Effect of Heat Treatment on the Microstructure and Magnetic Properties of Amorphous Alloy Fe60Co19Zr9B12

Yu, Wanqiu; Zhou, Qinglei; Liu, Zuoshan; Zeng, Haoqun; Wang, Zhi­qun; Zhong, Hua

doi:10.1007/s11041-019-00372-8

Cited by 2 publications

(1 citation statement)

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“…The energy barriers to nucleation and growth of crystalline phase are so high compared with the thermal energy that metastable state can be studied for annealing time which is very long compared with period during which experiments are done. Yu et al (2019) found the activation energy of crystallization, E =4.16 eV/K that indicates high thermal stability of the amorphous phase of the alloy. Till now researchers have not yet been able to formulate a stable set of rules for amorphous ribbons about a single property.…”

Section: Introductionmentioning

confidence: 96%

Influence of Annealing Temperature on the Crystallization Kinetics of Fe82Si8B10 Amorphous Ribbon

2020

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Amorphous soft magnetic materials have significant potential applications in specialist power transformers and in inductive devices. With the composition of Fe82Si8B10, 82% of the transition metals Fe and about 18% of metalloid or glass-former elements like B and Si are strongly magnetic at room temperature and offer dynamic opportunities for engineering applications. The crystallization kinetics has been studied by differential thermal analysis (DTA). The sample was annealed in a controlled way in the temperature range of 350-450°C at constant annealing time one hour. The kinetics of primary crystallization α-Fe(Si) phase and secondary crystallization Fe2B phase was studied as affected due to temperature. The sample annealed at 350oC temperature is almost unchanged which is still lower than that of primary crystallization temperature but the same condition when sample annealed at 450°C completely shows that the primary crystallization α-Fe(Si) phase has vanished and crystallization event took place to a good extent. Journal of Engineering Science 11(1), 2020, 107-112

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Section: Introductionmentioning

confidence: 96%