Crystallization of Fe-based amorphous alloys

F, W.J Botta; Negri, D.; Yavari, A.R.

doi:10.1016/s0022-3093(99)00024-1

Cited by 28 publications

(13 citation statements)

References 16 publications

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“…Since bulk Fe-based amorphous alloys first were reported in 1995, [13] a series of Fe-based amorphous alloys with a high GFA have been developed. [14][15][16][17][18][19][20][21][22] The amorphous alloy Fe 41 Co 7 Cr 15 Mo 14 C 15 B 6 Y 2 exhibits an excellent GFA [20] ; its critical diameter, which is the maximum casting diameter where the cooling rate is higher than the critical cooling rate to form an amorphous structure, can reach up to 16 mm. Although the mechanical properties of this amorphous steel have been reported, [23,24] little data exists on its corrosion behavior.…”

Section: Introductionmentioning

confidence: 99%

Corrosion Behavior of Fe41Co7Cr15Mo14C15B6Y2 Bulk Metallic Glass in Sulfuric Acid Solutions

Fan

Zheng

Wang

et al. 2010

Metall Mater Trans A

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bulk metallic glass with a diameter of 5 mm was prepared with the copper-mold-casting method. The corrosion resistance of this amorphous steel in sulfuricacid solutions was determined by electrochemical measurements. The passive film formed on the surface of the alloy after immersion in the 0.5-mol/l H 2 SO 4 solution for 1 week was analyzed by X-ray photoelectron spectroscopy (XPS). Electrochemical measurements show that the corrosion resistance of the amorphous steel in the 1 mol/l-H 2 SO 4 solution is superior to a stainless steel (SUS 321), and is almost the same as Ti6Al4V, which shows that the amorphous steel has an excellent corrosion resistance in sulfuric-acid solutions. As the concentration of the sulfuricacid solutions increases from 0.5 mol/l to 4 mol/l, the corrosion resistance of the amorphous steel decreases. The XPS result reveals that a bilayer structure of protective film formed on the surface of the amorphous steel in a H 2 SO 4 solution. The compositions of the inner part of the film are MoO 2 , Cr 2 O 3 , CoO, and FeO, and those of the outer film are MoO 3 , Cr(OH) 3 , Co(OH) 2 , and Fe(OH) 3 .

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Section: Introductionmentioning

confidence: 99%

Corrosion Behavior of Fe41Co7Cr15Mo14C15B6Y2 Bulk Metallic Glass in Sulfuric Acid Solutions

Fan

Zheng

Wang

et al. 2010

Metall Mater Trans A

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show abstract

“…In part, the failure of the KJMA equation clearly follows from the considerably non-linear character of the socalled Avrami plots (e.g. [7,8]). …”

Section: Introductionmentioning

confidence: 99%

Analytical description of isothermal primary crystallization kinetics of glasses: Fe85B15 amorphous alloy

Tkatch¹,

Rassolov²,

Moiseeva³

et al. 2005

Journal of Non-Crystalline Solids

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“…And its size, kind, distribution, and fraction have been investigated by HREM. By these outcomes, various phenomena during nanocrystallization were clarified [3,4].…”

Section: Introductionmentioning

confidence: 98%

The crystal fraction determination of the nanocrystalline phase transformed from the Fe-base amorphous matrix using EXAFS

Kim

Koo

2004

Journal of Alloys and Compounds

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Crystallization of Fe-based amorphous alloys

Cited by 28 publications

References 16 publications

Corrosion Behavior of Fe41Co7Cr15Mo14C15B6Y2 Bulk Metallic Glass in Sulfuric Acid Solutions

Corrosion Behavior of Fe41Co7Cr15Mo14C15B6Y2 Bulk Metallic Glass in Sulfuric Acid Solutions

Analytical description of isothermal primary crystallization kinetics of glasses: Fe85B15 amorphous alloy

The crystal fraction determination of the nanocrystalline phase transformed from the Fe-base amorphous matrix using EXAFS

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