one conductor to another.

The authors of this book have many years of research and practical experience. One unusual and

interesting aspect of the book’s development is that it comes through the cooperation of the

different approaches to the subject from the West and the East. They have succeeded in making the

bulk of research and engineering data equally clear for all the segments of the international

audience.

Paul G. Slade

Ithaca, New York

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The Authors

Dr. Milenko Braunovi ´ received his Dipl. Ing degree in technical physics

from the University of Belgrade, Yugoslavia, in 1962 and the M.Met. and

Ph.D. degrees in physical metallurgy from the University of Shefﬁeld,

England in 1967 and 1969, respectively. From 1971 until 1997, he was

working at Hydro-Qu ´ bec Research Institute (IREQ) as a senior member of

the scientiﬁc staff. He retired from IREQ in 1997 and established his own

scientiﬁc consulting company, MB Interface. From 1997 until 2000 he was

consulting for the Canadian Electricity Association as a technology

advisor. He is presently R&D manager with A.G.S. Taron Technologies in

Boucherville, QC, Canada.

During the last 30 years, Dr. Braunovi ´ has been responsible for the development and

management of a broad range of research projects for Hydro-Qu´bec and the Canadian Electrical

Association in the areas of electrical power contacts, connector design and evaluation, accelerated

test methodologies, and tribology of power connections. He has also initiated and supervised the

R&D activities in the ﬁeld of shape-memory alloy applications in power systems. Dr. Braunovi ´ is

the author of more than 100 papers and technical reports, including contributions to encyclopaedias

and books, in his particular areas of scientiﬁc interests. In addition, he frequently lectures at

seminars world wide and has presented a large number of papers at various international

conferences.

For his contributions to the science and practice of electrical contacts, Dr. Braunovi´ received the

Ragnar Holm Scientiﬁc Achievement Award in 1994, and for his long-term leadership and service

to the Holm Conference on Electrical Contacts he received, in 1999, the Ralph Armington

Recognition Award. He is also a recipient of the 1994 IEEE CPMT Best Paper Award. He

successfully chaired the Fifteenth International Conference on Electrical Contacts held in Montreal

in 1990, and was a technical program chairman of the Eighteenth International Conference on

Electrical Contacts held in Chicago in 1996. He is a senior member of the Institute of Electronics

and Electrical Engineers (IEEE), the American Society for Metals (ASM), the Materials Research

Society (MRS), the Planetary Society, the American Society for Testing of Materials (ASTM), and

The Minerals, Metals & Materials Society (TMS).

Dr. Valery Konchits was born on January 3, 1949 in the city of Gomel,

Belarus. He graduated from Gomel State University in 1972. He received

his Ph.D. degree in tribology from the Kalinin Polytechnic Institute, Russia

in 1981.

In 1972, he joined the Metal-Polymer Research Institute of the National

Academy of Sciences of Belarus in Gomel. In 1993, he became the head of

the laboratory in the Tribology Department. Since 2001, Dr. Konchits has

been Deputy Director of the Metal-Polymer Research Institute.

The scientiﬁc interests of Dr. Konchits lie mainly in electrical

contacts’ friction and wear, contact phenomena at their interfaces, and

electrophysical diagnostic methods of friction. He is the author of more

than 80 papers and holds 10 patents. He is also the co-author of a monograph in Russian, “Tribology

of electrical contacts” (authors: Konchits V.V., Meshkov V.V., Myshkin N.K., 1986, Minsk).

q 2006 by Taylor & Francis Group, LLC

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