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rare earth metals

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
...-resistance alloys, superalloys, refractory metals, low-melting-point metals, reactive metals, precious metals, rare earth metals, and metalloids or semimetals. It also provides a brief summary on special-purpose materials, including uranium, vanadium, magnetic alloys, and thermocouple materials. light...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850610
EISBN: 978-1-62708-260-0
... Abstract This appendix contains tables that list the composition and capabilities of etchants that reveal the microstructure of metals and alloys, including aluminum, chromium, cobalt, copper, lead, magnesium, molybdenum, nickel, niobium, palladium, platinum, radioactive metals, rare earth...
Image
Published: 01 August 1999
-treated carbon-manganese-niobium steel, also treated with rare earth metals. Test piece (cut in short transverse direction) containing very small globular sulfide inclusions. 65% reduction of area. Unetched 500×. (h) Mechanism by which lamellar tears develop. More
Image
Published: 01 August 1999
% reduction of area. Unetched 500×. (g) Silicon-killed, aluminum-treated carbon-manganese-niobium steel, also treated with rare earth metals. Test piece (cut in short transverse direction) containing very small globular sulfide inclusions. 65% reduction of area. Unetched 500×. (h) Mechanism by which More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170432
EISBN: 978-1-62708-297-6
... registered having this nominal composition. Code letters for the designation system of magnesium alloys Table 1 Code letters for the designation system of magnesium alloys Letter Alloying element A Aluminum C Copper E Rare earth metals H Thorium K Zirconium L Lithium...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170614
EISBN: 978-1-62708-297-6
... · 6Fe 2 O 3 ) and strontium ferrite (SrO · 6Fe 2 O 3 ) Cobalt-rare earth alloys Neodymium-iron-boron alloys Of the metallic materials listed above, the Alnicos, cobalt-rare earths, and neodymium-iron-boron alloys are by far the most commercially important and will be discussed further...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440189
EISBN: 978-1-62708-352-2
... of solders. Further, the chapter considers methods for quantifying the mechanical integrity of joints and predicting their dimensional stability under specified environmental conditions. It discusses the effects of rare earth elements on the properties of solders. The chapter concludes with information...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.9781627082969
EISBN: 978-1-62708-296-9
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240509
EISBN: 978-1-62708-251-8
... with zirconium, rare earths, or thorium to produce precipitation-hardenable alloys. Manganese is used to improve corrosion resistance of Mg-Al and Mg-Al-Zn alloys by removing iron due to the formation of harmless intermetallic compounds. The amount of manganese that can be added is restricted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2010
DOI: 10.31399/asm.tb.hss.t52790235
EISBN: 978-1-62708-356-0
... and alloys D xxxxx Steels—designated by mechanical property N xxxxx Nickel and nickel alloys E xxxxx Rare earth and rare-earth-like alloys P xxxxx Precious metals and alloys F xxxxx Cast irons R xxxxx Reactive and refractory metals and alloys G xxxxx AISI and SAE carbon and alloy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230105
EISBN: 978-1-62708-351-5
... perfectly clean and remained so throughout the process cycle, enabling the constituents to interact freely so that the filler metal can wet and spread over the component surfaces. However, this situation represents the ideal case because oxides and other nonmetallic species are usually present on surfaces...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060073
EISBN: 978-1-62708-261-7
... , (Co, Ni) As 2 , (Co, Fe) As 2 , NiSb, PtAs 2 , (Cu, Tl, Ag) 2 Se (a) Rare earth metal such as Ce, Nd etc., or La. Source: Ref 4.2 Minerals are frequently brightly colored, iridescent, and attractive. Because of such attractiveness, ancient man (and modern miners as well) collected...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
..., but rather they apply to a variety of structural metals, most notably steels. Corrosion factors that can influence design considerations Table 1 Corrosion factors that can influence design considerations Type Factor Environment Natural Chemical Storage/transit Stress Residual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230107
EISBN: 978-1-62708-298-3
.... The same is true of zirconium, rare earths, uranium, and thorium, which should also be absent. Because the reaction is not stoichiometric, all the operations must be precisely standardized, and the acid used must be standardized by an exactly similar method. In particular, the titration must be performed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310057
EISBN: 978-1-62708-286-0
... oxidation . Effect of Rare Earth Additions Cerium, lanthanum, and yttrium additions are known to improve oxidation resistance of high temperature nickel- and iron-based alloys ( Ref 6 ). Rare earth additions have been suggested to have a multitude of beneficial effects, such as reducing the growth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230019
EISBN: 978-1-62708-298-3
...% of the Earth’s crust and rarely include over 1 wt% beryl. Because beryl is distributed erratically and sparsely, reserves are difficult to estimate, and mining tends to be costly unless other minerals can be produced at the same time and thus bear part of the expense. When pegmatites weather, many...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 January 2024
DOI: 10.31399/asm.tb.pdktmse.t56100001
EISBN: 978-1-62708-470-3
...% total rare earths added to the same composition as in Fig. 14 . Notice the appearance of several different inclusions being listed, but more importantly, the addition of rare earth elements shifts some of the phase fields. It is the ability to predict phase field shifts and additional phases...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310069
EISBN: 978-1-62708-286-0
... their scale more during thermal cycling. This can fracture the scale, causing spalling and rapid subsequent oxidation of the underlying metal. This serious performance flaw also is remedied by rare earths, as shown in Fig. 18 ( Ref 21 ). Fig. 18 310S (4845) versus rare earth-modified 253MA in cyclic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060085
EISBN: 978-1-62708-261-7
... or graphite mold. This technology can be used for all materials that do not sublimate in vacuum and has been used successfully in the development of new grades and purities of conventional and exotic metals and alloys, such as uranium, copper, precious metals, rare earth alloys, intermetallic materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190001
EISBN: 978-1-62708-296-9
... Bravais lattice Strukturbericht designation Prototype Parameter, mm Atoms number Si Cubic cF8 F d 3 ¯ m A4 Diamond 0.543 8 Covalent (strong) 3.56 Flat Al Cubic cF4 F m 3 ¯ m A1 Cu 0.405 4 Metallic (weak) 1.36 Rough Topography...