Bulk glass formation in the Ni-Zr-Ti-Nb-Si-Sn alloy system

J. Y. Lee; D. H. Bae; J. K. Lee; D. H. Kim

doi:10.1557/JMR.2004.0286

Bulk glass formation in the Ni-Zr-Ti-Nb-Si-Sn alloy system

J. Y. Lee, D. H. Bae, J. K. Lee, D. H. Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

In this study, the effect of addition of Nb on glass formation in Ni-Ti-Zr-Si-Sn alloys has been studied. The composition range for bulk glass formation with D_max > 2 mm (D_max, maximum diameter for glass formation by injection cast method) becomes wider when compared with the non-Nb-containing alloy. The ΔT_x (= T_x - T_g; T_x, crystallization onset temperature; T_g, glass transition temperature), T_rg (= T_g/T_l; T_l, liquidus temperature) and γ [= T_x/(T_l + T_g ] values for the alloys D_max > 2 mm are in the range of 40-59, 0.638-0.651, and 0.410-0.419, respectively. The compositions of the alloys (D_max > 2 mm) are closer to pseudo-eutectic composition than that of the alloy without Nb, showing an improved glass forming ability. The critical cooling rate for glass formation (D_max = 5 mm) is estimated to be order of approximately 40 K/s.

Original language	English
Pages (from-to)	2221-2225
Number of pages	5
Journal	Journal of Materials Research
Volume	19
Issue number	8
DOIs	https://doi.org/10.1557/JMR.2004.0286
Publication status	Published - 2004 Aug

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Bulk glass formation in the Ni-Zr-Ti-Nb-Si-Sn alloy system",

abstract = "In this study, the effect of addition of Nb on glass formation in Ni-Ti-Zr-Si-Sn alloys has been studied. The composition range for bulk glass formation with Dmax > 2 mm (Dmax, maximum diameter for glass formation by injection cast method) becomes wider when compared with the non-Nb-containing alloy. The ΔTx (= Tx - Tg; Tx, crystallization onset temperature; Tg, glass transition temperature), Trg (= Tg/Tl; Tl, liquidus temperature) and γ [= Tx/(Tl + Tg ] values for the alloys Dmax > 2 mm are in the range of 40-59, 0.638-0.651, and 0.410-0.419, respectively. The compositions of the alloys (Dmax > 2 mm) are closer to pseudo-eutectic composition than that of the alloy without Nb, showing an improved glass forming ability. The critical cooling rate for glass formation (Dmax = 5 mm) is estimated to be order of approximately 40 K/s.",

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AU - Bae, D. H.

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AU - Kim, D. H.

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N2 - In this study, the effect of addition of Nb on glass formation in Ni-Ti-Zr-Si-Sn alloys has been studied. The composition range for bulk glass formation with Dmax > 2 mm (Dmax, maximum diameter for glass formation by injection cast method) becomes wider when compared with the non-Nb-containing alloy. The ΔTx (= Tx - Tg; Tx, crystallization onset temperature; Tg, glass transition temperature), Trg (= Tg/Tl; Tl, liquidus temperature) and γ [= Tx/(Tl + Tg ] values for the alloys Dmax > 2 mm are in the range of 40-59, 0.638-0.651, and 0.410-0.419, respectively. The compositions of the alloys (Dmax > 2 mm) are closer to pseudo-eutectic composition than that of the alloy without Nb, showing an improved glass forming ability. The critical cooling rate for glass formation (Dmax = 5 mm) is estimated to be order of approximately 40 K/s.

AB - In this study, the effect of addition of Nb on glass formation in Ni-Ti-Zr-Si-Sn alloys has been studied. The composition range for bulk glass formation with Dmax > 2 mm (Dmax, maximum diameter for glass formation by injection cast method) becomes wider when compared with the non-Nb-containing alloy. The ΔTx (= Tx - Tg; Tx, crystallization onset temperature; Tg, glass transition temperature), Trg (= Tg/Tl; Tl, liquidus temperature) and γ [= Tx/(Tl + Tg ] values for the alloys Dmax > 2 mm are in the range of 40-59, 0.638-0.651, and 0.410-0.419, respectively. The compositions of the alloys (Dmax > 2 mm) are closer to pseudo-eutectic composition than that of the alloy without Nb, showing an improved glass forming ability. The critical cooling rate for glass formation (Dmax = 5 mm) is estimated to be order of approximately 40 K/s.

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Bulk glass formation in the Ni-Zr-Ti-Nb-Si-Sn alloy system

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