Encyclopedia

Alfenol

alfenol

[′al·fə‚nōl]
(metallurgy)
A permeability alloy that has 16% aluminum and 84% iron; it is brittle and at 572°F (300°C) can be rolled into thin sheets; used for transformer cores and tape recorder heads.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Alfenol

 

a soft magnetic alloy consisting of 16 percent aluminum and 84 percent iron. Alfenol is characterized by high magnetic permeability in weak fields (initial magnetic permeability to 3.61 megahenries [MH] per m; maximum to 145 MH/m [1 MH/m ≈ 796 gauss/oersted]).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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References in periodicals archive
There are several materials used to fabricate the cantilever, such as elastic material (polymers), piezoelectric material (PZT-5 and PVDF), and magnetostrictive material (Galfenol and Alfenol) [10-14].
Barkley, "Development of a bio-inspired tactile magnetostrictive whisker sensor using alfenol," in Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, pp.
The Static and Dynamic Sensitivity of Magnetostrictive Bioinspired Whisker Sensor
Several magnetostrictive materials, such as galfenol and alfenol (Fe-Al alloy) [15, 16], can be used as raw materials of the whisker beam.
The magnetostrictive coefficient of galfenol is higher than that of alfenol (their saturation magnetostrictions are 250 and 120 ppm, respectively, reported in [19]).
Barkley, "Development of a bio-inspired tactile magnetostrictive whisker sensor using alfenol," in ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Newport, RI, USA, September 2014.
Influence of Frequency on the Resolution of Magnetostrictive Bio-Inspired Whisker Sensors
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