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Conductive nanocomposite ceramics as tribological and electrical contact materials

Published online by Cambridge University Press:  22 December 2009

Å. Öberg ,
Å. Kassman ,
B. André ,
U. Wiklund ,
M. Lindquist ,
E. Lewin ,
U. Jansson ,
H. Högberg ,
T. Joelsson  and
H. Ljungcrantz
Å. Öberg*
Affiliation:
ABB Corporate Research, Västerås, Sweden
Å. Kassman
Affiliation:
Uppsala University, Department of Engineering Sciences, Uppsala, Sweden
B. André
Affiliation:
Uppsala University, Department of Engineering Sciences, Uppsala, Sweden
U. Wiklund
Affiliation:
Uppsala University, Department of Engineering Sciences, Uppsala, Sweden
M. Lindquist
Affiliation:
ABB Corporate Research, Västerås, Sweden Uppsala University, Department of Engineering Sciences, Uppsala, Sweden
E. Lewin
Affiliation:
Uppsala University, Department of Materials Chemistry, Uppsala, Sweden
U. Jansson
Affiliation:
Uppsala University, Department of Materials Chemistry, Uppsala, Sweden
H. Högberg
Affiliation:
Linköping University, Department of Physics, Chemistry and Biology, Linköping, Sweden Impact Coatings AB, Linköping, Sweden
T. Joelsson
Affiliation:
Impact Coatings AB, Linköping, Sweden
H. Ljungcrantz
Affiliation:
Impact Coatings AB, Linköping, Sweden
*
ake.oberg@se.abb.com
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Abstract

Conductive ceramics have widespread use in many industrial applications. One important application for such materials is electrical contact technology. Over the last few years, a new class of nanocomposite ceramic thin film materials has been developed with contact coatings as one key objective. This family of materials has proven to combine the favorable contact properties of metals, such as low electrical and thermal resistivity, and high ductility, with those of ceramics such as low friction and wear rate, high chemical integrity and good high-temperature properties. Furthermore, it is also found that the tribological properties of such materials can be tailored by alloying thus creating a triboactive system. The technology is now industrialized, and a practical example of a contact system utilizing a nanocomposite coating for improved performance is given.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 49 , Issue 2: International Conference on Electrical Contacts (ICEC 2008) , February 2010 , 22902
Copyright
© EDP Sciences, 2009

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