Microstructure and hardness of copper powder consolidated by plasma pressure compaction View Full Text


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Article Info

DATE

2001-08

AUTHORS

T. S. Srivatsan, B. G. Ravi, A. S. Naruka, L. Riester, S. Yoo, T. S. Sudarshan

ABSTRACT

Bulk fine-grained copper samples were prepared by consolidating copper powders using the technique of plasma pressure compaction (P2C). The specimens were obtained by consolidating the powder particles under conditions of electrical pulse and no-electrical pulse and at two different temperatures. Results reveal that pulsing of the powders prior to consolidation led to higher microhardness values than the samples that were obtained by consolidating the powder particles under no-pulse. Both nanohardness and microhardness increased with an increase in the temperature of consolidation. Samples consolidated at the higher temperature revealed evidence of grain coarsening. The influence of processing variables on microstructure development and hardness is presented and discussed. More... »

PAGES

449-455

Identifiers

URI

http://scigraph.springernature.com/pub.10.1361/105994901770344872

DOI

http://dx.doi.org/10.1361/105994901770344872

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1008268096


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