The isothermal section of the phase diagram of the Dy-Zr-Si ternary system at 773 K was determined by X-ray diffraction (XRD) analysis, metallographic analysis, and scanning electron microscopy (SEM) with energy-dispe...The isothermal section of the phase diagram of the Dy-Zr-Si ternary system at 773 K was determined by X-ray diffraction (XRD) analysis, metallographic analysis, and scanning electron microscopy (SEM) with energy-dispersive spectrometer (EDS) analysis. The isothermal section consists of 13 single-phase regions, 23 two-phase regions, and 11 three-phase regions. The solubilities of Zr in Dy, Dy5Si4, Dy5Si3, DySi, DySi2, DySi1.67, and Dy in Zr, Zr2Si, Zr3Si2, Zr5Si4, ZrSi, and ZrSi2 were determined at 773 K.展开更多
Phase diagram is an important basis for materials research and materials application.The phase relations of the Nd-Zr-Si ternary system at 773 K were investigated by X-ray powder diffraction analysis,metallographic an...Phase diagram is an important basis for materials research and materials application.The phase relations of the Nd-Zr-Si ternary system at 773 K were investigated by X-ray powder diffraction analysis,metallographic analysis and scanning electron microscopy with en-ergy dispersive analysis.The isothermal section of the phase diagram of the Nd-Zr-Si ternary system at 773 K was determined.The isother-mal section of the system consisted of 13 single-phase regions,23 two-phase regions and 11 three-phase regions.The homogeneity range of α-NdSix was from 63 at.% to 66 at.% Si（with x=1.70-1.94）.The maximum solid solubilities of Nd in Zr-Si binary compounds and Zr in the Nd-Si binary compounds were observed less than 1 at.% at 773 K.展开更多
基金financially supported by the National Natural Science Foundation of China(Nos.50861005and50961002)the Natural Science Foundation of Guangxi(No.2011GXNSFD018005)the Plans for Construction of Scientific Topnotch and Innovation Team in Guangxi Uni-versity,China(No.31)
文摘The isothermal section of the phase diagram of the Dy-Zr-Si ternary system at 773 K was determined by X-ray diffraction (XRD) analysis, metallographic analysis, and scanning electron microscopy (SEM) with energy-dispersive spectrometer (EDS) analysis. The isothermal section consists of 13 single-phase regions, 23 two-phase regions, and 11 three-phase regions. The solubilities of Zr in Dy, Dy5Si4, Dy5Si3, DySi, DySi2, DySi1.67, and Dy in Zr, Zr2Si, Zr3Si2, Zr5Si4, ZrSi, and ZrSi2 were determined at 773 K.
基金Project supported by the Natural Science Foundation of China (50861005,50961002)Natural Science Foundation of Guangxi(2011GXNSFD018005)Plan of the Top Innovation Team Construction of Guangxi University (31)
文摘Phase diagram is an important basis for materials research and materials application.The phase relations of the Nd-Zr-Si ternary system at 773 K were investigated by X-ray powder diffraction analysis,metallographic analysis and scanning electron microscopy with en-ergy dispersive analysis.The isothermal section of the phase diagram of the Nd-Zr-Si ternary system at 773 K was determined.The isother-mal section of the system consisted of 13 single-phase regions,23 two-phase regions and 11 three-phase regions.The homogeneity range of α-NdSix was from 63 at.% to 66 at.% Si（with x=1.70-1.94）.The maximum solid solubilities of Nd in Zr-Si binary compounds and Zr in the Nd-Si binary compounds were observed less than 1 at.% at 773 K.
