Preliminary communication

Copper matrix composites reinforced with volcanic tuff

J. Mikuła ; Cracow University of Technology, Institute of Materials Engineering, ul. Warszawska 24, 31-155 Cracow, Poland
M. Łach ; Cracow University of Technology, Institute of Materials Engineering, ul. Warszawska 24, 31-155 Cracow, Poland
J. S. Kowalski ; Cracow University of Technology, Institute of Materials Engineering, ul. Warszawska 24, 31-155 Cracow, Poland

Abstract

This paper presents a manufacturing method, properties and possible use of copper matrix composites reinforced with particles of volcanic tuff. The composites were obtained by powder metallurgy and reinforced with Filipowice tuff mined near Cracow, Poland. The influence of tuff particles content on the properties of the copper matrix composites such as conductivity, durability and microstructure was assessed. Tuff was introduced into a copper matrix in an amount of 5, 15 and 30 % by volume. The composites were used to prepare the nozzle tips of resistance welding electrodes, and initial tests were performed of the behavior and stability of the materials during the welding process of steel sheet.

Keywords

copper composite; powder metallurgy; tuff

Hrčak ID:

126716

URI

https://hrcak.srce.hr/126716

Publication date:

1.1.2015.

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