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Formation of Ca–Mg–Zn bulk glassy alloy by casting into cone-shaped copper mold

Published online by Cambridge University Press:  03 March 2011

E.S. Park  and
D.H. Kim
E.S. Park
Affiliation:
Center for Non-crystalline Materials, Department of Metallurgical Engineering, Yonsei University, Seoul 120-749 Korea
D.H. Kim*
Affiliation:
Center for Non-crystalline Materials, Department of Metallurgical Engineering, Yonsei University, Seoul 120-749 Korea
*
a)Address all correspondence to this author.e-mail: [email protected]
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Abstract

A new Ca–Mg–Zn alloys having significantly improved glass-forming ability (GFA) has been developed. The ternary Ca65Mg15Zn20 bulk metallic glass with diameter of at least 15 mm is successfully fabricated by conventional copper-mold casting method in air atmosphere. The critical cooling rate for glass formation in the cone-shaped copper mold is less than 20 K/s. When compared with the GFA of Ca–Mg–M (M: Cu, Ni, and Ag) alloys, the significantly improved GFA of the Ca–Mg–Zn alloy cannot be represented by ΔTx, Trg, K, and γ parameters.

Keywords

CastingMetallic glassCritical exponent analysis
Type
Rapid Communications
Information
Journal of Materials Research , Volume 19 , Issue 3 , March 2004 , pp. 685 - 688
Copyright
Copyright © Materials Research Society 2004

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References

REFERENCES

1Inoue, A., Zhang, W., Zhang, T. and Kurosaka, K., Acta Mater. 49 2645 (2001).CrossRefGoogle Scholar
2Inoue, A. and Zhang, W., Mater. Trans. JIM. 43 2921 (2002).CrossRefGoogle Scholar
3Choi-Yim, H., Xu, D.H. and Johnson, W. L., Appl. Phys. Lett. 82 1030 (2003).CrossRefGoogle Scholar
4Zhang, W. and Inoue, A., Mater. Trans. JIM. 43 2342 (2002).CrossRefGoogle Scholar
5Lee, M.H., Bae, D.H., Kim, W.T., and Kim, D.H., Mater. Trans. JIM. 44, 2084 (2003).CrossRefGoogle Scholar
6Inoue, A., Nakamura, T., Nishiyama, N. and Masumoto, T., Mater. Trans. JIM. 33 937 (1992).CrossRefGoogle Scholar
7Men, H. and Kim, D. H., J., Mater. Res. 18, 1502 (2003).Google Scholar
8Amiya, K. and Inoue, A., Mater. Trans. JIM. 43 81 (2002).CrossRefGoogle Scholar
9Amiya, K. and Inoue, A., Mater. Trans. JIM. 43 2578 (2002).Google Scholar
10Villars, P., Prince, A., and Okamoto, H., eds., Handbook of Ternary Alloy Phase Diagrams 6, (ASM, Materials Park, OH, 1995) p. 7522.Google Scholar
11Inoue, A., Shinihara, Y., Yokoyama, Y. and Masumoto, T., Mater. Trans. JIM. 36 1276 (1995).CrossRefGoogle Scholar
12Inoue, A., Negishi, T., Kimura, H.M., Zhang, T. and Yavari, R., Mater. Trans. JIM. 39 318 (1998).CrossRefGoogle Scholar
13Hruby, A., Czech, J. Phys. B 22 1187 (1972).CrossRefGoogle Scholar
14Lu, Z.P. and Liu, C.T., Acta Mater. 50 3501 (2002).CrossRefGoogle Scholar