rare earth substitution

Effect of Rare Earth Elements Substitution in La site …

Magnesium alloys containing rare earth elements have better properties in terms of formability, strength and corrosion resistance. Due to the tight supply situation these elements should be substituted partially or complete, for example by calcium. Microstructural studies of cast alloys of new ...

Solutions - The Rare Earth Crisis - The Supply/Demand ...

1 Effect of rare-earth (Er and Gd) substitution on the magnetic and multiferroic properties of DyFe 0.5 Cr 0.5 O 3 Mohit K. Sharma1, Tathamay Basu2, #, K. Mukherjee1,* and E. V. Sampathkumaran2 1School of Basic Sciences, Indian Institute of Technology Mandi, Mandi 175005, Himachal Pradesh, India 2Tata Institute of …

Effect of rare earth substitution in cobalt ferrite bulk ...

Substitution Effect of Rare Earth on Hydrogenation for AB 5-Type Alloys Daisuke Endo1 and Etsuo Akiba2 1GS-YUASA Corporation, Kyoto 601-8520, Japan 2National Institute of Advanced Science and Technology (AIST), AIST Central-5, Tsukuba 305-8565, Japan Substitution effects of rare earth elements for hydrogenation of MmNi

What are rare earth elements, and why are they …

RARE EARTH: WHY SUBSTITUTE? RECYCLE! China's decision in 2010 to limit production and exportation of the rare earth metals on which a number of industries rely set off alarm bells among the country's trading partners.

Effects of rare earth substitution on the optical ...

There is one possible viable substitution of the rare earth permanent magnets in direct drive wind turbines and that is to use the high temperature ceramic YBa 2 Cu 3 ...

Depression of T sub c with rare earth substitution for La ...

Rare earth prices have turned. Frik Els | Jun. 17, ... Rare earths become the ... The biggest longer term threat to the industry is substitution.

Rare-earth mineral - Wikipedia

What are rare earth elements, ... Rare earth elements are an essential part of many high-tech devices. ... and substitution of key mineral resources ...

Clean energy and rare earths: Why not to worry | …

Rare Earth Industry Supply Alternatives ... Rare earth elements receive their name, not because they are rare in the earths crust, but because they are rarely found in sufficient quantities for practical and economical mining purposes (King, 2012). Rare earth elements are as common in the earths crust as nickel, zinc, chromium and lead (Long, 2010). The rare earth …

Analysis: Search for rare earth substitutes gathers pace ...

The Japan Society of Applied Physics. The Japan Society of Applied Physics (JSAP) serves as an academic interface between science and engineering and an interactive platform for academia and the industry.

Our smartphone addiction is costing the Earth | TechRadar

American Mineralogist, Volume 76, pages I165-1173, 1991 Rare-earth-element ordering and structural variations in natural rare-earth'bearing apatites

Effect of rare earth element substitution for lanthanum …

Effect of Rare Earth Elements Substitution in La site for LaMnO 3 Manganites Pertanika J. Sci. & Technol. Vol. 20 (1) 2012 83 Tables 1 and 2. As observed, the crystal structure changed from trigonal (LMO) to orthorhombic

Rare-earth-element ordering and structural …

The following includes the relatively common hydrothermal rare-earth minerals and minerals that often contain significant rare-earth substitution: aeschynite allanite

Rare-earth elements in synthetic zircon: Part 2. A …

Influence of rare earth substitution on thermo-electric power of Mg-Zn mixed ferrite Shivanand A. Masti Thin Film and Material Science Division, Department of Physics, Dr. Ghali College, Gadhinglaj, MS, India _____ ABSTRACT Magnesium-Zinc ferrite substituted with rare earth ion Gd 3+ with y = 0.05 and 0.10 are investigated. X-ray ...

Effect of rare-earth (Er and Gd) substitution on the ...

"Rare earths" are 17 chemical elements with awkward names and unusual properties. Their atomic numbers are 57–71, 21, and 39. Their two subfamilies, one scarcer and hence more valuable than the other, have …

Rare Earth Industry Supply Alternatives - …

Our smartphone addiction is costing the Earth. ... with what are known as the rare Earth metals playing ... it is unlikely that substitution alone can solve potential ...

Ames Laboratory scientists create cheaper magnetic ...

of rare earth metal, dysprosium — it climbed from US$15/kg in ... The super-cycle hangover: the rising threat of substitution 3 What you see and what you don't

Rare Earth Substitution Effects and Magnetic Field ...

The substitution of Y by Sm, Tb, Gd, and Ho in (BiYCa)3 (FeSiGe)5O12 bubble garnet is shown to have large effects on the growth‐induced anisotropy Kgu. The presently accepted film composition intended for 6‐ or 8‐μm period bubble memory devices demands partial substitution of Y by Gd and Ho.

NEODYMIUM: SUPPLY, DEMAND, SUBSTITUTION, …

In spite of the enormous success investors are having with traditional metal investments, there's a cadre of forward-thinking people who want access to rare earth metals.

Rare-earth mineral substitutes could defeat Chinese ...

breaking by rare-earth-ion substitution in BaFe2As2 epitaxial films Takayoshi Katase, Hidenori Hiramatsu, Toshio Kamiya et al.-An overview on iron based superconductors P M Aswathy, J B Anooja, P M Sarun et al. -Exploration of new superconductors and functional materials, and fabrication of superconducting tapes and wires of iron …

Rare-earth mineral - Wikipedia

Ames Laboratory scientists create cheaper magnetic ... that is an alternative to traditional rare-earth ... substitute material is key to ...

Rare Earth Metal ETF Substitutes | Seeking Alpha

Explanation of strength. The rare-earth elements are metals that are ferromagnetic, meaning that like iron they can be magnetized to become permanent magnets, but their Curie temperatures (the temperature above which their ferromagnetism disappears) are below room temperature, so in pure form their magnetism only appears at low …

Substitution of Rare Earths in Magnesium... (PDF …

But functional substitution is different, where one type of technology substitutes for another, such as moving from an electric motor which uses a rare earth magnet to one that does not.' This is the case in the search for substitutes for indium tin oxide in touchscreens, using alternatives based on carbon nanotubes or graphene.

Rare Earths Fall as Toyota Develops Alternatives ...

682 FINCH ET AL.: XENOTIME SUBSTITUTION IN ZIRCON understand a diverse array of geochemical processes, includ-ing magma crystallization, metasomatism, metamorphism, even

Influence of rare earth substitution on thermo …

Jun 22, 2012· The hunt for substitutes for rare earth minerals is gaining momentum as auto makers, lighting companies and clean tech developers seek to reduce their reliance on thin and unreliable supplies of the raw material.

RARE EARTH: WHY SUBSTITUTE? RECYCLE! - IDC …

Sep 28, 2011· Rare-earth prices are set to extend their decline from records this year as buyers including Toyota Motor Corp. and General Electric Co. scale back using the materials in their cars and windmills.