News Column

New Powder Technology Findings from Catholic University of Leuven Outlined

June 3, 2014

By a News Reporter-Staff News Editor at Journal of Technology -- Current study results on Powder Technology have been published. According to news reporting originating in Louvain, Belgium, by VerticalNews journalists, research stated, "The size dependent contact behavior of nanoparticle agglomerates was studied. Size fractionated TiO2 nanoparticle agglomerates were synthesized with a combination of a flame spray reactor and a differential mobility analyzer resulting in four different agglomerate sizes (median values from 78 to 161 nm)."

The news reporters obtained a quote from the research from the Catholic University of Leuven, "Contact behavior of the fractionated agglomerates was investigated using atomic force microscopy. A model of the contact behavior of agglomerates under tensile stress was established in which the aggregates within the agglomerates rearrange and form chains before breakage. Force curves show that the length of the chains and the amount of rearrangements depend on the agglomerate sizes."

According to the news reporters, the research concluded: "Larger agglomerates require more work for their aggregate rearrangement before the final breakage is induced."

For more information on this research see: Contact behavior of size fractionated TiO2 nanoparticle agglomerates and aggregates. Powder Technology, 2014;256():345-351. Powder Technology can be contacted at: Elsevier Science Bv, PO Box 211, 1000 Ae Amsterdam, Netherlands. (Elsevier -; Powder Technology -

Our news correspondents report that additional information may be obtained by contacting S. Salameh, Catholic University of Leuven, Dept. of Met & Mat Engn, Louvain, Belgium. Additional authors for this research include R. Scholz, J.W. Seo and L. Madler.

Keywords for this news article include: Europe, Louvain, Belgium, Powder Technology

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Source: Journal of Technology

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