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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.6
- 수록면
- 66 - 70 (5page)
이용수
초록· 키워드
오류제보하기
The dynamic magneto-mechanical behaviors in a type of iron-nickel-based ferromagnetic alloy with constant elasticity were investigated as a function of both the DC bias magnetic field (H<SUB>dc</SUB>) and the frequency. The rectangular plate-like samples were excited to vibrate at a half-wavelength, longitudinal resonance by an AC magnetic field superimposed with various H<SUB>dc</SUB>. The experimental results found that the strain coefficient at resonance reached 819.34 ㎚/A and the effective mechanical quality factor (Q<SUB>m</SUB>) was greater than 2000. The ratio of the maximum variation of the Young’s modulus over H<SUB>dc</SUB> to the value of the Young’s modulus at a zero bias field was only ~0.83‰ because of the so-called constant elasticity. The resonant strain coefficients and Q<SUB>m</SUB> are strongly dependent on Hdc, which indicates a promising potential for use in DC and quasistatic magnetic field sensing.
목차
1. Introduction
2. Experiments
3. Results and Discussion
4. Conclusion
Acknowledgment
References
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