Oxidation Behavior of Fe-based Amorphous Ribbons

Zhang, Shulan; Li, Heping; Fu, Xiaotong

doi:10.1016/s1006-706x(16)30179-0

Cited by 7 publications

(5 citation statements)

References 18 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Section: Resultsmentioning

confidence: 87%

“…[27,28] This doublet component can be associated with catalyst surface corrosion due to oxidation conditions during dye degradation process. [16,27] Therefore, this doublet is an indication of iron corrosion only in this case. Further detailed analysis of the registered magnetically split pattern in all recorded Mössbauer spectra reveals the presence of a large number of nonequivalent positions of resonant iron nuclei in the solid.…”

Section: Mössbauer Analysismentioning

confidence: 83%

“…Until now, such effects have been reached by relaxation annealing. [1][2][3]16,21] No literature data were found about application of MCh method for homogenization of the amorphous structure of metallic glasses. On the other hand, long-term mechanical processing of material gives rise to further element rearrangements with formation of clusters with different Fe/(B, Si) content.…”

Section: Discussionmentioning

confidence: 99%

“…[4][5][6][7]10,15] However, the iron oxidation limits catalyst reusability during industrial-scale applications both because decreasing of its further degradation ability, mud formation, and complicated separation of catalysts from remediated wastewater. [10,15,16] The reaction mechanism of azo-dyes removal includes reductive degradation of azo-functional group "─N═N─" by zero-valent iron. [4,5,10,11] Recent studies report that the iron-based metallic glasses can be successfully used as effective, low cost and eco-friendly catalysts in water purification reactions due to their excellent wastewater treatment efficiency and reliable stability with a reduced metal leaching effect, etc.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Application of Mechanochemically Treated Waste Materials for Water Remediation

Cherkezova‐Zheleva

Paneva

Encheva

et al. 2022

Physica Status Solidi (a)

View full text Add to dashboard Cite

The possibility to reuse damaged Fe‐based metallic glasses with heterogeneities in their amorphous structure for wastewater remediation is investigated. Fe81B13.5Si3.5C2 ribbons are treated in a planetary ball mill in order to improve their catalytic behavior. Their efficiency in model Fenton reaction of Methyl orange azo‐dye degradation is registered. It reveals significant variations of their performance as a result of material transformation under mechanical treatment. Detailed physicochemical analysis is made to follow material changes after ball milling and catalytic tests. It is obtained that the formation of local atomic Fe‐rich and Fe‐deficit clusters randomly distributed in the amorphous alloy is highly beneficial for increasing catalyst dye degradation ability. Catalytically active centers in studied redox reaction are Fe‐rich clusters due to their strong affinity for donating electrons. Additional important result of this study is that mechanochemical treatment of metallic glasses at appropriate conditions can lead to material homogenization and relaxation of amorphous structure, as it can be observed after temperature annealing. This study demonstrates the possibility to apply mechanochemical method for rearrangement of the amorphous structure of damaged metallic glasses. Such waste materials can be in fact successfully reused as green and sustainable catalysts for effective purification of contaminated industrial waters.

show abstract

Section: Resultsmentioning

confidence: 87%

Section: Mössbauer Analysismentioning

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Application of Mechanochemically Treated Waste Materials for Water Remediation

Cherkezova‐Zheleva

Paneva

Encheva

et al. 2022

Physica Status Solidi (a)

View full text Add to dashboard Cite

show abstract

“…It is imperative that metallic glasses exhibit adequate resistance against detrimental oxygen environments to be able to execute satisfactory performance 24 . For example, it is necessary to anneal metallic glass ribbons under a magnetic field to reduce stress and attain the requisite domain structure 25 . In most industrial manufacturing processes an ideal vacuum annealing environment is seldom achievable 26 .…”

Section: Introductionmentioning

confidence: 99%

Quantification of Thermal Oxidation in Metallic Glass Powder using Ultra-small Angle X-ray Scattering

Paul

Zhang

Biswas

et al. 2019

Sci Rep

View full text Add to dashboard Cite

In this paper, the composition, structure, morphology and kinetics of evolution during isothermal oxidation of Fe 48 Cr 15 Mo 14 Y 2 C 15 B 6 metallic glass powder in the supercooled region are investigated by an integrated ex - situ and in - situ characterization and modelling approach. Raman and X-ray diffraction spectra established that oxidation yielded a hierarchical structure across decreasing length scales. At larger scale, Fe 2 O 3 grows as a uniform shell over the powder core. This shell, at smaller scale, consists of multiple grains. Ultra-small angle X-ray scattering intensity acquired during isothermal oxidation of the powder over a wide Q-range delineated direct quantification of oxidation behavior. The hierarchical structure was employed to construct a scattering model that was fitted to the measured intensity distributions to estimate the thickness of the oxide shell. The relative gain in mass during oxidation, computed theoretically from this model, relatively underestimated that measured in practice by a thermogravimetric analyzer due to the distribution in sizes of the particles. Overall, this paper presents the first direct quantification of oxidation in metallic glass powder by ultra-small angle X-ray scattering. It establishes novel experimental environments that can potentially unfold new paradigms of research into a wide spectrum of interfacial reactions in powder materials at elevated temperatures.

show abstract

Excellent capability in remediating Cu2+ from aqueous solution by Fe–Si–B amorphous alloys

Zhang

Liu

et al. 2020

Appl. Phys. A

View full text Add to dashboard Cite

Oxidation Behavior of Fe-based Amorphous Ribbons

Cited by 7 publications

References 18 publications

Application of Mechanochemically Treated Waste Materials for Water Remediation

Application of Mechanochemically Treated Waste Materials for Water Remediation

Quantification of Thermal Oxidation in Metallic Glass Powder using Ultra-small Angle X-ray Scattering

Excellent capability in remediating Cu2+ from aqueous solution by Fe–Si–B amorphous alloys

Contact Info

Product

Resources

About