Zobrazeno 1 - 10
of 12
pro vyhledávání: '"623"'
Publikováno v:
Journal of Materials Science & Technology. 52:89-99
In the present study, the effects of equal channel angular pressing (ECAP) on the microstructure and mechanical property of the Mg-20Al alloy were systematically investigated. For the first time, the texture of Mg17Al12 phase and its evolution with E
Autor:
Shichao Liu, Yuxuan Chen, Yongli Wang, Siyi Chang, Boyi Wang, Weilu Sun, Shuqi Zheng, Teng An, Juan Li
Publikováno v:
Journal of Alloys and Compounds. 806:676-682
Pb doped Cu3Sb1-xPbxSe4 (x = 0, 0.01, 0.02, 0.04 and 0.06) compounds have been synthesized via microwave-assisted solvothermal method followed by SPS progress, and their thermoelectric properties from 300 K to 623 K has been explored. On one hand, Pb
Publikováno v:
Journal of Alloys and Compounds. 788:338-344
Zn powder was mixed with Cu nanoparticle joints by applying a very low additional pressure of 20 kPa to improve the bonding strength. Cu-Zn alloying throughout the bonding layer was achieved by firing at 623 K for 5 min. The phase composition of the
Publikováno v:
International Journal of Hydrogen Energy. 45:21625-21634
Herein, the influence of Ti substitution on microstructure and hydrogen absorption behavior of annealed ZrxTi7-xV5Fe (x = 0, 0.3, 0.9, 1.5 and 2.1) alloys is systematically studied. The results reveal that the Ti-substituted alloys contain only α-Zr
Publikováno v:
International Journal of Hydrogen Energy. 45:6701-6712
In the light of positive effects of rare earth and transition metals on the hydrogen absorption/desorption properties of magnesium, the Mg20La–5TiH2, Mg20Ni–5TiH2 and Mg10Ni10La–5TiH2 composites have been prepared in this work to ameliorate the
Publikováno v:
Journal of Rare Earths. 37:398-403
The influence of aluminum and copper content in the starting Nd-Fe-B magnet on grain boundary diffusion process (GBDP) was studied by observing the phase transformation behaviors of the magnets in-situ at high temperature. A higher coercivity increme
Publikováno v:
Journal of Alloys and Compounds. 772:525-531
Upconversion (UC) nanophosphors of Lu2TeO6:Yb3+/Er3+ as temperature sensing material have been successfully synthesized via hydrothermal method followed by a subsequent heat treatment process. The phase and micrographs of the as-prepared phosphors we
Publikováno v:
Journal of Alloys and Compounds. 744:769-777
Te-free PbS has been regarded as a promising alternative candidate for PbTe thermoelectric materials due to its advances of low-cost, earth-abundant. In this work, we report an enhanced thermoelectric performance in n-type PbS system arising from syn
Publikováno v:
Journal of the European Ceramic Society. 37:4687-4692
Cu-Se compounds have attracted more attentions as a low-cost, low toxicity thermoelectric materials. In this work, p-type Cu 2 Se x compound powders were prepared by solution syntheses, including the wet chemistry method and hydrothermal synthesis me
Autor:
N.V. Golovataya, G.M. Zelinskaya, Taras Mika, O.S. Roik, V.P. Kazimirov, O.M. Yakovenko, V.E. Sokol'skii
Publikováno v:
Journal of Non-Crystalline Solids. 455:75-82
X-ray diffraction study of liquid and solid Al–Ge–Fe alloys along the sections Al-Fe33.3Ge66.7, Fe-Al65Ge35 и Ge-Al78Fe22 has been discussed. It has been shown that addition of third component to the corresponding binary melt leads to the atomic