Phase equilibria of the Mo–Al–Ho ternary system
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Yitai Li
Abstract
Investigation into the reactions and phase equilibria of transition metal elements (i. e. Mo, Zr, Cr, V and Ti), Al and rare earths is academically and industrially important for the development of both refractory alloys and lightweight high-temperature materials. In this work, the equilibria of the Mo–Al–Ho ternary system at 773 K have been determined by using X-ray powder diffraction and scanning electron microscopy equipped with energy dispersive X-ray analysis. A new ternary phase Al4Mo2Ho has been found and the other ternary phase Al43Mo4Ho6 is observed. Ten binary phases in the Al–Mo and Al–Ho systems, including Al17Mo4 rather than Al4Mo, have been determined to exist at 773 K. The homogeneity ranges of AlMo3 and Al8Mo3 phase are 7.5 at.% and 1 at.%, respectively. According to the phase-disappearing method, the maximum solubility of Al in Mo is about 16 at.%.
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© 2017, Carl Hanser Verlag, München
Artikel in diesem Heft
- Contents
- Contents
- Review
- Current developments of biomedical porous Ti–Mo alloys
- Original Contributions
- Investigation of crystallization kinetics and deformation behavior in supercooled liquid region of CuZr-based bulk metallic glass
- Modeling of hardening and fracture behavior in Gr.65 steel after intercritical heat treatments
- Time evolution of agglomerate size of semisolid magnesium alloy AZ91D during a real isothermal shearing
- Effect of stirring speed on microstructure of A356 alloy cast through rheometal process
- Phase equilibria of the Mo–Al–Ho ternary system
- Experimental investigation of phase equilibria in the Zr–Cu–Ni ternary system
- Hot corrosion of the ceramic composite coating Ni3Al–Al2O3–Al2O3/MgO plasma sprayed on 316L stainless steel
- Tribological properties of B4C–TiB2–TiC–Ni cermet coating produced by HVOF
- Electrochemically fabricated Fe–Ni alloy nanowires and their structural characterization
- Short Communications
- Synthesis and growth mechanisms of ZrC whiskers fabricated by a VLS process
- DGM News
- DGM News
Artikel in diesem Heft
- Contents
- Contents
- Review
- Current developments of biomedical porous Ti–Mo alloys
- Original Contributions
- Investigation of crystallization kinetics and deformation behavior in supercooled liquid region of CuZr-based bulk metallic glass
- Modeling of hardening and fracture behavior in Gr.65 steel after intercritical heat treatments
- Time evolution of agglomerate size of semisolid magnesium alloy AZ91D during a real isothermal shearing
- Effect of stirring speed on microstructure of A356 alloy cast through rheometal process
- Phase equilibria of the Mo–Al–Ho ternary system
- Experimental investigation of phase equilibria in the Zr–Cu–Ni ternary system
- Hot corrosion of the ceramic composite coating Ni3Al–Al2O3–Al2O3/MgO plasma sprayed on 316L stainless steel
- Tribological properties of B4C–TiB2–TiC–Ni cermet coating produced by HVOF
- Electrochemically fabricated Fe–Ni alloy nanowires and their structural characterization
- Short Communications
- Synthesis and growth mechanisms of ZrC whiskers fabricated by a VLS process
- DGM News
- DGM News
