Role of Ti in the formation of Zr-Ti-Cu-Ni-Al glasses

Journal Article · Mon Jul 19 00:00:00 EDT 2010 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.2149368· OSTI ID:1008613

Kim, T H; Gangopadhyay, A K; Xing, L Q; Lee, G W; Shen, Y T; Kelton, K F; Goldman, A I; Hyers, R W; Rogers, J R ^[1]

---

1. Ames

It has been widely reported that glass formation improves in Zr{sub 62}Cu{sub 20}Ni{sub 8}Al{sub 10} alloys when small amounts of Ti are substituted for Zr. Glasses containing greater than 3 at. % Ti crystallize to a metastable icosahedral phase, suggesting that Ti enhances icosahedral short-range order in the liquid/glass, making crystallization more difficult during cooling. However, based on containerless solidification and in situ high-energy synchrotron diffraction studies of electrostatically levitated supercooled liquids of these alloys, we demonstrate that Ti inhibits surface crystallization but neither increases the icosahedral short-range order nor improves glass formation.

• Research Organization: Advanced Photon Source (APS), Argonne National Laboratory (ANL), Argonne, IL (US)
• Sponsoring Organization: USDOE
• OSTI ID: 1008613
• Journal Information: Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: (25) ; 12, 2005 Vol. 87; ISSN APPLAB; ISSN 0003-6951
• Publisher: American Institute of Physics (AIP)
• Country of Publication: United States
• Language: ENGLISH

Related Subjects

43 PARTICLE ACCELERATORS
ALLOYS
CRYSTALLIZATION
DIFFRACTION
GLASS
SOLIDIFICATION
SYNCHROTRONS