rare earth behavior

Dissolution and Anion Exchange Behavior of the Rare Earth ...

Rare earth phosphate glasses of the composition Ln(PO 3) 3 ·KPO 3 (Ln : rare earth ion) were prepared and their glass transition temperatures (T g ′s) were measured. From the T g variation across the series, it is shown that the coordination number of rare earth ions changes, probably from nine to eight, in the middle of the series.

Influence of rare earth elements on solidification behavior …

2012/05/07· JOURNAL OF RARE EARTHS, Vol. 29, No. 11, Nov. 2011, P. 1089 Influence of rare earth elements on solidification behavior of a high speed steel for roll using differential scanning calorimetry WANG Mingjia ( )1, CHEN ...

Characterization of rare earth elements (REEs) …

Characterization of rare earth elements (REEs) associated with suspended particles in deep granitic groundwater and their post-closure behavior from a simulated underground facility Teruki Iwatsuki a, *, Takashi Munemoto a, b, …

Low Temperature Behavior of Rare Earth Compounds of ...

Low Temperature Behavior of Rare Earth Compounds of Kondo-Type Research Project Project/Area Number 06044084 Research Category Grant-in-Aid for international Scientific Research Allocation Type Single-year Grants ...

Scandium, A Rare Earth That's Not Really A Rare Earth ...

2016/05/26· Scandium, A Rare Earth That's Not Really A Rare Earth? August 03, 2011 Tom Vulcan While found in small quantities, scandium is scattered plentifully throughout the world. As has been explained ...

Effect of rare earth elements on high temperature …

Oxidation behavior of steel containing rare earth elements at 1000 C was studied. • The addition of rare earth element improved the oxidation resistance of steel. • The oxidation resistance of steel with both Y and Ce was poor. • MnO 2 is beneficial to the high temperature oxidation resistance of the steel.

Effect of rare earth oxide additions on oxidation …

Rare earth oxide additions to AISI 304L stainless steels decreased overall weight gain due to oxidation. The influence of RE additions on oxidation behavior remained effective for up to 200 hours. The results of microscopic

Electrochemical Behavior and Solvation Analysis of …

Electrochemical behavior and solvation analysis of rare earth complexes in ionic liquids media investigated by SECM and Raman spectroscopy Nanae Tsudaa, Masahiko Matsumiyaa, Katsuhiko Tsunashimab and Shun Kodamac a Graduate School of Environment and Information Sciences, Yokohama National ...

Leaching behavior of rare earth elements in Fort Union …

2018/04/01· @article{osti_1438998, title = {Leaching behavior of rare earth elements in Fort Union lignite coals of North America}, author = {Laudal, Daniel A. and Benson, Steven A. and Addleman, Raymond Shane and Palo, Daniel}, abstractNote = {Rare earth elements are crucial materials in an incredible array of consumer goods, energy …

BGD - Particulate Rare Earth Element behavior in the …

Particulate Rare Earth Element behavior in the North Atlantic (GEOVIDE cruise) Marion Lagarde 1, Nolwenn Lemaitre 2, Hélène Planquette 3, Mélanie Grenier 1, Moustafa Belhadj 1, Pascale Lherminier 4, and Catherine Jeandel 1 Marion Lagarde et al. Marion Lagarde 1, Nolwenn Lemaitre 2, Hélène Planquette 3, Mélanie Grenier 1, Moustafa …

Effect of Particle Size Refinement on the Leaching …

Effect of Particle Size Refinement on the Leaching Behavior of Mixed Rare-Earth Concentrate Using Hydrochloric Acid Zheng Ruan,‡, Mei Li,*,†,‡, Kai Gao,†,‡ Dongliang Zhang,†,‡ Lan Huang,‡ Wei Xu,‡ and Xingyu Liu‡ †School of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Selective laser melting of rare earth element Sc …

Selective laser melting of rare earth element Sc modified aluminum alloy: Thermodynamics of precipitation behavior and its influence on mechanical properties Han Zhanga,b, Dongdong Gua,b,⁎, Jiankai Yanga,b, Donghua Daia,bcc

Studies on Temperature Dependent Ionic Liquid Solid …

Temperature dependent solid-liquid extraction behavior of eight rare earth elements (REs) was investigated using N-butyl pyridinium hexafluorophosphate ([BPPF6) as an ionic liquid solvent and 8-hydroxyquinoline (HQ) as an ...

Extraction Behavior of Rare-earth Elements Using a …

ONLINE ISSN: 2188-4765 PRINT ISSN: 1341-7215

Rare Earth Element Behavior in Zircon-Melt Systems ...

2007/02/01· Zircon crystals can be divided into three types according to their rare earth element (REE) distribution patterns: (1) normal magmatic distribution (n = 249), (2) flat HREE distribution (n = 9 ...

The Characteristics, Occurrence, and Geochemical Behavior ...

(2015). The Characteristics, Occurrence, and Geochemical Behavior of Rare Earth Elements in the Environment: A Review. Critical Reviews in Environmental Science and Technology: Vol. 45, No. 5, pp. 429-471.

Rare Earth Element Behavior in Zircon-Melt Systems ...

Rare Earth Element Behavior in Zircon-Melt Systems John M. Hanchar; John M. Hanchar 1 Department of Earth Sciences, Memorial University of Newfoundland, Alexander Murray Building, St. John's, NL A1B 3X5 Canada E GSW ...

Novel magnetic behavior in heavy rare earth …

1992/01/01· @article{osti_6986801, title = {Novel magnetic behavior in heavy rare earth superlattices}, author = {Tsui, Tien Fang.}, abstractNote = {Structural and magnetic properties of heavy rare earth films and superlattices synthesized by molecular beam epitaxy are investigated. ...

Dehydration and Hydration Behavior of Rare-earth …

Pure and mixed rare-earth hydroxides are expected to be new materials for chemical heat pumps. In this study, the dehydration and hydration behavior of these materials was investigated by thermogravimetry. The dehydration ...

Influence of Rare Earth on Dynamic Recrystallization Behavior ...

Based on casting-rolling compound forming process, the effect of rare earth on dynamic recrystallization (DRX) of as-cast 30Mn steel was investigated by the single-pass hot compression tests performed using a Gleeble-3500 thermomechanical simulator, and the deformation temperature range was 950°C–1150°C and strain …

(PDF) A SHORT REVIEW OF THE DISTRIBUTION AND ...

The aim of this work is to review the distribution and behavior of rare earth elements (REE) in the southern South China Sea region especially in the atmosphere, land, seawater, river, surface sediment and in suspended particulate matters (SPM). The

Dielectric properties and relaxor behavior of rare-earth …

2006/11/09· The microstructures, dielectric properties, and ferroelectric relaxor behavior of (Ba 1 − x Ln x) Zr 0.2 Ti 0.8 − x ∕ 4 O 3 ceramics have been investigated. The results indicate that rare-earth ions with various ionic radii enter the unitA 2

Mischmetal - Wikipedia

Mischmetal (from German: Mischmetall – "mixed metal") is an alloy of rare-earth elements. It is also called cerium mischmetal, or rare-earth mischmetal. A typical composition includes approximately 55% cerium, 25% lanthanum, and 15-18% neodymium with other rare earth metals following. Its most common use is in the …

Examination of comparative rare earth element …

The comparative behavior of rare earth formation constants, L β n (M), where M a trivalent rare earth element (REE), has been assessed using compilations of rare earth-organic ligand stability constants.S.A WoodThe aqueous geochemistry of the rare-earth elements and yttrium. ...

Leaching Behavior and Corrosion Inhibition of a Rare …

2019/09/18· Leaching Behavior and Corrosion Inhibition of a Rare Earth Carboxylate Incorporated Epoxy Coating System Yu Peng Institute for Frontier Materials, Deakin University, Geelong, Victoria 3220, Australia

Isotachophoretic separation behavior of rare-earth …

2001/06/15· Isotachophoretic separation behavior of rare-earth EDTA chelates and analysis of minor rare-earth elements in an iron ore by bidirectional isotachophoresis-particle-induced X-ray emission. Hirokawa T(1), Nishimoto K, Jie Y, Ito K, Nishiyama F, Ikuta N, Hayakawa S.

Distribution and Behavior of Rare Earth Elements at the …

Authors=SEKINE Keiichi ! YANASE Nobuyuki ! OHTOMO Junichi ! SEO Toshihiro ! YOSHIDA Hidekazu Publish_Country=Japan volume=1994 pages=259-259 Publish_year=1995 Publisher=Tono Geoscience Center, Power Reactor

Behavior of Rare Earth Elements in spring waters: …

Behavior of Rare Earth Elements in spring waters: Implications for origin and upwelling process of deep brine * 1,2,3 *Hitomi Nakamura1,2,3 1. ・、2. ・

Half-metallic to insulating behavior of rare-earth …

Half-metallic to insulating behavior of rare-earth nitrides C. M. Aerts, 1 P. Strange, 1 M. Horne, 1 W. M. Temmerman, 2 Z. Szotek, 2 and A. Svane 3 1 Department of Physics, Keele University, Staffordshire ST5 5DY, England