The Influence of the Silicon Content on the Formation of Fe23B6 Metastable Phases in Fe65Co11−xB20SixZr2Hf2 Bulk Amorphous Alloys

Nabiałek, M.; Jeż, B.; Błoch, K.

doi:10.1007/s11661-020-05894-y

Cited by 3 publications

(2 citation statements)

References 41 publications

(40 reference statements)

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“…Fe(Co)-based alloys have higher Curie temperatures and higher magnetization compared to other Fe-based alloys without Co, resulting in potential applications at higher operating temperatures, which have been widely reported [1][2][3][4][5][6][7]. Furthermore, scholars have paid attention to the effect on structure [4][5][6][7][8][9], thermal property [9,10], magnetic property [10][11][12][13][14][15][16][17], and application [18,19] of using Co to replace Fe in the alloys.…”

Section: Introductionmentioning

confidence: 99%

Influence of Fe and Co Content on Crystallization and Magnetic Property of FeZrB Alloys

Hua

Feng

et al. 2023

Acta Phys. Pol. A

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Substituting Fe with Co in Fe-based alloys to adjust the composition and optimize properties is a hot topic. Amorphous 7,14,21, 28, 35, 42) ribbons were prepared and annealed at their first exothermic peak temperature. The crystallization and magnetic properties of the alloys can be divided into two regions. The first region corresponds to the Fe84−xCoxZr7B9 (x = 0, 7, 14, 21) alloys, and the second region corresponds to the Fe84−xCoxZr7B9 (x = 28, 35, 42) alloys. There are four exothermic peaks for Fe84−xCoxZr7B9 (x = 0, 7, 14, 21) alloys, and there are three crystallization exothermic peaks for Fe84−xCoxZr7B9 (x = 28, 35, 42) alloys during crystallization. Only a single phase precipitates from the amorphous matrix for all alloys after annealing. With the increase in Co content, the lattice constant first increases up to 21 at.% Co and then decreases. The crystallization volume fraction (Vcry) and the grain size (D) continue to decrease. When the Co content is 21 at.%, there is little change in Co concentration between the nanocrystal and the remaining amorphous matrix. When the Co content is 42 at.%, the Fe content in the remaining amorphous matrix is significantly less than that in the nanocrystal, and the Co content in the remaining amorphous matrix is slightly higher than that in the nanocrystal. The content of Fe in the nanocrystal is higher than that of Co in the nanocrystal. The specific saturation magnetization Ms of as-quenched alloys and annealed alloys increases sharply up to 28 at.% Co and then decreases with a further increase in the Co content. The Ms values of annealed alloys are greater than those of as-quenched alloys. The coercivity Hc values of annealed alloys are lower than those of as-quenched alloys. For Fe84−xCoxZr7B9 (x = 0, 7, 14, 21) alloys, the higher the Co content, the higher the difference between the Hc values of as-quenched and annealed alloys. For 35, 42) alloys, the difference between the Hc values of as-quenched and annealed alloys is small.

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Section: Introductionmentioning

confidence: 99%

Influence of Fe and Co Content on Crystallization and Magnetic Property of FeZrB Alloys

Hua

Feng

et al. 2023

Acta Phys. Pol. A

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“…Magnetic properties of the ferromagnetism materials is dependent to the behavior of magnetic domains in an external magnetic fields, which can be affected by various parameters such as magnetocrystalline anisotropy and magnetostriction [10,22], grain size [23,24], inclusions [25], texture [22,26], production processes [27,28], and the presence of alloying elements [29][30][31][32][33][34]. Therefore, by controlling these parameters, a wide range of magnetic properties can be created in this category of alloys [1,6].…”

Section: Introductionmentioning

confidence: 99%

Archives of Metallurgy and Materials

Mahdavi,

Mashreghi,

Hasani

et al. 2021

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and its eeffect on Mechanical and Magnetic PRoPeRties in a seveRely cold-Rolled ni-based soft Magnetic alloy despite of extensive researches for decades, there are many unclear aspects for recrystallization phenomenon in the cold rolled ni-based alloys. hence, different thermal cycles were conducted in order to determine microstructural evolutions and its effect on the magnetic and mechanical properties of a 90% cold-rolled thin sheet of a Ni-Fe-Cu-Mo alloy (~80 μm). The obtained results revealed that the recrystallization was started at a temperature of 550°C and was completed after 4 hours. An increase in the number of annealing twins was observed with an increase in annealing temperature, which was due to a bulging and long-range migration of grain boundaries during the discontinuous recrystallization. ordering transformation occurred in the temperature range of 400-600°C and as a result, hardness, yield strength, and UTS were increased, while with an increase in the annealing temperature these mechanical properties were decreased. Maximum toughness was obtained by annealing at 550°C for 4 hours, while the highest elongation was obtained after annealing at 1050°C, where other mechanical properties including toughness, hardness, yield strength, and UTS were decreased due to the grain growth and secondary recrystallization. Moreover, coercivity and remanence magnetization were decreased from 4.5 oe and 3.8 emu/g for the cold rolled sample to below 0.5 oe and 0.15 emu/g for the sample annealed at 950°C, respectively.

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Importance of Diffusion Pumping While Producing Amorphous and Partially Crystallised Materials

Nabiałek

Płoszaj

2021

EJMSE

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It can be state that 1960 was the year when amorphous materials era began. 1989 was the year when bulk materials amorphous were first produced. Since then researchers around the World try to improve or find new correlations according to this group of materials. Sometimes instead of obtaining amorphous materials produced sample may be partially crystallised. During last research, ingots of two different alloys discussed in this work were produced with and without use of diffusion pump. Samples produced in injection method were done under the same condition for both cases of ingots. Then samples were subjected to structure analysis with the use of x-rays and were checked according to magnetic properties. Obtained results are compatible with expectations, however by meet one give promising possibility of further research.

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The Influence of the Silicon Content on the Formation of Fe23B6 Metastable Phases in Fe65Co11−xB20SixZr2Hf2 Bulk Amorphous Alloys

Cited by 3 publications

References 41 publications

Influence of Fe and Co Content on Crystallization and Magnetic Property of FeZrB Alloys

Influence of Fe and Co Content on Crystallization and Magnetic Property of FeZrB Alloys

Archives of Metallurgy and Materials

Importance of Diffusion Pumping While Producing Amorphous and Partially Crystallised Materials

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