Determination of mechanical and vibrational properties of the Sr(Zn1−Al )13 intermetallic compound

2021 ◽  
Vol 130 ◽  
pp. 107056
Author(s):  
J. Gutiérrez-Menchaca ◽  
D. Torres-Torres ◽  
A.H. Barajas-Aguilar ◽  
S.J. Jiménez-Sandoval ◽  
A.M. Garay-Tapia
Keyword(s):  
Intermetallic Compound ◽  
Vibrational Properties

Pseudopotential Calculations of Structural Properties of Solids

1985 ◽  
Vol 63 ◽  
Author(s):  
Marvin L. Cohen
Keyword(s):  
Phase Transitions ◽  
Structural Phase ◽  
Vibrational Properties ◽  
Structural Phase Transitions ◽  
Superconducting Properties ◽  
Lattice Constants ◽  
Pseudopotential Calculations ◽  
Pseudopotential Approach ◽  
Cohesive Energies

ABSTRACTThrough the development of a total energy pseudopotential approach, it has become possible to compute structural, electronic, and vibrational properties of solids using only the atomic numbers and atomic masses of the constituent atoms as input. The method has been applied to semiconductors, insulators, and metals; and agreement with experiment for most properties is usually within a few percent.Applications include the determination of lattice constants for specific structural phases, properties of structural phase transitions, cohesive energies, bulk moduli, lattice vibrational spectra, electron-lattice interaction parameters, and electronic and superconducting properties. A recent example is the prediction of superconductivity in highly condensed hexagonal silicon which was subsequently found experimentally.

scholarly journals A XAFS Study on the Site Determination of Additives in the Ni3Al Intermetallic Compound

1997 ◽  
Vol 7 (C2) ◽  
pp. C2-1239-C2-1240
Author(s):  
M. Sakurai ◽  
M. Matsuura ◽  
K. Suzuki ◽  
A. Chiba ◽  
S. Hanada
Keyword(s):  
Intermetallic Compound ◽  
Ni3al Intermetallic Compound ◽  
Ni3al Intermetallic

Determination of Space Site of Vanadium in TiAl(Llo) Intermetallic Compound by ALUCHEMI

1990 ◽  
Vol 48 (2) ◽  
pp. 474-475
Author(s):  
Z. Y. Cheng ◽  
Ying Gao ◽  
Jing Zhu
Keyword(s):  
Plastic Deformation ◽  
Intermetallic Compound ◽  
Deformation Behaviour ◽  
Gamma Phase ◽  
Interstitial Atoms ◽  
Channeling Effect ◽  
Substitutional Atom

The plastic deformation behaviour of the TiAl (Llo type) intermetallic compound is improved by the vanadium macroalloying (1). The knowledge on the space site of V atoms in TiAl is more important for answer what role the vanadium plays during a deformation. By means of ALUCHEMI (Atom Location Using Channeling ―Enhanced Microanalysis) technique (2-3) it has been found that in the gamma phase of the TiAl compound the V atom is dominantly as a substitutional atom to occupy partial positions of Al atoms in this work. In the TiAl the Ti and Al atoms lie on alternate parallel planes (<001>) , four kinds of possible positions of vanadium atoms were estimated; two of which were substitutional atoms to replace the Ti or Al atom, other two were interstitial atoms to occupy the center of an octahedron as marked in Fig. 1 by О and ⊗ respectively. So using ALUCHEMI technique to determine positions of the V atoms two sets of experiment on channeling effect must be carried out.

Simultaneous Determination of Trace Heavy Metals in Natural Water by Portable Metal Analyzer

2015 ◽  
Vol 1092-1093 ◽  
pp. 795-798
Author(s):  
Ying Hua Li ◽  
Lu Bai ◽  
Feng Gu ◽  
Hong Wang ◽  
Chun Ying Wu ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Intermetallic Compound ◽  
Simultaneous Determination ◽  
Natural Water ◽  
Anodic Stripping Voltammetry ◽  
Stripping Voltammetry ◽  
Trace Heavy Metals ◽  
Anodic Stripping ◽  
Water Based

The analysis index of the portable metal analyzer for trace heavy metals in natural water based on anodic stripping voltammetry (ASV) were performed. Simultaneous determination and monovariated analysis of trace heavy metals were investigated both subsequently. The reasons of disturbance in analysis were also discussed. The addition of Ga (II) was testified that can eliminate the formation of the Cu-Zn intermetallic compound.

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