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demagnetization

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Journal Articles
Alloy Digest (1972) 21 (12): Co-67.
Published: 01 December 1972
... RAECO-15 is a magnet alloy of samarium and cobalt which offers 15-million energy product, an extremely high intrinsic coercive force (Hci = 15,000 Oe), and a Curie Temperature of 750 C. It is especially attractive for use in severe demagnetizing environments at elevated temperatures...
Journal Articles
Alloy Digest (1964) 13 (8): Co-39.
Published: 01 August 1964
... Alnico 8 is a permanent magnet material having over twice as much resistance to demagnetization as Alnico 5. It requires a magnetic heat treatment to develop strong directional magnetic properties. This datasheet provides information on composition, physical properties, and hardness. It also...
Journal Articles
Alloy Digest (1966) 15 (4): Fe-27.
Published: 01 April 1966
... Alnico XII is a heat treated permanent magnet alloy recommended for applications subject to strong demagnetizing effects. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on heat treating and machining. Filing...
Journal Articles
Alloy Digest (1966) 15 (10): Fe-29.
Published: 01 October 1966
... 7000000 Table 3 - TYPICAL MECHANICAL PROPERTIES Tensile strength, psi 5000 Transverse modulus of rupture, psi 8000 Rockwell hardness c50 DEMAGNETIZATION CURVE ENERGY PRODUCT AND B/H VALUES ALNICO 5-7 r 6 x H I: IO- 7.0 6.0 5.0 LO 3.0 LO I.0 I 14.0 3.0 2.0 1 .o 0.0 9.0 6.0 ; 7.0 2 1 60; 5.0 00 3.0 2.0 I...
Journal Articles
Alloy Digest (1968) 17 (7): Fe-34.
Published: 01 July 1968
... International® 1996 DEMAGNETIZING COEFFICIENT SLOPE B/H \ \Y\ \tY\\f I5 20 25 Product \ 7 y \ l - Curve No. Material \ 1 Cast Alnico 1 .- 2 \ Cast Alnico 2 3 Cast Alnico 3 . IO, 4 Cast Alnico 4 5 Cost Alnico 5 . 6 \- Cast Alnico 6 12 Cast Alnico 12 DEMAGNETIZING FORCE-H-OERSTEDS Heat Treatment: For best...
Journal Articles
Alloy Digest (1965) 14 (2): Co-42.
Published: 01 February 1965
..., gausses 12000 Saturation induction, Bs, gausses 13000 Residual induction, Br from 1000 oersceds, gausses 8000 Coercive force, Hc from 1000 oersceds, oersceds Maximum energy product, x 106 220-300 0.90 Induction at max. energy product, gausses 6000 Demagnetization force at max. energy product, oersceds 155...
Journal Articles
Alloy Digest (1969) 18 (10): Fe-40.
Published: 01 October 1969
... 3000 3100 3100 Sintered TEMPERATURE (DEGREES F 1 Napneric rernxence vs. temperatures for various grades of Xlnico. DOI: 10.31399/asm.ad.fe0040 Copyright © ASM International® 1996 i- DEMAGNETIZATION CURVES +ENE;~RDucT~ - 6 ALNICO 6 - I2 ALNICOIZ _ -H 1000 800 600 400 200 0 I 2 3 4 5x106 Heat Treatment...
Journal Articles
Alloy Digest (1963) 12 (2): Fe-22.
Published: 01 February 1963
... DEMAGNETIZING fORCE-H-OERSTEDS (GIIBERTS PER CM) General Characteristics: INDALLOY is a sintered magnetic material made by the powder metallurgy method. It is non-ductile in its finished heat treated state, but can be machined before final heat treat- ment. Grinding operations after heat treatment may be used...
Journal Articles
Alloy Digest (1967) 16 (11): Fe-31.
Published: 01 November 1967
...., gauss 4,700 4,400 6.4 4,300 Table 2 - TYPICAL hlECH.4NICAL PROPERTIES Tensile strength, psi Transverse modulus of rupture, psi Rockwell hardness Cast 3000 ~~00 c45 Siotered 65000 -0000 c43 DOI: 10.31399/asm.ad.fe0031 Copyright © ASM International® 1996 DEMAGNETIZATION CURVE ENERGY PRODUCT AND B/H VALUES...
Journal Articles
Alloy Digest (2013) 62 (10): Nd-5.
Published: 01 October 2013
..., IL 60173, USA Tel: (847) 517-7950 Fax: (847) 517-7951 www.daido.co.jp/en In Japan 1642-144 Nasubigawa Nakatsugawa, Gifu 509-9132 Tel: +81-573-68-6177 Fax: +81-573-68-6176 ISSN: 002-614X ND-5B Fig. 2 Thermal demagnetization of super heat resistant grades Fig. 3 Thermal demagnetization curves...
Journal Articles
Alloy Digest (1956) 5 (6): SA-44.
Published: 01 June 1956
... subsequent quenching inferior magnetic properties are obtained. Prolonged heating will also cause surface demrburization which decarbu- rized surface layer acts as a magnetic shunt on the magnet and thus decmases its e8ective strength Aging: If the demagnetization curve is plotted immediately after hardening...
Journal Articles
Alloy Digest (1972) 21 (9): Co-65.
Published: 01 September 1972
.... These magnets have the highest magnetic energy product of any commercial magnetic material. They also exhibit the greatest resistance to demagnetization of all available materials. These outstanding properties make GECOR especially well suited for applications that require minimum size and weight and/or where...
Journal Articles
Alloy Digest (1988) 37 (10): Fe-86.
Published: 01 October 1988
... NeIGT 27 NeIGT 35 Rockwell hardness Tensile strength, psi C58 C58 11500 11500 DOI: 10.31399/asm.ad.fe0086 Copyright © ASM International® 1996 Fig. 1 - Relative Br vs magnetklng field, H for NelGT (B/H)PERYEANCE COEFFICIENT P: Be . ENERGY PRODIJCT 110~1 Fig. 2 - Demagnetization curves, NelGT 27 Coating...
Journal Articles
Alloy Digest (1968) 17 (6): Fe-33.
Published: 01 June 1968
... structurally stable, this alloy suffers a consider- able remanence loss at 450X. Its ability to withstand demagnetizing fields is good. It is isotropic with no preferred magnetic orientation. The importance of working at (RdHd) max. is high. MAGNETIC REMANENCE VERSUS TEMPERATURE 80 60 01 I I I I I I I \\I\ 0...
Journal Articles
Alloy Digest (1970) 19 (2): Fe-42.
Published: 01 February 1970
... the direction established by crystal growth and magnetic field treating. It should be noted that because of the high degree of rectangularity of the demagnetization curve, the operating point of the magnet in its application is critical. To achieve maximum properties from this material, the magnet should...
Journal Articles
Alloy Digest (1987) 36 (1): Fe-75.
Published: 01 January 1987
... at 1550°F) Diameter inch Intrinsic Coercivity.* Hci. Oe Typical Maximum 4 0.964 1.0 +b 0.894 I.0 1/2 0.914 1.0 :/a 0.903 1.0 1 0.950 I.0 *Intrinsic coercivity determined after saturation at 1750 Oe, desaturation at 5000 Oe per second and demagnetization at 5 Oe per second. Heat Treatment: The response oi...
Journal Articles
Alloy Digest (1969) 18 (12): Cu-209.
Published: 01 December 1969
...\ . 01 . a\ 1 .-SINTERED ALNICO II 2.-SINTERED ALNICO IV 3.-SINTERED 4.-SINTERED 5.-VECTOUTE 6.dUNIFE I I x DE&WhETU.NG FORCE-H - OEM TEDS c-rCLI L Demagnetization and energy product curves for sintered magnetic materials. Heat Treatment: General Characteristics: Heat at 1900oF for 4 hours. quench in oil...
Journal Articles
Alloy Digest (2004) 53 (4): Nd-1.
Published: 01 April 2004
... into flakes, which are then hot pressed to full density and hot formed into the final products by an advanced extrusion technique. Fig. 1 Temperature dependence of demagnetization curve Fig. 2 Temperature dependence of irreversible flux loss DOI: 10.31399/asm.ad.nd0001 General Characteristics: Neoquench-DR...
Journal Articles
Alloy Digest (2004) 53 (12): Nd-2.
Published: 01 December 2004
... a family of Nd-Fe-B-base radially oriented anisotropic magnets manufactured by rapid quenching of material into flakes, which are then hot pressed to full density and hot formed into the final products by an advanced extrusion technique. Fig. 1 Temperature dependence of demagnetization curve Fig. 2...
Journal Articles
Alloy Digest (2005) 54 (1): Nd-3.
Published: 01 January 2005
... and hot formed into the final products by a highly advanced extrusion technique. A standard electrodeposited epoxy coating provides excellent corrosion resistance. Fig. 1 Temperature dependence of demagnetization curve Fig. 2 Temperature dependence of irreversible flux loss DOI: 10.31399/asm.ad.nd0003...