The role of P content on the glass-forming ability and the magnetic properties of FeSiBPC amorphous alloys

Zhang, Qian; Li, Zongzhen; Zhang, Guangqiang; Zheng, Wei; Cao, Xia; Hui, Xidong; Zhou, Shaoxiong

doi:10.1007/s10854-022-08014-1

Cited by 2 publications

(1 citation statement)

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“…Consequently, there is a pressing need to explore the composition design and applications of high-B s amorphous alloys, which has become a prominent research and development focus in this field. Although there have been several relevant reports [ 7 , 8 , 9 ], most of them have been conducted in laboratory settings with a limited number of high-quality samples, which are often narrow in width. These samples are suitable for studying strip characteristics such as saturation magnetic induction and coercivity.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Annealing on the Soft Magnetic Properties and Microstructure of Fe82Si2B13P1C3 Amorphous Iron Cores

Zheng

Zhang

et al. 2023

Materials

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This research paper investigated the impact of normal annealing (NA) and magnetic field annealing (FA) on the soft magnetic properties and microstructure of Fe82Si2B13P1C3 amorphous alloy iron cores. The annealing process involved various methods of magnetic field application: transverse magnetic field annealing (TFA), longitudinal magnetic field annealing (LFA), transverse magnetic field annealing followed by longitudinal magnetic field annealing (TLFA) and longitudinal magnetic field annealing followed by transverse magnetic field annealing (LTFA). The annealed samples were subjected to testing and analysis using techniques such as differential scanning calorimetry (DSC), transmission electron microscopy (TEM), X-ray diffraction (XRD), magnetic performance testing equipment and magneto-optical Kerr microscopy. The obtained results were then compared with those of commercially produced Fe80Si9B11. Fe82Si2B13P1C3 demonstrated the lowest loss of P1.4T,2kHz = 8.1 W/kg when annealed in a transverse magnetic field at 370 °C, which was 17% lower than that of Fe80Si9B11. When influenced by the longitudinal magnetic field, the magnetization curve tended to become more rectangular, and the coercivity (B3500A/m) of Fe82Si2B13P1C3 reached 1.6 T, which was 0.05 T higher than that of Fe80Si9B11. During the 370 °C annealing process of the Fe82Si2B13P1C3 amorphous iron core, the internal stress in the strip gradually dissipated, and impurity domains such as fingerprint domains disappeared and aligned with the length direction of the strip. Consequently, wide strip domains with low resistance and easy magnetization were formed, thereby reducing the overall loss of the amorphous iron core.

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Section: Introductionmentioning

confidence: 99%