Flowability characterization of nanopowders

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Standard

Flowability characterization of nanopowders. / Xanthakis, Epameinondas; Ruud van Ommen, J.; Ahrné, Lilia.

I: Powder Technology, Bind 286, 2015, s. 156-163.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Xanthakis, E, Ruud van Ommen, J & Ahrné, L 2015, 'Flowability characterization of nanopowders', Powder Technology, bind 286, s. 156-163. https://doi.org/10.1016/j.powtec.2015.08.015

APA

Xanthakis, E., Ruud van Ommen, J., & Ahrné, L. (2015). Flowability characterization of nanopowders. Powder Technology, 286, 156-163. https://doi.org/10.1016/j.powtec.2015.08.015

Vancouver

Xanthakis E, Ruud van Ommen J, Ahrné L. Flowability characterization of nanopowders. Powder Technology. 2015;286:156-163. https://doi.org/10.1016/j.powtec.2015.08.015

Author

Xanthakis, Epameinondas ; Ruud van Ommen, J. ; Ahrné, Lilia. / Flowability characterization of nanopowders. I: Powder Technology. 2015 ; Bind 286. s. 156-163.

Bibtex

@article{63b2c853a39d4886b7ec85effc84b90f,
title = "Flowability characterization of nanopowders",
abstract = "The applications of nanopowders are increasing significantly over the last years. In most of these applications, the flow behavior of the nanopowders seems to be a complicated, multiparametric but critical issue for the proper design of the processes. We have investigated, classified and compared several different metal oxide nanoparticles with respect to their flow properties. The flow properties of titania, silica and alumina hydrophilic nanopowders as well as their corresponding hydrophobic counterparts were determined by means of an annular shear cell powder flow tester (PFT). All the tested powders showed difficulties in flow while the titania nanopowders showed the highest difficulty among them. The results acquired regarding the compressibility, the flow functions and the effective angle of internal friction revealed that in all the cases the hydrophobic nanopowder seemed to be more cohesive than its hydrophilic counterpart. Moreover, the nanoparticles, no matter their polarity, showed negligible hygroscopicity while in the case of the alumina nanopowders the flow properties can be significantly influenced by ca. 1{\%} (w/w) of moisture content.",
keywords = "Flowability, Nanopowders, Powder flow tester",
author = "Epameinondas Xanthakis and {Ruud van Ommen}, J. and Lilia Ahrn{\'e}",
year = "2015",
doi = "10.1016/j.powtec.2015.08.015",
language = "English",
volume = "286",
pages = "156--163",
journal = "Powder Technology",
issn = "0032-5910",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Flowability characterization of nanopowders

AU - Xanthakis, Epameinondas

AU - Ruud van Ommen, J.

AU - Ahrné, Lilia

PY - 2015

Y1 - 2015

N2 - The applications of nanopowders are increasing significantly over the last years. In most of these applications, the flow behavior of the nanopowders seems to be a complicated, multiparametric but critical issue for the proper design of the processes. We have investigated, classified and compared several different metal oxide nanoparticles with respect to their flow properties. The flow properties of titania, silica and alumina hydrophilic nanopowders as well as their corresponding hydrophobic counterparts were determined by means of an annular shear cell powder flow tester (PFT). All the tested powders showed difficulties in flow while the titania nanopowders showed the highest difficulty among them. The results acquired regarding the compressibility, the flow functions and the effective angle of internal friction revealed that in all the cases the hydrophobic nanopowder seemed to be more cohesive than its hydrophilic counterpart. Moreover, the nanoparticles, no matter their polarity, showed negligible hygroscopicity while in the case of the alumina nanopowders the flow properties can be significantly influenced by ca. 1% (w/w) of moisture content.

AB - The applications of nanopowders are increasing significantly over the last years. In most of these applications, the flow behavior of the nanopowders seems to be a complicated, multiparametric but critical issue for the proper design of the processes. We have investigated, classified and compared several different metal oxide nanoparticles with respect to their flow properties. The flow properties of titania, silica and alumina hydrophilic nanopowders as well as their corresponding hydrophobic counterparts were determined by means of an annular shear cell powder flow tester (PFT). All the tested powders showed difficulties in flow while the titania nanopowders showed the highest difficulty among them. The results acquired regarding the compressibility, the flow functions and the effective angle of internal friction revealed that in all the cases the hydrophobic nanopowder seemed to be more cohesive than its hydrophilic counterpart. Moreover, the nanoparticles, no matter their polarity, showed negligible hygroscopicity while in the case of the alumina nanopowders the flow properties can be significantly influenced by ca. 1% (w/w) of moisture content.

KW - Flowability

KW - Nanopowders

KW - Powder flow tester

U2 - 10.1016/j.powtec.2015.08.015

DO - 10.1016/j.powtec.2015.08.015

M3 - Journal article

AN - SCOPUS:84939832411

VL - 286

SP - 156

EP - 163

JO - Powder Technology

JF - Powder Technology

SN - 0032-5910

ER -

ID: 202130964