High entropy state of orientationally-disordered clusters in Zr-based bulk metallic glass

Progress in Natural Science: Materials International

Volumn 20, Issue 1, 2010, Pages 87-96

  Takeuchi, Akira ^a   Ogata, Makoto ^a   Inoue, Akihisa ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

Communal entropy; Metallic glass; Molecular dynamics simulation; Percolation; Plastic crystal

Indexed keywords

COMPUTATION THEORY; CRYSTALLINE MATERIALS; DEGREES OF FREEDOM (MECHANICS); ENTROPY; GLASS; GLASS TRANSITION; METALLIC GLASS; METALS; ROTATION; SOLVENTS; ZIRCONIUM ALLOYS;

(METALLIC) GLASS; COMMUNAL ENTROPY; CRYSTAL MODELS; DYNAMICS SIMULATION; ENTROPY STATE; METASTABLES; MOLECULAR DYNAMIC SIMULATION; PERCOLATION; PLASTIC CRYSTALS; ZR BASED BULK METALLIC GLASS;

MOLECULAR DYNAMICS;

EID: 84856193766     PISSN: 10020071     EISSN: None     Source Type: Journal    
DOI: 10.1016/s1002-0071(12)60012-4     Document Type: Article

References (16)

1. KLEMENT W, WILLENS R H, DUWEZ P. Non-crystalline structure in solidified gold-silicon alloys [J]. Nature, 1960, 185(4740): 869-870.
2. BERNAL J D. Geometry of the structure of monatomic liquids [J]. Nature, 1960, 185(4706): 68-70.
3. GASKELL P H. A new structural model for amorphous transition metal silicides, borides, phosphides and carbides [J]. J Non-Cryst Solids, 1979, 32(1/3): 207-224.
4. MIRACLE D B. The efficient cluster packing model-An atomic structural model for metallic glasses [J]. Acta Mater, 2006, 54(16): 4317-4336.
5. SHENG H W, LUO W K, ALAMGIR F M, BAI J M, MA E. Atomic packing and short-to-medium-range order in metallic glasses [J]. Nature, 2006, 439(7075): 419-425.
6. YAVARI A R. Materials science: A new order for metallic glasses [J]. Nature, 2006, 439(7075): 405-406.
7. TAKEUCHI A, YOKOYAMA Y, KATO H, YUBUTA K, INOUE A. Formation of Zr66.7Al11.1Ni22.2 noncrystalline alloys demonstrated by molecular dynamics simulations based on distorted plastic crystal model [J]. Intermetallics, 2008, 16(6): 819-826.
8. GRAY G W. Liquid crystals and plastic crystals [M]//Ellis Horwood Series in Physical Chemistry, Vols.1 and 2. New York: Halsted Press, 1974.
9. TAKEUCHI A, YUBUTA K, YOKOYAMA Y, YAVARI A R, INOUE A. Noncrystalline structure created through ensemble of clusters in metastable cubic Zr2Ni structure by their random rotations and subsequent annealing [J]. Intermetallics, 2008, 16(6): 774-778.
10. YEH J W, CHEN S K, LIN S J, GAN J Y, CHIN T S, SHUN T T, TSAU C H, CHANG S Y. Nanostructured high-entropy alloys with multiple principal elements: Novel alloy design concepts and outcomes [J]. Adv Eng Mater, 2004, 6(5): 299-303.
11. LI D, SAIDA J, INOUE A. Relationship between the precipitation of face-centered cubic Zr2Ni phase and the stability of supercooled liquid state in Zr-Cu-Ni-Al metallic glasses [J]. Mater Trans, JIM, 2000, 41(11): 1521-1525.
12. DAAMS J L C, VILLARS P, VAN VUCHT J H N. Atlas of crystal structure types for intermetallic phases [M]. USA: ASM International American Society for Metals, 1991.
13. MIZOGUCHI T, YAMADA S, SUEMASA T. Structure and physical properties of amorphous (Fe, Co, Ni, Pd)-Zr alloys [C]// MASUMOTO T, SUZUKI K. Proceedings of Fourth International Conference on Rapidly Quenched Materials. Japan Inst Metals, 1978: 363-366.
14. ZALLEN R. The physics of amorphous solids [M]. Weinheim: Wiley-VCH Verlag GmbH & Co. KGaA, 2004: 1-304.
15. COHEN M H, GREST G S. Liquid-glass transition, a free-volume approach [J]. Phys Rev B, 1979, 20(3): 1077-1098.
16. TAKEUCHI A, YUBUTA K, OGATA M, INOUE A. Molecular dynamics simulations of critically percolated, cluster-packed structure in Zr-Al-Ni bulk metallic glass [J]. J Mater Sci, 2009, 45(18): 4898-4905.