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The phase equilibria of the binary La–Ti and La–Zr system have been investigated between 900K and 2300K by combining conical nozzle levitation technique with in situ high energy synchrotron X-ray diffraction. The coexistence ranges of phases as well as experimental data of the liquidus and binodal line were obtained from the analysis of the diffraction data. The monotectic character of the La–Ti system...
The phase equilibria of the binary Nd–Ti system have been directly assessed at elevated temperatures between T=1000 and 2100K by combining conical nozzle levitation with in situ high-energy synchrotron X-ray diffraction. Nd–Ti is a monotectic system. The coexistence of two liquids above the monotectic temperature T=1840±20K was directly observed by the occurrence of two diffuse diffraction maxima...
The phase equilibria of the binary Ce–Zr system have been investigated between 900K and 1800K by a combining conical nozzle levitation technique with in situ high energy synchrotron X-ray diffraction. From the diffraction data the phase sequences and the liquidus line were determined experimentally. The Ce–Zr system is an eutectic type. The eutectic reaction L↔bcc-Ce+hcp-Zr occurs at T=1113±5K at...
We have investigated formation mechanisms of the icosahedral (i-) phase in a Cu-enriched region of the Al-Cu-Fe system. The formation of i-phase in the Al-Cu-Fe alloy system is characterized by the peritectic reaction: λ 2 +L->I (λ 2 is an Al 3 Fe compound with over 5at.% Cu), which has been observed even in the Cu-enriched region. Therefore, we have tried to avoid the λ...
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