metastable phase
Constitution of Stable and Metastable Phase Diagrams for TmFeO3 ScFeO3 System by Undercooling Solidification Using the Containerless Technique
... garnet phase irrespective of whether the melting temperature is congruent or ...garnet phase in the sample solidi- fied from undercooled melt is caused by the small activation energy of h-LnFeO 3 ...
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Cu Segregation around Metastable Phase in Al Mg Si Alloy with Cu
... Figure 5(a) shows a zero-loss image in the sample over- aged at 573 K for 60 ks. Coarse precipitates are observed in it. Fig. 5(b) is an enlarged image of the precipitate marked by the white arrow in (a), and its HRTEM ...
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Effects of Metastable Phase Formation on the Magnetic Properties of Pr4 5Fe77B18 5 Amorphous Ribbons
... The hard magnetic properties of rare earth (RE)-Fe–B amorphous ribbons with low RE contents are largely im- proved by the crystallization of amorphous phase at temper- atures from 600 to 800 ◦ C. 1–10) The alloys ...
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Evaluation of the Glass Forming Ability of Zr Ti Be Ternary Alloys Using the CALPHAD Type Approach
... metastable phase equilibria between the B2 ordered bcc phase and the liquid phase are also ...the phase equilibria involving the liquid phase is useful as a first step in the ...
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Phase Selective Synthesis of CIGS Nanoparticles with Metastable Phases Through Tuning Solvent Composition
... [15–21]. Phase control is one of the most important point for the synthesis of chal- cogenide NPs because their optoelectronic properties de- pend on the crystal structure ...stable phase with tetragonal ...
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Polymorphism, mesomorphism, and metastability of monoelaidin in excess water
... ABSTRACT The polymorphic and metastable phase behavior of monoelaidin dry and in excess water was studied by using high-sensitivity differential scanning calorimetry and time-resolved x-[r] ...
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Metastable monotectic phase separation in Co–Cu alloys
... Co-rich phase can contain a fine dispersion of Cu-rich particles while the bulk Cu-rich phase may (Figure 6c) or may not (Figure 11a) contain a similar fine dispersion of Co-rich ...the metastable ...
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Effects of Cu and Transition Metals on the Precipitation Behaviors of Metastable Phases at 523 K in Al Mg Si Alloys
... Precipitates with elongated cross-sections were observed in alloys 7 and 9. Figure 9 shows a typical bright field of the al- loy 9. Many elongated cross-sections can be seen in Fig. 9(b). A HRTEM image of the precipitate ...
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Phase Field Simulation of Spinodal Decomposition on Metastable Hexagonal Close Packed Phase in Magnesium Yttrium Zinc Alloy
... of phase decomposition [Fig. 1(f )], the final two-phase microstructure consists of Mg4 at% Y (white part) and Mg37 at% Y53 at% Zn (black ...calculated metastable phase diagram proposed by ...
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Polymorphism in cyclohexanol
... plastic phase I is the full conformational range of the molecule expressed (Andre´ et ...the metastable phase III 0 the molecules order and all exhibit the equatorial ...in phase III 0 at 215 ...
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Metastable Q-balls
... Although the metastable vacuum decay is thoroughly considered in [5], additional global U(1)-invariance provides some subtleties (see, for example [6]). There are also technical problems with exponential ...
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Wootz: Cast Iron or Steel?
... If ledeburite network is continuous, then level of plasticity of the alloy is approaching the level of the eutectic component. This is because grains of solid solution are isolated from each other fragile of eutectic. ...
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Effect of Trace Additions of Ag on Precipitation in Al Mg Alloys
... Identification of these rod-like or/and plate-like particles using electron diffraction techniques proved difficult due to rapid oxidation of these precipitate particles during the process of electropolishing. However, ...
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Homogeneous crystalline FeSi2 films of c (4 × 8) phase grown on Si (111) by reactive deposition epitaxy
... In summary, using RDE method, we have shown that a homogeneous crystalline iron silicide thin film of c (4 × 8) phase can be grown on the Si (111) surface at a temperature above approximately 750°C. The thickness ...
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Effect of Combination on Properties of Cu-Ag Nanocomposites Synthesized by Heat Treatment
... Mechanical alloying process has become a widely used technique to form powder materials and to synthesize a large rang of non-equilibrium phases, from amorphous materials to nano-crystalline phases, to extended solid ...
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“Thermodynamics Associated with Monitoring Pre-Nucleation Aggregation at High Supersaturation” by Amber Laird, Alan Laird, Mahavir Chougule, Mazen Hamad, Kenneth R Morris, United states of America. Digital copy link
... the metastable limits as a function of temperature; and to determine the relationship between the solubility and the metastable limits using the acetaminophen (APAP) as a model ...the metastable zone ...
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Role of Aluminide Coating on Oxidation Resistance of Ni-Based Single Crystal Superalloy at 900 °C
... Figure 5 shows the microstructures of the as-oxidized specimens after oxidation for 500 h at 900 C. After oxidation for 500 h, the uncoated and coated specimens presented different appearance. The uncoated specimen had ...
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Surface Structures Determined by Kinetic Processes: Adsorption and Diffusion of Oxygen on Pd(100)
... Surface Structures Determined by Kinetic Processes: Adsorption and Diffusion of Oxygen on Pd100 Abstract Atomic oxygen forms a metastable c2×2 phase on Pd100 under conditions of rapid ad[r] ...
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Metastable Intermediates as Stepping Stones on the Maturation Pathways of Viral Capsids
... HK97 maturation has been particularly amenable to study be- cause the procapsid can be assembled by simply expressing the gene that codes for the capsid protein, gp5 (42 kDa), with or with- out coexpression of the viral ...
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Experimental study of high temperature smectic C FI2 phase in chiral smectic liquid crystals that exhibit phase sequence reversal
... The chemical structure of the compounds 10OHF and C9 are shown in Fig. 1. We use a range of techniques: electric field induced optical birefringence, dielectric spectroscopy, polarization, conoscopy, and the selective ...
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