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neodymium-iron-boron magnets

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Published: 01 January 1990
Fig. 12 Distribution of flux for 14 lots of neodymium-iron-boron magnets More
Image
Published: 01 January 1990
Fig. 9 Demagnetization curves for neodymium-iron-boron alloy magnets. (a) Sintered. (b) Prepared from rapidly solidified ribbon More
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001094
EISBN: 978-1-62708-162-7
... magnet materials, which include magnet steels, magnet alloys, alnico alloys, platinum-cobalt alloys, cobalt and rare-earth alloys, hard ferrites, iron-chromium-cobalt alloys, and neodymium-iron-boron alloys. magnet designations magnetic characteristics magnetic properties mechanical properties...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006057
EISBN: 978-1-62708-175-7
... possible in metal injection molding parts. The article also discusses ferromagnetic cores used in alternating current applications and some permanent magnets, such as rare earth-cobalt magnets and neodymium-iron-boron (neo) magnets. ferritic stainless steel ferromagnetic cores hysteresis loss...
Image
Published: 01 January 1990
Fig. 11 Effect of increasing temperature on working point of neodymium-iron-boron permanent magnet material More
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001089
EISBN: 978-1-62708-162-7
... uses of two rare earths in the metallic form, namely the use of neodymium in Nd-Fe-B permanent magnets and samarium in Sm-Co permanent magnets. The 4 f electrons are energetically and radially buried in an atom, do not enter into the bonding, and are only slightly influenced by the external...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003154
EISBN: 978-1-62708-199-3
... containing 7 to 10% Al, 15 to 19% Ni, 13 to 35% Co, 3 to 4% Cu, with an optional 1 to 5% Ti), Cunife (60Cu-20Ni-20Fe), iron-cobalt containing vanadium or chromium, platinum-cobalt, hard ferrites (SrO-Fe 2 O 3 or BaO-6Fe 2 O 3 ), cobalt-rare earth alloys (SmCo 5 or SM 2 CO 17 ), and neodymium-iron-boron...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003153
EISBN: 978-1-62708-199-3
...-purity iron, low-carbon irons, silicon (electrical) steels, nickel-iron alloys, iron-cobalt alloys, ferritic stainless steels, amorphous metals, and ferrites (ceramics). Finally, the article provides a short note on alloys for magnetic temperature compensation. amorphous metals ferrites ferritic...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003788
EISBN: 978-1-62708-177-1
...., iron, cobalt, nickel) with the remainder being metalloid elements (e.g., silicon, boron, phosphorus, etc.). These compositions are near deep eutectics, a necessary requirement to avoid crystallization. Nanocrystalline soft magnetic alloys are similar in composition to amorphous alloys; however...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001737
EISBN: 978-1-62708-178-8
... discusses the basic principles of spark source technique; SSMS instrumentation such as ion source, electric sector, and magnetic sector; sample preparation; and test procedures of SSMS. Some of the related techniques to SSMS are laser ionization mass spectrometry and laser-induced resonance ionization mass...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001752
EISBN: 978-1-62708-178-8
... would severely distort and weaken the resonance. Nonetheless, strong resonances are observed in such ferromagnetic materials as iron, cobalt, nickel, Ni 3 Fe, Mn 4 N, Fe 2 B, GdAl 2 , and Heusler alloys due to the enhancement factor produced by the magnetic domain wall. Nuclear magnetic resonance...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003086
EISBN: 978-1-62708-199-3
.... As the applied field is increased, the magnetic flux density also increases until a saturation level for the material is reached (see Fig. 2 ). Fig. 2 Magnetization curve for polycrystalline iron Another property of magnetic materials is its saturation magnetic moment (see Table 3 ). The value...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006667
EISBN: 978-1-62708-213-6
... after alpha-particle bombardment of beryllium, as well as with Irène and Frédérick Joliot-Curie’s (1932) ( Ref 4 ) work, which found that the said radiation dislodged protons from hydrogenous materials. Neutron diffraction was first demonstrated by von Halban and Preiswerk (1936) ( Ref 5 ) on iron...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001117
EISBN: 978-1-62708-162-7
... Abstract This article presents the following characteristics of pure metals : structure, chemical composition, mass characteristics, thermal properties, electrical properties, chemical properties, magnetic properties, optical properties, fabrication characteristics, nuclear properties...
Book Chapter

By W.L. Johnson
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001095
EISBN: 978-1-62708-162-7
... class of metallic glass-forming alloys now referred to as the metal-metalloid systems. These alloys contain about 80 at.% of a transition metal (for example, iron, nickel, cobalt, and so on) and 20 at.% of a metalloid element (for example, silicon, phosphorus, boron, carbon, and so on). The Giessen...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006310
EISBN: 978-1-62708-179-5
... when producing pearlitic grades of ductile iron. Boron contamination can come from boron alloyed steels or boric acid used to sinter silica furnace linings in place. Ferritic grades should be scheduled after installation of a new lining or if steel is sorted that contains traces of boron. Pearlitic...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003836
EISBN: 978-1-62708-183-2
... or more transition metals, for example, copper-zirconium and nickel-niobium, or from a combination of metals and metalloids, such as iron, nickel, and chromium containing boron, phosphorus, silicon, or carbon. A key aspect of metallic glasses is the critical temperature for cooling to retain the amorphous...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006221
EISBN: 978-1-62708-163-4
.... age hardening allotropy alloying aluminum-copper system binary system Clausius-Clapeyron equation crystal structure Gibbs phase rule heat treatment iron-carbon phase diagram Lever rule phase diagram polymorphism solid-state transformation solidification ternary diagrams Theorem of Le...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005707
EISBN: 978-1-62708-171-9
...—insulation or conduction Clearance control Optical—reflection, absorption, and so on Electrical—insulation, conduction, electronic Magnetic Catalytic Dimensional restoration Biomedical Aesthetic In addition to the functional purposes of a coating, economic and other rationales...