New Possibility of Utilizing Amorphous Ring Cores as Stress Sensor
✍ Scribed by Bie?kowski, A. ;Szewczyk, R.
- Book ID
- 101378141
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 87 KB
- Volume
- 189
- Category
- Article
- ISSN
- 0031-8965
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✦ Synopsis
This paper presents a new method of applying stresses to an amorphous ring core. Due to the special cylindrical backings, compressive stress is applied perpendicular to the direction of flux density. In this method the distribution of stresses in the core is uniform and known. This method was used to investigate magnetoelastic properties of a ring core made of Fe 40 Ni 38 Mo 4 B 18 amorphous alloy. The changes of quasi-static hysteresis loops, flux density and permeability for compressive stresses up to 10 MPa are presented. Permeability at H m = 1.5H c decreases over 40% for stresses up to 10 MPa. These experimental results confirm that the presented method may be very useful in the construction of stress transducers.