Effects of alkaline earth metals on the surface, structure, and reactivity of α-alumina
Sign Up to like & getrecommendations! Published in 2018 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-018-3578-3
Abstract: A series of strontium- and barium-doped alumina samples were prepared by hydrolysis, in neutral medium, starting from commercial Al2O3, SrCO3, and BaCO3 materials. The precursors thus obtained were calcined under air at 700 °C; then, the… read more here.
Keywords: alkaline earth; effects alkaline; metals surface; surface structure ... See more keywords
Effect of Rare Earth Metals on Porosity Formation in A356 Alloy
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Metalcasting"
DOI: 10.1007/s40962-017-0156-5
Abstract: The present study was performed on A356 alloy containing various amounts of La, Ce or La + Ce, without and with about 80–100 ppm Sr. The main objective was to evaluate the porosity formed in rare earth metals… read more here.
Keywords: porosity; a356 alloy; rare earth; porosity formation ... See more keywords
Effect of Rare Earth Metals on the Mechanical Properties and Fractography of Al–Si-Based Alloys
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Metalcasting"
DOI: 10.1007/s40962-019-00336-x
Abstract: The present study was performed on A356 and A413 alloys in non-modified and Sr-modified conditions. To these alloys, pure rare earth (RE) metals, mainly lanthanum (La) and cerium (Ce), were added in the amount of… read more here.
Keywords: alloy; effect rare; rare earth; mechanical properties ... See more keywords
Effects of alkali and alkaline earth metals on Cu-SSZ-39 catalyst for the selective catalytic reduction of NO with NH3
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.124250
Abstract: Abstract Alkali/alkaline earth metals from urea solution and engine lubricating oil can induce the chemical deactivation of NH3-SCR catalysts. Cu-SSZ-39, with excellent catalytic performance and hydrothermal stability, is thought to be a good choice for… read more here.
Keywords: alkaline earth; alkali alkaline; metals ssz; effects alkali ... See more keywords
Optimum conditions for extracting rare earth metals from waste magnets by using molten magnesium
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.01.211
Abstract: Abstract Liquid-metal extraction using magnesium as a medium was studied to examine its suitability as an environmentally friendly process for recycling rare earth (RE) metals from magnets. To determine the optimum conditions for extracting RE… read more here.
Keywords: extraction; conditions extracting; rare earth; magnesium ... See more keywords
High-pressure diamond synthesis in the presence of rare-earth metals
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2019.125358
Abstract: Abstract The effect of rare-earth metals on diamond crystallization processes in the Mg-REM-C system (REM = Sc, Y, La, Pr, Nd, Dy, and Yb) was studied at 7.8 GPa and 1800 °C. It was found that the rare-earth metals… read more here.
Keywords: system; rare earth; diamond; diamond synthesis ... See more keywords
Intercalated rare-earth metals under graphene on SiC
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2018.11.007
Abstract: Abstract Intercalation of rare earth metals (RE = Eu, Dy, and Gd) is achieved by depositing the RE metal on graphene that is grown on silicon-carbide (SiC) and by subsequent annealing at high temperatures to promote intercalation.… read more here.
Keywords: metals graphene; rare earth; intercalated rare; nano clusters ... See more keywords
Influence of rheocasting and rare earth metals on the 3D-microstructure of ZK60 Mg-alloy measured by multiscale X-ray computed tomography
Sign Up to like & getrecommendations! Published in 2021 at "Materials Characterization"
DOI: 10.1016/j.matchar.2021.110996
Abstract: Abstract Light weighting has been a key issue to meet stringent requirements on greenhouse gas emissions. One possible way of weight reduction is the substitution of heavier components with lighter metals like Magnesium. In this… read more here.
Keywords: microstructure; ray computed; earth metals; computed tomography ... See more keywords
Complexation of the alkaline earth metals perchlorates with 3-hydroxyflavone in acetonitrile: Precise conductometric treatment
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2017.05.141
Abstract: Abstract The alternative models of ionic equilibria in acetonitrile solutions of alkaline earth percholorates in the presence of 3-hydroxyflavone (HL) were studied by conductometry at 288.15, 298.15, 308.15, 318.15, and 328.15 K. Using a procedure specially… read more here.
Keywords: alkaline earth; complexation alkaline; metals perchlorates; complexation ... See more keywords
The influence of chemical impurities on the properties of heavy rare-earth metals (Tb, Dy, Ho): Experimental and theoretical approaches
Sign Up to like & getrecommendations! Published in 2021 at "Materialia"
DOI: 10.1016/j.mtla.2021.101166
Abstract: Abstract The rare-earth metals, as academician A.E. Fersman aptly put it, have been called ‘the vitamins of industry’. Over the past 80 years since their practical study has begun, these metals have become not just… read more here.
Keywords: influence chemical; properties heavy; rare earth; impurities properties ... See more keywords
Review on rare earth metals doped LaPO4 for optoelectronic applications
Sign Up to like & getrecommendations! Published in 2021 at "Solid State Communications"
DOI: 10.1016/j.ssc.2021.114457
Abstract: Abstract The various synthesis methods of LaPO4 nanoparticles were an active area in many fluorescent applications. Several methods have been introduced for the synthesis of rare earth metals doped LaPO4 nanoparticles. In general, phosphor particles… read more here.
Keywords: lapo4 nanoparticles; doped lapo4; metals doped; earth metals ... See more keywords