Thermal stability of the nanocrystalline Fe-8P (wt.%) powder produced by ball milling

Tebib, W.; Alleg, S.; Grenèche, Jean‐Marc; Suñol, J.J.

doi:10.1080/10426507.2018.1452233

Cited by 4 publications

(4 citation statements)

References 36 publications

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“…This is probably due to the small difference between the atomic radii of the host metal, Fe, and the dissolved P (r Fe = 0.125 nm, r P = 0.128 nm), hence preferring a substitutional site within the Fe crystal lattice [53]. The α-Fe(P) solid solution was also obtained at much higher milling time of 9, 12, and 21 h [54] with subsequent annealing at 210 °C under argon for 30 min [55].…”

Section: Xrd Rietveld Refinementmentioning

confidence: 99%

“…The role of the compound on the structure stability, phase composition, and properties was mostly studied on binary Fe-P alloys that depend on P concentration with a ferromagnetic ground state [14,20]. In recent years, great attention has been given to the thermal stability of transition metal phosphide nanomaterials [21,22]. Others studies of Co 2 P encapsulated in N, P-doped grapheme, CoMnP nanoparticles, nanostructured Fe 92 P 8 and Fe-Co, MnFeP 1-y As y , (Fe 1-x Mn x ) 3 P, Li-Fe-P, and FeP alloys report a robust catalytic activity [23,24], interesting magnetic [25,26], electronic and mechanical properties [27,28], and a good storage energy capacity [29,30].…”

Section: Introductionmentioning

confidence: 99%

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Dependence of magnetic properties with structural/microstructural parameters of ball-milled Fe15Co2P3 powder mixture

Berkani

Siab

Tebib

et al. 2021

Int J Adv Manuf Technol

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This research work aims to investigate the mechanical alloying of Fe 15 Co 2 P 3 powder mixture in terms of phases' formation, microstructural parameters, and magnetic properties as function of milling time. Parametric Rietveld refinement method, of the obtained X-ray patterns, was performed for qualitative and quantitative phase analysis alongside the determination of structural, microstructural, and mechanical properties. The ball-milled powder mixture crystallized within the face-centered cubic α-Fe(P) solid solution in equilibrium with Co 75 Fe 25 phase. The crystallite size decreases reaching 100 and 200 nm respectively after 3 h of milling. The highest values of the dislocation density, microstrain, and stored energy are registered for the α-Fe(P) solid solution. The studied mechanical properties manifest the brittle nature of the α-Fe(P) solid solution compared to the Co 75 Fe 25 phase. The squareness ratio M r /M s and the coercivity values of the milled powders increase with increasing milling time and reach steady state after 2 h. The hysteresis loss energy and maximum permeability reach minimal values of 45 × 10 −4 W/m 3 and 49 × 10 −3 H/m respectively, after 1 h of milling at the opposite of the switching field distribution. The obtained results demonstrate the formation of nanostructured Fe 15 Co 2 P 3 ternary alloy with optimum characteristics as promising candidate for diverse applications primarily in the biomedical field for diagnostics and therapeutics such as magnetic hyperthermia and vector probes for future imaging technologies.

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Section: Xrd Rietveld Refinementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Dependence of magnetic properties with structural/microstructural parameters of ball-milled Fe15Co2P3 powder mixture

Berkani

Siab

Tebib

et al. 2021

Int J Adv Manuf Technol

Self Cite

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“…This is probably due to the small difference between the atomic radii of the host metal, Fe, and the dissolved P (rFe = 0.125 nm, rP = 0.128 nm), hence preferring a substitutional site within the Fe crystal lattice [54]. The α-Fe(P) solid solution was also obtained at much higher milling time of 9, 12 and 21 h [55] with subsequent annealing at 210°C under argon for 30 min [56].…”

Section: Structural and Microstructural Propertiesmentioning

confidence: 99%

Dependence of Magnetic Properties with Structural/Microstructural Parameters of Ball-milled Fe15Co2P3 Powder Mixture

Berkani¹,

Siab²,

Tebib³

et al. 2021

Preprint

Self Cite

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This research work aims to investigate the mechanically alloyed Fe15Co2P3. Parametric Rietveld refinement method, of the obtained X-ray patterns, was performed for qualitative and quantitative phase analysis, structural, microstructural and mechanical properties. The ball-milled powder mixture crystallized within the face-centred cubic α-Fe(P) solid solution in equilibrium with Co75Fe25 phase. The crystallite size decreases reaching 100 and 200 nm respectively after 3h of milling. The highest values of the dislocation density, microstain and stored energy are registered for the α-Fe(P) solid solution. The studied mechanical properties manifest the brittle nature of the α-Fe(P) solid solution compared to the Co75Fe25 phase. The squareness ratio Mr/Ms and the coercivity values of the milled powders increase with increasing milling time and reach steady state after 2 h. The hysteresis loss energy and maximum permeability reach minimal values of 45*10− 4 W/m3 and 49*10− 3 H/m respectively, after 1 h of milling at the opposite of the switching field distribution.

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“…Phosphorous has a very low boiling point,~280 • C, and therefore is a volatile element at elevated temperatures. Nevertheless, current research indicates that most of the Fe-based soft magnetic materials need to be produced at temperatures higher than 1200 • C, and the loss of P at the sintering temperature is significant [2,5,9,15,26,30,31]. Therefore, it is useful to develop a technology which can produce Fe-P alloys at relatively low temperatures.…”

Section: Introductionmentioning

confidence: 99%

Effects of Fe3P Addition on Sintering Behaviors and Magnetic Properties of Fe-P Alloys Sintered at Low Temperatures

Liu

et al. 2019

Metals

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In this paper, we demonstrate that trace amounts of P addition can activate the sintering of carbonyl powder and influence the magnetic properties of the sintered materials. Fe-x P (x = 0, 0.6, 0.8, 1.0, 1.2, 1.4, and 1.6 wt.%) samples were fabricated by doping carbonyl powder with different amounts of Fe3P. They were sintered at 1000 °C in argon for 2 h. The sintering of the Fe-0 wt.% P sample was interrupted by the ferrite-austenite transformation at 912 °C due to the low diffusion rate of the austenite. The addition of P can stabilize the ferrite, and suppress the ferrite-austenite transformation. Therefore, all the P-containing samples shrank continuously throughout the whole sintering process, which showed improved sintering densities compared to the P-free sample. However, the sintering density did not increase monotonously with increasing P content. The Fe-1.4 wt.% P and Fe-1.6wt.% P samples easily got oxidized during sintering, and the densification process was thus influenced by the P-containing oxide particles. As a result, the Fe-1.2 wt.% P sample exhibited the highest sintering density (7.664 g/cm3) and the best magnetic properties (coercive force 172 A/m).

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Thermal stability of the nanocrystalline Fe-8P (wt.%) powder produced by ball milling

Cited by 4 publications

References 36 publications

Dependence of magnetic properties with structural/microstructural parameters of ball-milled Fe15Co2P3 powder mixture

Dependence of magnetic properties with structural/microstructural parameters of ball-milled Fe15Co2P3 powder mixture

Dependence of Magnetic Properties with Structural/Microstructural Parameters of Ball-milled Fe15Co2P3 Powder Mixture

Effects of Fe3P Addition on Sintering Behaviors and Magnetic Properties of Fe-P Alloys Sintered at Low Temperatures

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