FeNiB-based metallic glasses with fcc crystallisation products
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Abstract
AbstractBulkmetallicglasses(MGs)arecurrentlysubjectofintenseresearchduetotheiruniquemechanicalproperties:NewtonianviscousformabilitybetweentheglasstransitiontemperatureT g andcrystallisationtemperatureT x andelasticstrainrangeofwellover1%belowT g .However,someMGsarebrittle.Fe-basedMGsandsomeothersarepronetothermalembrittlementevenduringthequench.CompositionaladjustmentsinthedesignofFeB-basedalloyshaveallowedpreparationofmetalloidpoorFe 40 Co 5 Ni 35 Zr 5 B 15 thathasc-Feasaprimarycrystallisationproductforob-tainingductilityofmetallicglass-matrixtoughenedbyc-Fecrystallisation.Structuralcharacterisationusingdiffractionofhighenergysynchrotronlight,transmissionelectronmicroscopy,scanningelectronmicroscopyarepresentedtogetherwithhardnessandweardata. 2002ElsevierScienceB.V.Allrightsreserved. 1.IntroductionDuetotheirnearly2%elasticstrainrange(ascomparedto0.2%forcrystallinematerials),me-tallicglasses(MGs)currentlyhavethebestknownAshbyperformanceindexr 2 =E (wherer andEaretheyieldstrengthandYoung’smodulusrespec-tively).Largerindicesofthisperformanceindexforsprings(reversiblestoringofelasticenergy)minimisevolume.Inadditiontometallichardnessandtoughness,someMGshavetheformabilityofpolymersintheirsupercooledliquidtemperaturerangebetweentheglasstransition,T
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys · Phase-change materials and chalcogenides · Glass properties and applications
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References (16)
Show source-provided references
1. Inoue · Acta Mater. · 2000 · 48 · 277
2. Pampillo · Mater. Sci. Eng. · 1974 · 13 · 18110.1016/0025-5416(74)90185-2 ↗
3. Szuecs · Acta Mater. · 2001 · 49 · 150710.1016/S1359-6454(01)00068-4 ↗
4. Yavari · J. Mater. Res. · 1986 · 1 · 74610.1557/JMR.1986.0746 ↗
5. Yavari · Mater. Sci. Eng. · 1988 · 98 · 49110.1016/0025-5416(88)90214-5 ↗
6. A.R. Yavari, contrat HPRN-CT-2000-00033, EU Network on Bulk Metallic Glasses10.1557/PROC-644-L12.20 ↗
7. A.R. Yavari, A. Inoue, J. Metastable Nanocryst. Mater., in press
8. Yavari · Scripta Mater. · 2001 · 44 · 123910.1016/S1359-6462(01)00689-3 ↗
9. J.L. Uriarte, A.R. Yavari, S. Suriñach, P. Rizzi, G. Heunen, M. Baricco, M.D. Baró, A. Kvick, Proceed. 15th Soft Magnetic Materials Conf., Bilbao 5–7 September, 2001
10. Yavari · Mater. Sci. Eng. A · 2001 · 304 · 3410.1016/S0921-5093(00)01430-1 ↗
11. Rutherford · Surf. Coat. Technol. · 1996 · 79 · 23110.1016/0257-8972(95)02461-1 ↗
12. Rutherford · J. Testing Eval. · 1997 · 25 · 25010.1520/JTE11487J ↗
13. Khan · Z. Metallkd. · 1991 · 82 · 703
14. Ayel · Acad. Sci., Ser. C · 1967 · 264 · 1756
15. Bashev · Inorg. Mater. · 1981 · 17 · 892
16. Greer · MRS Symp. Proc. · 2001 · 644 · L10.4.1