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soft magnetic materials

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003153
EISBN: 978-1-62708-199-3
... Abstract This article discusses the ferromagnetic properties of soft magnetic materials, explaining the effects of impurities, alloying elements, heat treatment, grain size, and grain orientation on soft magnetic materials. It describes the types of soft magnetic materials, which include high...
Image
Published: 09 June 2014
Fig. 12 Computer simulation of heat removal from soft-magnetic material exposed to a magnetic flux density of 1 T, a frequency of 1 kHz, and a 1200 °C part by direct water cooling. Source: Ref 4 More
Image
Published: 09 June 2014
Fig. 5 Magnetic permeability of some Fluxtrol soft-magnetic composite materials as a function of magnetic field strength. More
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
... Abstract Magnetically soft materials are characterized by their low coercivity, an essential requirement for irons and steels selected for any application involving electromagnetic induction cycling. This article provides information on ferromagnetic material properties and how...
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...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006019
EISBN: 978-1-62708-175-7
... standards, materials standards, and material designation codes for PM materials. It provides information on the codes for structural parts, PM soft magnetic materials, PM self-lubricating bearings, metal injection molded materials, and powder forged materials. material standards metal injection...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005846
EISBN: 978-1-62708-167-2
... magnetic fields is done by using either soft-magnetic materials or electrically conductive materials in a closed loop perpendicular to the flow of the magnetic flux between the coil and the desired lower field area. Soft-magnetic materials improve induction coil parameters, while highly conductive...
Image
Published: 09 June 2014
Fig. 11 Soft magnetic composite material with channels for direct water cooling. Source: Ref 4 More
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Published: 01 January 1990
Fig. 18 Direct current normal induction characteristics of several soft magnetic materials annealed at indicated temperature: A, 79Ni-4Mo-Fe (1175 °C, or 2150 °F); B, 49Ni-Fe (1175 °C, or 2150 °F); C, 2.5Si-Fe (1065 °C, or 1950 °F); D, Air melt iron (845 °C, or 1550 °F); E, 2V-49Co-49Fe (875 More
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: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005841
EISBN: 978-1-62708-167-2
... inductance to get the coil to tune properly with the induction generator so that sufficient power can be achieved to perform the desired brazing application. Generally speaking, the following classes of materials are used for controlling magnetic flux: steel laminations, soft magnetic composites...
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
... Magnetically soft materials differ from permanent magnet materials not only in their higher permeabilities, but also, and more significantly, in their much lower resistance to demagnetization. The best magnetically soft materials have H c values of virtually zero. The hysteresis loop of such a material...
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
... steels and alloys; thermostat metals; electrical contact materials; and magnetically soft materials. electrical conductivity electrical resistivity aluminum aluminum alloys copper copper alloys electrical heating alloys relay steel thermostat metal electrical contact materials...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001072
EISBN: 978-1-62708-162-7
... in this article (see the following section on Commercial Nickel and Nickel Alloys) and in the article “Electrical Resistance Alloys” in this Volume. Soft Magnetic Alloys Two broad classes of magnetically soft materials have been developed in the Fe-Ni system. The high-nickel alloys (about 79% Ni with 4...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005119
EISBN: 978-1-62708-186-3
... Abstract This article discusses the presses, auxiliary equipment, and dies used in the blanking and piercing of commonly used magnetically soft materials, namely, low-carbon electrical steels and oriented and nonoriented silicon electrical steels. It describes the effect of stock thickness...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003232
EISBN: 978-1-62708-199-3
... as flaws. Demagnetization after Inspection All ferromagnetic materials retain a residual magnetic field to some degree after being magnetized. This field is negligible in magnetically soft metals, but in harder metals, it can be comparable to the intense fields associated with the special alloys...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003154
EISBN: 978-1-62708-199-3
... operate near the ( B d H d ) max point. Fig. 6 Magnetization curves for anisotropic cast Alnico permanent magnet materials Magnetically soft materials differ from permanent magnet materials not only in their higher permeabilities, but also, and more significantly, in their much lower...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006476
EISBN: 978-1-62708-190-0
... treatment defects, are detectable using magnetic Barkhausen noise (MBN) techniques ( Ref 4 ). Magnetic Barkhausen Noise for Gears The MBN testing method is a micromagnetic technique that pertains to ferromagnetic materials. The MBN techniques may be applied to a number of surface geometries...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005877
EISBN: 978-1-62708-167-2
... the ferromagnetic material becomes paramagnetic. The steady-state dependence of the magnetic flux density ( B ) on the magnetic field strength ( H ) for any ferromagnetic material is given by the hysteresis curve. This curve is narrow in the case of soft ferromagnetic materials (such as steels) and wide...
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
.... This includes a discussion of synthesis and processing methods, structure and morphology, and a description of the electronic, magnetic, thermodynamic, chemical, and mechanical properties of metallic glasses. In addition, the article describes the development of metallic glasses as materials for technical...