1-20 of 381 Search Results for

permanent magnet materials

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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
...Abstract Abstract This article discusses the chief magnetic characteristics of permanent magnet materials. It provides a detailed description on nominal compositions; principal magnet designations; magnetic, physical, and mechanical properties; selection criteria; and applications...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003154
EISBN: 978-1-62708-199-3
...Abstract Abstract Premanent magnet refers to solid materials that have sufficiently high resistance to demagnetizing fields and sufficiently high magnetic flux output to provide useful and stable magnetic fields. Permanent magnet materials include a variety of alloys, intermetallics...
Image
Published: 30 September 2015
Fig. 16 Major hysteresis loop for a permanent magnet material More
Book Chapter

Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006229
EISBN: 978-1-62708-163-4
... decomposition has been particularly useful in the production of permanent magnet materials, because the morphologies favor high magnetic coercivities. It also describes the theory of spinodal decomposition with a simple binary phase diagram. alloy phases binary phase diagram chemical composition...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003082
EISBN: 978-1-62708-199-3
...Abstract Abstract This article contains tables that present engineering data for the following metals and their alloys: aluminum, copper, iron, lead, magnesium, nickel, tin, titanium, zinc, precious metals, permanent magnet materials, pure metals, rare earth metals, and actinide metals. Data...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005442
EISBN: 978-1-62708-196-2
...Abstract Abstract This article contains a table that lists the density of metals and alloys. It presents information on aluminum, copper, iron, lead, magnesium, nickel, tin, titanium, and zinc, an their respective alloys. Information on wrought alloys, permanent magnet materials, precious...
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
... form because of “hot shortness” but are processed effectively by PM methods for use in soft magnetic applications. Powder metallurgy is also used for permanent magnetic materials based on combinations of neodymium, iron, and boron (introduced in 1983) rare-earth cobalt magnets and ferrite magnets...
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
.... The article also illustrates the microstructure of different types of soft magnetic material and permanent magnets. bitter technique domain imaging Faraday method Lorentz transmission electron microscopy magnetic force microscopy magnetic materials magnetism magneto-optical Kerr method materials...
Image
Published: 01 August 2018
, radial shear-wave permanent magnet (PM) EMAT approximately 25 mm (1 in.) in overall diameter and 40 mm (1.6 in.) high. These and similar structures often are used for thickness gaging. The magnet dimensions, D m and L m , the magnet lift-off distance, h 2 , and the PM material are the primary 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
... material. In some commercial applications, such as permanent magnets, impurities are helpful because they prevent domain wall motion, thus improving the magnetic strength of the magnet material. In other cases, the amount of rare earth added to an alloy is less than 1 wt%, and the impurities in the rare...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005445
EISBN: 978-1-62708-196-2
...-5Al-0.5Co 1.3 135.48 Pure metals Iron (99.99%) 17.75 9.71 Thermostat metals 75Fe-22Ni-3Cr 3 78.13 72Mn-18Cu-10Ni 1.5 112.2 67Ni-30Cu-1.4Fe-1Mn 3.5 56.52 75Fe-22Ni-3Cr 12 15.79 66.5Fe-22Ni-8.5Cr 3.3 58.18 Permanent magnet materials Carbon steel (0.65% C...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005241
EISBN: 978-1-62708-187-0
... requirements of foundry molds. inorganic binders casting magnetic molding molding plaster-mold casting clay organic resins shell molding ceramic-mold casting rammed graphite molding CASTING can be done with either expendable molds for one-time use or permanent molds for reuse many times...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002475
EISBN: 978-1-62708-194-8
... mechanical support, environmental protection, and facilitate heat transfer ( Ref 5 ). Magnetic materials play a key role in permanent storage and retrieval of information. Furthermore, their use in transformers enables more than just changing magnitude of the voltage. A current transformer reduces high...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003153
EISBN: 978-1-62708-199-3
... materials are characterized by retaining a large amount of residual magnetism after exposure to a strong magnetic field. These materials typically have coercive force, H c , values of several hundred to several thousand oersteds (Oe), and are considered to be permanent magnets. The coercive force...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003148
EISBN: 978-1-62708-199-3
... accurate positioning devices. In permanent magnets, cobalt increases the Curie temperature and saturation magnetism. Permanent magnet materials utilizing cobalt include 17 and 36% Co steels, Fe-Ni-Al alloys (Alnico alloys) containing from 5 to 35 wt% Co, platinum-cobalt alloys containing approximately...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003232
EISBN: 978-1-62708-199-3
...Abstract Abstract Magnetic-particle inspection is a nondestructive testing technique used to locate surface and subsurface discontinuities in ferromagnetic materials. Beginning with an overview of the applications, advantages, and limitations of magnetic-particle inspection, this article...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003233
EISBN: 978-1-62708-199-3
...Abstract Abstract Magnetic field testing includes some widely used nondestructive evaluation methods to inspect magnetic materials for defects such as cracks, voids, and inclusions and to assess other material properties, such as grain size, texture, and hardness. This article discusses...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006458
EISBN: 978-1-62708-190-0
... , 22 , 23 ) and for magnetic materials ( Ref 12 , 13 , 20 , 22 , 23 , 24 , 25 ). In particular, many applications of PETs for UNDE can follow detailed procedures that are outlined rather completely in various engineering procedures and the published literature. Also, an Internet search...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003086
EISBN: 978-1-62708-199-3
... completely filled electron shells, there is complete cancellation of electron moments, and the material is not capable of being permanently magnetized. Fig. 1 Sources of magnetic moments. (a) Orbiting electron. (b) Spinning electron One measure of the magnetism of a material is its magnetic...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001093
EISBN: 978-1-62708-162-7
... are characterized by retaining a large amount of residual magnetism after exposure to a strong magnetic field. These materials typically have coercive force, H c , values of several hundred to several thousand oersteds (Oe) and are considered to be permanent magnets. The coercive force is a measure...