Field-assisted sintering of Ni nanopowders
B.R. Klotz and
Institute of Transportation Studies, Working Paper Series from Institute of Transportation Studies, UC Davis
Ni nanopowders were sintered by a field-assisted sintering technique (FAST). The influence of heating rate from 90 to 1100 ◦C/min on densification and final grain structure of sintered Ni was studied. A moderate heating rate was found to be beneficial for the densification of Ni nanopowders, whereas a high heating rate was conducive to a lower final density. Very high heating rates resulted in non-uniform densification of the samples and formation of cracks during sintering. Electric field activation and possible densification mechanisms are discussed.
Keywords: Engineering; UCD-ITS-RP-07-28 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:cdl:itsdav:qt9jt9k37b
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