Abstract
The Phase relationship in the Er–Mn–Ti ternary system at 773 K has been investigated by X-ray powder diffraction analysis with the aid of differential thermal analysis and optical microanalysis techniques in this work. The existence of eight binary compounds Mn 15Ti 85, αMnTi, βMnTi, Mn 2Ti, Mn 5Ti, ErMn 12, Er 6Mn 23 and ErMn 2 has been confirmed at 773 K in this system. The maximum solid solubility of Ti in Mn is about 8 at%Ti. The homogeneity range of Mn 2Ti extends from about 31 at% to 39 at% Ti. The maximum solid solubility of Er in Mn 2Ti phase is about less than 1 at% Er. No ternary compounds were found in this ternary system at 773K. At 773 K, the isothermal section of phase diagram of Er–Mn–Ti ternary system consists of 11 single-phase regions, 19 two-phase regions and 9 three-phase regions.
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