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Stress Dependence of the Small Angle Magnetization Rotation Signal in Commercial Amorphous Ribbons.

Michał Nowicki1

  • 1Warsaw University of Technology, Institute of Metrology and Biomedical Engineering, 02-525 Warsaw, Poland. m.nowicki@mchtr.pw.edu.pl.

Materials (Basel, Switzerland)
|September 12, 2019
PubMed
Summary

Soft magnetic amorphous ribbons show significant stress dependence in their small angle magnetization rotation (SAMR) signal. Near-zero magnetostrictive 2705M alloy is ideal for SAMR-based magnetoelastic force sensors.

Keywords:
SAMRamorphous ribbonmagnetoelastic force sensor

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Area of Science:

  • Materials Science
  • Solid State Physics
  • Magnetism

Background:

  • Soft magnetic amorphous ribbons are crucial for magnetic sensors.
  • Understanding stress dependence is key for sensor reliability.
  • Small Angle Magnetization Rotation (SAMR) is a sensitive magnetic phenomenon.

Purpose of the Study:

  • To investigate the tensile stress dependence of the SAMR signal in soft magnetic amorphous ribbons.
  • To compare the stress response of different amorphous alloys.
  • To identify suitable materials for magnetoelastic force sensors.

Main Methods:

  • Experimental investigation of SAMR signal under tensile stress.
  • Analysis of magnetoelastic hysteresis.
  • Evaluation of biasing H field and supply current effects.

Main Results:

  • Negatively magnetostrictive alloys (2705M, 2714A, 6030D) exhibit significant stress dependence.
  • Positively magnetostrictive 2826MB alloy shows minimal stress dependence.
  • 2705M alloy demonstrates near-zero negative magnetostriction.

Conclusions:

  • Tensile stress significantly impacts the SAMR signal in soft magnetic amorphous ribbons.
  • 2705M alloy is the most promising material for SAMR-based magnetoelastic force sensors due to its favorable magnetostriction.
  • Further research can optimize sensor design based on these findings.