NDLI: Nanocomposites TiB$_{2}$-Cu: Consolidation and erosion behavior

Content Provider	Springer Nature Link
Author	Kim, J. S. Kwon, Y. S. Dudina, D. V. Lomovsky, O. I. Korchagin, M. A. Mali, V. I.
Copyright Year	2005
Abstract	In this work we report consolidation and erosion behavior of TiB$_{2}$-Cu nanocomposites showing increased stability during electric erosion in high-current arc discharge. Composite powders containing nanoparticles of titanium diboride distributed in copper matrix were synthesized using high-energy ball milling and then shock wave consolidated to obtain fully dense compact electrode material with retention of the size of particulate inclusions. Copper weight losses by evaporation in composite electrodes were 10 times lower compared to pure copper electrodes and arc spot size was about an order of magnitude increased indicating distribution of arc on a larger surface. Porous Cu-depleted layer was formed on the surface of composite electrode and no copper melt was observed to squeeze out on the surface so that the electrode held its shape and size. The improved erosion resistance of the electrode material is believed to be due to its nanocomposite structure.
Starting Page	3491
Ending Page	3495
Page Count	5
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	40
Issue Number	13
e-ISSN	15734803
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2005-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer Sciences Materials Science Characterization and Evaluation Materials Mechanics Crystallography Continuum Mechanics and Mechanics of Materials
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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