Elastic percolation transition in nanowire-based magnetorheological fluids

D. T. Zimmerman; R. C. Bell; J. A. Filer; J. O. Karli; N. M. Wereley

doi:10.1063/1.3167815

Elastic percolation transition in nanowire-based magnetorheological fluids

D. T. Zimmerman, R. C. Bell, J. A. Filer, J. O. Karli, N. M. Wereley

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

We observe an elastic percolation transition in the yield stress (τ_y) of cobalt-nanowire magnetorheological fluids, with a critical volume fraction of ferromagnetic particles (p_c) that increases with the applied magnetic field (H). Unlike studies of static percolation phenomena, our observations reveal percolation in a dynamic, fluid-semisolid system. The elastic critical exponent (f) appears to be independent of H, having a value in the range of 1.0-1.2, near that seen in various two-dimensional networks. The superelastic exponent (c) decreases with increasing H and is smaller than that seen in typical networks.

Original language	English (US)
Article number	014102
Journal	Applied Physics Letters
Volume	95
Issue number	1
DOIs	https://doi.org/10.1063/1.3167815
State	Published - 2009

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

Access to Document

10.1063/1.3167815

Cite this

@article{678ffb73317946488e2a2e6d6f983989,

title = "Elastic percolation transition in nanowire-based magnetorheological fluids",

abstract = "We observe an elastic percolation transition in the yield stress (τy) of cobalt-nanowire magnetorheological fluids, with a critical volume fraction of ferromagnetic particles (pc) that increases with the applied magnetic field (H). Unlike studies of static percolation phenomena, our observations reveal percolation in a dynamic, fluid-semisolid system. The elastic critical exponent (f) appears to be independent of H, having a value in the range of 1.0-1.2, near that seen in various two-dimensional networks. The superelastic exponent (c) decreases with increasing H and is smaller than that seen in typical networks.",

author = "Zimmerman, {D. T.} and Bell, {R. C.} and Filer, {J. A.} and Karli, {J. O.} and Wereley, {N. M.}",

note = "Funding Information: We acknowledge support from the National Science Foundation (NSF/RUI) (Contract No. CBET-0755696), The Pennsylvania State University, and Altoona College.",

year = "2009",

doi = "10.1063/1.3167815",

language = "English (US)",

volume = "95",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

number = "1",

}

TY - JOUR

T1 - Elastic percolation transition in nanowire-based magnetorheological fluids

AU - Zimmerman, D. T.

AU - Bell, R. C.

AU - Filer, J. A.

AU - Karli, J. O.

AU - Wereley, N. M.

N1 - Funding Information: We acknowledge support from the National Science Foundation (NSF/RUI) (Contract No. CBET-0755696), The Pennsylvania State University, and Altoona College.

PY - 2009

Y1 - 2009

N2 - We observe an elastic percolation transition in the yield stress (τy) of cobalt-nanowire magnetorheological fluids, with a critical volume fraction of ferromagnetic particles (pc) that increases with the applied magnetic field (H). Unlike studies of static percolation phenomena, our observations reveal percolation in a dynamic, fluid-semisolid system. The elastic critical exponent (f) appears to be independent of H, having a value in the range of 1.0-1.2, near that seen in various two-dimensional networks. The superelastic exponent (c) decreases with increasing H and is smaller than that seen in typical networks.

AB - We observe an elastic percolation transition in the yield stress (τy) of cobalt-nanowire magnetorheological fluids, with a critical volume fraction of ferromagnetic particles (pc) that increases with the applied magnetic field (H). Unlike studies of static percolation phenomena, our observations reveal percolation in a dynamic, fluid-semisolid system. The elastic critical exponent (f) appears to be independent of H, having a value in the range of 1.0-1.2, near that seen in various two-dimensional networks. The superelastic exponent (c) decreases with increasing H and is smaller than that seen in typical networks.

UR - http://www.scopus.com/inward/record.url?scp=67650434257&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=67650434257&partnerID=8YFLogxK

U2 - 10.1063/1.3167815

DO - 10.1063/1.3167815

M3 - Article

AN - SCOPUS:67650434257

SN - 0003-6951

VL - 95

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 1

M1 - 014102

ER -

Elastic percolation transition in nanowire-based magnetorheological fluids

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this