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Approach to the anhysteretic Surface


Sablik, MJ and Langman, RA, Approach to the anhysteretic Surface, Journal of Applied Physics, 79, (8) pp. 6134-6136. ISSN 0021-8979 (1996) [Refereed Article]

DOI: doi:10.1063/1.362110


In this paper, we have investigated experimentally the approach to the anhysteretic surface in M-H-σ space. In particular, for a 0.5 wt% carbon steel specimen, we have applied 73 MPa tension and a bias field H and determined the end flux density after superimposing an ac field of amplitude gradually decreasing to zero. We find that the point on the anhysteretic curve for 73 MPa tension and field H is not approached unless the initial amplitude of ac field is sufficiently large to overcome domain wall pinning, which restrains redistribution of the domains. A similar experiment in which stress is cycled was also done. Stress was cycled discretely between O and 140 MPa, with the discrete changes about 73 MPa eventually decreasing to zero in bias field H. It was found that the loci of (B,H) end points did not approach the anhysteretic, suggesting that larger amplitude changes in stress and perhaps more continuous changes are needed to overcome domain wall pinning. © 1996 American Institute of Physics.

Item Details

Item Type:Refereed Article
Research Division:Engineering
Research Group:Control engineering, mechatronics and robotics
Research Field:Field robotics
Objective Division:Manufacturing
Objective Group:Machinery and equipment
Objective Field:Machinery and equipment not elsewhere classified
UTAS Author:Langman, RA (Mr Richard Langman)
ID Code:7460
Year Published:1996
Web of Science® Times Cited:9
Deposited By:Electrical and Electronic Engineering
Deposited On:1996-08-01
Last Modified:2011-08-19

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