Assessment of the ternary Fe–Si–B phase diagram

Poletti, Marco Gabriele; Battezzati, Livio

doi:10.1016/j.calphad.2013.08.001

Cited by 35 publications

(12 citation statements)

References 40 publications

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“…It can also be seen from the FeÀ SiÀ B phase diagram that Fe 3 Si will decrease with increasing boron content. [28] At high boron content ((Fe 78 Si 11 B 11 )78.7B21.3), more Fe 5 SiB 2 and less Fe 3 Si phase precipitate, corresponding to more type 3 galvanic cells and higher degradation efficiency. Lower boron content ensures CÀ Fe 78 Si 11 B 11 a higher Fe 3 Si phase.…”

Section: Discussionmentioning

confidence: 99%

The Pivotal Role of Boron in Improving the Azo Dye Degradation of Glassy Fe‐based Catalysts

Xie

Kruzic

et al. 2020

ChemCatChem

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Fe‐based metallic glasses have been confirmed to degrade azo dyes effectively, however, a detailed understanding, of the role of alloying elements and crystallization is still elusive. Herein, it is reported that boron‐facilitated hybrid structures greatly improve the degradation of methyl orange (MO) and the degrading rate can be further improved by 2.5 times after fully crystallization. Three distinct types of galvanic cells created by different iron‐containing phases are believed to dominate the degradation reactions. Most notably, some FeB‐based compounds precipitated from FeB‐based metallic glasses, such as Fe2B, FeB and Fe5SiB2, are found to have more negative electrode potential and higher catalytic efficiency than iron. These compounds create galvanic cells with α‐Fe and lose electrons, therefore promoting the degradation reaction. The favorable effects of the FeB‐based compounds are discussed at the light of their electron densities and energy band structures. These findings open a new research strategy to developing iron‐bearing catalysts for improved degradation of azo dyes.

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Section: Discussionmentioning

confidence: 99%

The Pivotal Role of Boron in Improving the Azo Dye Degradation of Glassy Fe‐based Catalysts

Xie

Kruzic

et al. 2020

ChemCatChem

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“…Therefore, in order to produce the amorphous-crystalline composite in which the soft phase improves its ductility, one should properly choose the alloying element, and all of the above reasons should be taken into account. The ternary Fe-Si-B alloys are very-well-known for their excellent mechanical behavior and good magnetic and magnetoelastic properties as well as their prospective use in sensors and bio-sensors [16][17][18][19][20][21]. However, no reports can be found on improving the ductility of Fe-Si-B-based alloys without affecting the Fe-Si-B matrix and, thus, the deterioration of its excellent properties.…”

Section: Introductionmentioning

confidence: 99%

MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AMORPHOUS/CRYSTALLINE DUCTILE LIQUID IMMISCIBLE Fe-Si-B-In ALLOY PRODUCED BY TWO-COMPONENT MELT-SPINNING

Ziewiec

Wojciechowska

Mucha

et al. 2017

mafe

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Microstructure and mechanical properties of amorphous/crystalline ductile liquid immiscible Fe-Si-B-In alloy produced by two-component melt-spinning Mikrostruktura i właściwości mechaniczne ciągliwego stopu amorficzno-krystalicznego na osnowie Fe-Si-B-In wytworzonego przez odlewanie na wirujący walec z tygla dzielonego AbstractThe two-component melt-spun (TCMS) Fe 71.25 Si 9.5 B 14.25 In 5 alloy was produced from Fe 75 Si 10 B 15 and Fe 67.5 Si 9 B 13.5 In 10 alloys. The microstructure of the TCMS alloy was investigated by means of scanning electron microscopy (SEM) and X-ray diffraction (XRD). A tensile test of the alloy resulted in a tensile strength of R m = 1040 MPa, yield strength R e = 919 MPa, total plastic elongation e tot = 3.29%, and traces of plastic deformation on the surface of the Fe-Si-B-In TCMS sample. Microstructural analysis of the amorphous/crystalline composite and tensile sample free surface show the reason for the ductility of the sample in relation to the Fe 75 Si 10 B 15 alloy. Keywords: metallic glasses, X-ray diffraction (XRD), scanning electron microscopy (SEM), tensile test, ductility

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“…That is, for the range of Si content considered in this work, the addition of Si had no effect on the microstructure of the Fe-B-Si alloy, consistent with the results of previous studies. [28,29] Electron probe line scanning analysis was performed on the 0.318 wt pct-Si sample. The results revealed (see Figure 5) that B in the alloy exists mainly in the form of a Fe-B compound, and the Cr peak exhibits an almost one-to-one correspondence with the B peak.…”

Section: A Microstructure and Elemental Distribution Of The Directiomentioning

confidence: 99%

Effect of Silicon on Corrosion of Directional Fe-B-Si Alloy in Liquid Zinc

Liu

Feng³

et al. 2021

Metall Mater Trans A

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The effect of Si on the corrosion of an Fe-B-Si alloy in liquid zinc was investigated. Corrosion tests of Fe-B-Si were conducted in a pure zinc bath (99.99 wt pct Zn). The results indicated that Si in a-Fe phase had a significant effect on the structure and evolution of corrosion interfaces in a directional Fe-B-Si alloy immersed in liquid zinc. Moreover, Si enrichment of the corroded interface induced changes in the mode of element diffusion, thereby affecting the Fe-Zn reaction and the quantity and volume of Fe-Zn compound. The Fe-Zn compound was occluded with the residual Fe 2 B closest to the corrosion interface, this structure could prevent direct contact between the liquid zinc and the alloy, and firm rooting of the compound at the interface. Therefore, Si in a-Fe phase had a significant effect on the corrosion resistance of Fe-B-Si alloy in liquid zinc. At a Si content of 0.318 wt pct, the densest composite corrosion product layer and highest corrosion resistance were obtained.

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Assessment of the ternary Fe–Si–B phase diagram

Cited by 35 publications

References 40 publications

The Pivotal Role of Boron in Improving the Azo Dye Degradation of Glassy Fe‐based Catalysts

The Pivotal Role of Boron in Improving the Azo Dye Degradation of Glassy Fe‐based Catalysts

MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AMORPHOUS/CRYSTALLINE DUCTILE LIQUID IMMISCIBLE Fe-Si-B-In ALLOY PRODUCED BY TWO-COMPONENT MELT-SPINNING

Effect of Silicon on Corrosion of Directional Fe-B-Si Alloy in Liquid Zinc

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