Multicomponent Fe-Based Glassy Alloys with Wide Supercooled Liquid Region before Crystallization

Inoue, Akihisa; Gook, Jin Seon

doi:10.2320/matertrans1989.36.1282

Cited by 93 publications

(30 citation statements)

References 11 publications

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“…The intensity profile of the SAD pattern was analyzed using a PICTRO STAT DIGITAL 400 image analyzer. [28][29][30][31][32] A sharp exothermic peak with high intensity appeared between 900 K and 950 K and three sequential exothermic peaks were seen before the first sharp endothermic peak at about 1400 K. To examine the structure change corresponding to each exothermic peak, specimens quenched from various stages indicated by arrows in Fig. 1 were prepared.…”

Section: Methodsmentioning

confidence: 99%

Electron Irradiation Induced Nanocrystallization Behavior in Fe71Zr9B20 Metallic Glass

Nagase

Umakoshi

2005

Mater. Trans.

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Electron irradiation was performed in an amorphous phase of Fe 71 Zr 9 B 20 metallic glass. Although the amorphous phase showed high thermal stability with a wide supercooled liquid region of 71 K, it could not maintain the original structure under electron irradiation and electron irradiation induced crystallization occurred at 103 K and 298 K. There was a great difference in phase selection between thermal crystallization and electron irradiation induced crystallization. The irradiation temperature strongly affected the phase selection and transformation kinetics. The dominant factors of phase selection in electron irradiation induced crystallization were discussed on the basis of phase stability against electron irradiation and the necessity of redistribution of constituent atoms.

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Section: Methodsmentioning

confidence: 99%

Electron Irradiation Induced Nanocrystallization Behavior in Fe71Zr9B20 Metallic Glass

Nagase

Umakoshi

2005

Mater. Trans.

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“…Recently, Inoue et al 1 found that Fe-Al-P-C-B-Ga alloys have wide supercooled liquid regions and good soft magnetic properties. The large glass forming ability of this alloy system enables the formation of bulk glassy samples with diameters up to 1 mm by slow cooling.…”

confidence: 99%

Pressure effect on crystallization of metallic glass Fe72P11C6Al5B4Ga2 alloy with wide supercooled liquid region

Jiang

Olsen²,

Gerward

et al. 2000

Journal of Applied Physics

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The effect of pressure on the crystallization behavior of metallic glass Fe72P11C6Al5B4Ga2 alloy with a wide supercooled liquid region has been investigated by in situ high-pressure and high-temperature x-ray diffraction measurements using synchrotron radiation. In the pressure range from 0 to 2.4 GPa, the crystallization temperature, Tx, increases with pressure, p, having a slope of 30 K/GPa while a minimum in Tx was detected in the range from 2.4 to 3.9 GPa. With a further increase of p, Tx is independent of p. The Tx vs p behavior can be qualitatively explained by the suppression of atomic mobility and changes of the Gibbs free energy of various phases with pressure.

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“…Zr-based bulk metallic glasses, such as Zr-Al-Ni-Cu, 1) Zr-Ti-Cu-Ni, 2) Zr-Ti-Ni-Cu-Be 3) and Zr-(Ti,Nb,Pd)-Al-(Ni,Cu), 4) possess high glass-forming ability (GFA), 5) excellent mechanical properties 6) and high corrosion resistance. 7) These glassy alloys have been used as structural materials for some special purposes, such as golf clubs, tennis rackets and optical lens holders.…”

Section: Introductionmentioning

confidence: 99%

Effects of Yttrium and Erbium Additions on Glass-Forming Ability and Mechanical Properties of Bulk Glassy Zr–Al–Ni–Cu Alloys

Luo

Duan

et al. 2006

Mater. Trans.

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Effects of yttrium and erbium additions on glass-forming ability (GFA), thermal stability and mechanical properties of glassy Zr 55 Al 10 Ni 5 Cu 30 alloy were studied. (Zr 0:55 Al 0:10 Ni 0:05 Cu 0:30 ) 100Àx RE x (RE = Y, Er and x ¼ 0; 0:5; 1; 2; 3; 5 at%) metallic glasses were formed by melt-spinning and copper mold casting. It was found that the addition of Y or Er greatly enhanced the glass-forming ability, thermal stability and mechanical properties of Zr 55 Al 10 Ni 5 Cu 30 alloy. The alloys containing 1-3 at% Er can be cast into glassy rods with a diameter of 15 mm, which is larger than the critical diameter (10 mm) of the base alloy in the present work. With the addition of 1 at% Y, supercooled liquid region ÁT x of the base alloy was extended from 89 to 102 K, compressive strength was increased from 1650 to 1800 MPa and plastic strain reached a value as high as 3.5%.

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Multicomponent Fe-Based Glassy Alloys with Wide Supercooled Liquid Region before Crystallization

Cited by 93 publications

References 11 publications

Electron Irradiation Induced Nanocrystallization Behavior in Fe<SUB>71</SUB>Zr<SUB>9</SUB>B<SUB>20</SUB> Metallic Glass

Electron Irradiation Induced Nanocrystallization Behavior in Fe<SUB>71</SUB>Zr<SUB>9</SUB>B<SUB>20</SUB> Metallic Glass

Pressure effect on crystallization of metallic glass Fe72P11C6Al5B4Ga2 alloy with wide supercooled liquid region

Effects of Yttrium and Erbium Additions on Glass-Forming Ability and Mechanical Properties of Bulk Glassy Zr–Al–Ni–Cu Alloys

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Multicomponent Fe-Based Glassy Alloys with Wide Supercooled Liquid Region before Crystallization

Cited by 93 publications

References 11 publications

Electron Irradiation Induced Nanocrystallization Behavior in Fe<SUB>71</SUB>Zr<SUB>9</SUB>B<SUB>20</SUB> Metallic Glass

Electron Irradiation Induced Nanocrystallization Behavior in Fe<SUB>71</SUB>Zr<SUB>9</SUB>B<SUB>20</SUB> Metallic Glass

Pressure effect on crystallization of metallic glass Fe72P11C6Al5B4Ga2 alloy with wide supercooled liquid region

Effects of Yttrium and Erbium Additions on Glass-Forming Ability and Mechanical Properties of Bulk Glassy Zr&ndash;Al&ndash;Ni&ndash;Cu Alloys

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Effects of Yttrium and Erbium Additions on Glass-Forming Ability and Mechanical Properties of Bulk Glassy Zr–Al–Ni–Cu Alloys