首页|A Study of the Zn-Rich Corner of the Zn-Fe-Sn System
A Study of the Zn-Rich Corner of the Zn-Fe-Sn System
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The Zn-rich corner of the 450 deg C isothermal section of the Zn-Fe-Sn system was experimentally determined. Within the composition range explored in this study, the liquid phase was found in equilibrium with the ternary extensions of three binary Zn-Fe phases, the zeta delta, and GAMMA_1 phases. The zeta phase contains practically no Sn in solid solution; Sn solubility limits in the delta and GAMMA_1 phases were 2.2 at. percent and 7.0 at. percent, respectively. The only Fe-Sn compound detected in this study was FeSn, which co-existed with the GAMMA_1 phase. When its Sn content was lower than approximately 26 at. percent, the liquid solidified in water quenching as a degenerated eutectic consisting of a mixture of eta-Zn and beta-Sn co-existing with primary zeta crystallites. When its Sn content exceeded approximately 70 at. percent, the liquid transformed into metallic glass containing mostly Sn, Zn, and a small amount of Fe upon water quenching from 450 deg C.
Nai-Yong Tang、Xuping Su、Xue Bin Yu
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Teck Cominco Metals Ltd. Product Technology Centre, Mississauga, Ontario, Canada
NSTL
