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Compaction of agglomerates of aerosol nanoparticles: A compilation of experimental data

In English

Författare

Summary, in English

The compacting behavior of agglomerated aerosol nanoparticles in the size range between 7 and 150 nm was investigated using available literature data. We observed a characteristic behavior, which can be described by three separate steps. When comparing the first step, the compaction from agglomerates into spherules, differences could be observed for nanoparticles of different materials. It is seen from the available data that smaller particles compact at lower temperatures. For most materials where data available (Ag, Au, Fe, W, PbS and SnO2), the compaction temperatures were found to lie in a temperature interval, between 1/3 and 1/2 of the bulk melting temperature. For the data available on TiO2, on the other hand, the compaction temperature corresponds to about 2/3 of the bulk melting temperature. Thus, a fundamental difference might exist in the sintering behavior of titania as compared with other materials. This difference may be attributed to a lower degree of cleanliness of the titania particles.

Publiceringsår

2005

Språk

Engelska

Sidor

43-49

Publikation/Tidskrift/Serie

Journal of Nanoparticle Research

Volym

7

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Nano Technology

Nyckelord

  • nanoparticles
  • agglomerates
  • aerosols
  • sintering
  • processing

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1572-896X