Showing papers in "Journal of Alloys and Compounds in 1996"

TL;DR: In this paper, reaction models for the formation and decomposition of metal hydrides with one rate determining partial reaction step are presented, based on reasonable physical assumptions for each of the partial steps.

TL;DR: In this paper, the luminescence of Eu2+ ion in (Ca,Sr), MgSiO2O7, MSiO4 (M, Ba, Sr, Ca), BaSi2O 7, BaMgSi O4, CaMg SiO4 and Sr2LiSiO4F has been studied.

TL;DR: In this paper, a band gap analysis of the Ln2O3 series of rare earth oxides, sulphides and selenides of the type ln2X3 is presented.

TL;DR: In this paper, the decomposition of α′ martensite of Ti-6Al-4V by tempering has been studied and the microstructures have been observed by means of scanning electron microscopy.

TL;DR: In this article, the influence of cobalt substitution for nickel on the electrochemical cycle life of LaNi5-based alloys was investigated by means of X-ray diffraction.

TL;DR: In this paper, the crystal structures of ReSe, ReS., ReSSe, and TeS2 were determined using single crystal X-ray diffraction, and the compounds are triclinic with space groupPl.

TL;DR: In this article, the initial hydriding characteristics, as well as the compositional transformation of composites made of La2Mg17 + LaNi5 mechanically milled in a 2:1 weight ratio were investigated.

TL;DR: In this article, the free parameters c a and z, where c a is the lattice parameter ratio of the tetragonal unit cell and z is the structural parameter of the Si position, were analyzed for the ThCr 2 Si 2 type of structure.

TL;DR: In this paper, a thermodynamic assessment for the Ag-Sb-Sn solder alloy system has been attempted through the least squares optimization procedure taking available thermodynamic and phase equilibria information into account.

TL;DR: In this paper, Huiberts et al. gave evidence for the island structure of the palladium overlayer and made a comparison of a number of physical properties of yttrium and its related hydrides as thin films with literature values for the same material in bulk form.

TL;DR: In this article, the electronic structures of Mg2Ni intermetallic hydride containing a variety of alloying elements are investigated by the DV-Xα cluster method.

TL;DR: In this article, the ternary compounds YMn 6 Sn 6, LuMn6 Sn 6 and ScMn 4 Sn 6 of HfFe 6 Ge 6 -type structure (space group, P6/mmm) were studied and compared with the parent CoSn B35-type binary compounds.

TL;DR: In this article, the influence of oxygen on the hydrogen uptake by Pd-coated Mg films was investigated, by exposing the Mg film to various amounts of oxygen, after deposition of Mg oxide layer but before deposition of the Pd layer, showing that even very large oxygen exposures/uptakes cannot prevent hydrogen uptake completely.

TL;DR: In particular, the presence of tetrahydrofuran in the milling process strongly affected the hydriding and dehydriding kinetics of the resulting composites as discussed by the authors.

TL;DR: In this article, a ternary nitride, Ba5Si2N6, was synthesized by slow cooling from 750°C using a starting mixture of Ba, Si, Na and NaN3.

TL;DR: In this article, cerium(IV) oxide films were deposited electrochemically on 430 stainless steel and (100)-oriented highly doped degenerate p-type single-crystal silicon in aqueous solution by the electrogeneration of base method.

TL;DR: In this paper, single crystals of PbWO 4 have been obtained by the Czochralski method using X-ray diffraction, and the atomic structure has been determined by using the scheelite type, tetragonal, space group I 4 1 / a, a = 5.456(2), c = 12.018(2) A).

TL;DR: An optimal set of thermodynamic functions for the Al-Ni system is obtained by means of the CALPHAD (CALculation of PHAse Diagrams) technique applied to almost all the experimental phase diagram and thermodynamic data available.

TL;DR: In this article, the intermetallic compound Mg 2 Ni was mechanically ground under a hydrogen atmosphere and its hydrogen content reached 1.6 wt.% (Mg 2NiH 1.8 ) without changing the crystal structure of the matrix Mg2 Ni phase, and the dehydriding reaction started at around 440 K.

TL;DR: The layered perovskite compounds NaLnTiO4 (Ln = La, Pr, Nd, Sm, Eu, Gd, Y and Lu) were synthesized by the solid state reaction as discussed by the authors.

TL;DR: In this paper, high temperature susceptibility measurements of stabilized δ-Pu alloys have been made for the first time and it is found, in agreement with previous data and model, that a Curie-Weiss behaviour is recovered.

TL;DR: In this paper, the substitution effects of other transition elements, such as Cr, V, Cu, Fe, Ni for Mn, were examined and it was found that Cr was suitable for decreasing the hysteresis, Cu could flatten the plateau with decreasing storage capacity, and V could effectively lower the plateau pressure without decreasing the storage capacity.

TL;DR: In this article, the position of the enclathrated nitrate anions in the open sodalite structure has been determined based on MAS NMR of the nucleus 23Na of nitrate sodalites.

TL;DR: In this article, Thorium dioxide samples have been submitted to homogeneous four-beam laser pulses in an autoclave filled with different gases and phase transitions were analysed through the produced thermal arrest stages, which were detected by a precise multichannel pyrometer.

TL;DR: A part of the equilibrium AlCo phase diagram was revised in this paper, which revealed four stable intermetallic phases in the range between the Al 5 Co 2 and Al 9 Co 2 phases, two of them associated with the known monoclinic and orthorhombic Al 13 Co 4 structures.

TL;DR: In this article, a Laves phase was precipitated, forming a three-dimensional network along grain boundaries of a V-based solid solution main phase, and the increase in fresh surface area was very useful in enhancing the high-rate capability of the electrode.

TL;DR: In this article, an analysis of the thermochemical properties and the phase diagram of the TaC system is presented, including the b.c., Ta 2 C x, TaC x, graphite, and liquid phases.

TL;DR: In this paper, the crystal structure of ζ-Fe 2 N was studied by neutron and high resolution synchrotron powder diffraction at room temperature, and the results showed that the structure was orthorhombic.

TL;DR: The ternary intermetallic compounds with general formula UTX (T = Fe, Co, Ni; X = Si, Ge) were analyzed by X-ray methods and some of their physical properties examined as discussed by the authors.

TL;DR: In this paper, the activity coefficients of neodymium and neptunium were estimated as 10−12.85 and 10−7.43 respectively from the standard potentials in LiCl-KCl eutectic molten salt and the distribution coefficients in the LiClKCl/bismuth system.