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Mechanical properties investigation on single-wall ZrO2 nanotubes: A finite element method with equivalent Poisson's ratio for chemical bonds
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory. Yanshan Univ, Coll Civil Engn & Mech, Qin Huangdao 066004, Hebei, Peoples R China.
Yanshan Univ, Coll Civil Engn & Mech, Qin Huangdao 066004, Hebei, Peoples R China..
Yanshan Univ, Coll Civil Engn & Mech, Qin Huangdao 066004, Hebei, Peoples R China..
Yanshan Univ, Coll Civil Engn & Mech, Qin Huangdao 066004, Hebei, Peoples R China..
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2018 (English)In: Physica. E, Low-Dimensional systems and nanostructures, ISSN 1386-9477, E-ISSN 1873-1759, Vol. 98, p. 23-28Article in journal (Refereed) Published
Abstract [en]

A method to obtain the equivalent Poisson's ratio in chemical bonds as classical beams with finite element method was proposed from experimental data. The UFF (Universal Force Field) method was employed to calculate the elastic force constants of Zr-O bonds. By applying the equivalent Poisson's ratio, the mechanical properties of single-wall ZrNTs (ZrO2 nanotubes) were investigated by finite element analysis. The nanotubes' Young's modulus (Y), Poisson's ratio (nu) of ZrNTs as function of diameters, length and chirality have been discussed, respectively. We found that the Young's modulus of single-wall ZrNTs is calculated to be between 350 and 420 GPa.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2018. Vol. 98, p. 23-28
Keywords [en]
Signal-wall ZrO2 nanotubes, Mechanical properties, Finite element method, Poisson's ratio
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-347532DOI: 10.1016/j.physe.2017.10.005ISI: 000425118100005OAI: oai:DiVA.org:uu-347532DiVA, id: diva2:1195018
Funder
Swedish Research CouncilAvailable from: 2018-04-04 Created: 2018-04-04 Last updated: 2018-04-04Bibliographically approved

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Wärnå, JohnAhuja, RajeevLuo, Wei

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