magnetic hardening of smfe sub 10 v sub 2 by melt

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magnetic hardening of smfe sub 10 v sub 2 by melt

(PDF) Effect of rare earth additions on magnetic

Fig.2 depicts magnetic isotherms for the FeFe interaction energy increases from about 40 × 1023 J (x = 20) studied alloys determined at temperature of 2 K and applied mag- to about 80 × 1023 J (x = 40),whereas corresponding FeGd values netic eld up to 7 T.(PDF) Magnetic hardening of Zr<sub>2</sub>Co<sub>11</sub The optimal magnetic properties of Br=5.2 kG,iHc=4.5 kOe,and (BH)max=5.3 MGOe were obtained in Co80Zr17Si1B2 ribbons,which possessed Co5Zr and minor fcc-Co phases with much finer grain size (10

(PDF) Structural,magnetic,and magnetostriction behaviors

The melt-spun ribbon was about 25 m in thickness and 2 mm in width.This ribbon was cut in specimens of 10 cm in length for magnetic and magneto- striction measurements.They were annealed using the cur- rent annealing technique.12345NextCoercivity mechanism in SmFeTi rare-earth magnetsAs-quenched Sm/sub 0.87/Fe/sub 10/V/sub 2/ ribbons melt-spun at a substrate velocity of 20 m/s have an intrinsic coercivity H/sub ci/=6.9 kOe and remanence B/sub r/-5.1 kG.The Curie temperature of this material is 585 K.The highest coercivity,H/sub ci/=7.8 kOe,was obtained by overquenching a Sm/sub 0.95/Fe/sub 10/V/sub 2/ alloy and

Characterization and Magnetic Behavior of Fe and

Nanoparticles of Fe and NdFeB alloy with sizes less than 20 nm have been successfully fabricated by a high-energy ball-milling process in the presence of surfactant and organic carrier liquid.Structural and magnetic property characterization reveals that these nanoparticles consisting of nanosized grains can be used for fabricating anisotropic nanocomposite magnets.It was confirmed Cited by 15Publish Year 1990Author J.Ding,M.RosenbergEffect of Zr,V,Nb,Mo,and Ta substitutions on magnetic We have investigated effects of metal substitutions on the magnetic properties and microstructure of melt-spun Sm-Co-Cu-Fe-M (M = Zr,V,Nb,Mo,Ta) magnets. Sm <sub> 2 </sub> Co <sub> 17

Cited by 30Publish Year 1989Author F.E.Pinkerton,D.J.VanWingerdenHigh coercivity in melt-spun SmFe/sub 10/(Ti,M)/sub 2

Magnetic properties of SmFe/sub 10/ (Ti,M)/sub 2/ melt-spun ribbons were studied,where M is V,Cr,Mn,and Mo.The ribbons (M=V/Cr/Mo) quenched at 20 m/s exhibit the high coercivities of 4.2-5.5 kOe.Annealing the ribbons quenched at 40 m/s enhances their coercivities in the range of 5.9-10.0 kOe.Coercivity mechanism in SmFeTi rare-earth magnets (Journal The authors discuss their findings of intrinsic coercivities as large as H/sub ci/=7.8 kOe in Sm-Fe-V alloys magnetically hardened by melt-spinning.As-quenched Sm/sub 0.87/Fe/sub 10/V/sub 2/ ribbons melt-spun at a substrate velocity of 20 m/s have an intrinsic coercivity H/sub ci/=6.9 kOe

Effect of boron additions on phase formation and magnetic

Aug 15,2016·The magnetic properties of as-annealed SmFe 12 B 1.0 melt spun ribbons with an energy product of 2.19MGOe,a coercivity of 2.36 kOe and a remanence of 4.8 kGs have been achieved.The microstructural characteristics of as-annealed melt spun SmFe 12 and SmFe 12 B 1.0 ribbons have been discussed as well.Effect of boron additions on phase formation and magnetic Aug 15,2016·The magnetic properties of as-annealed SmFe 12 B 1.0 melt spun ribbons with an energy product of 2.19MGOe,a coercivity of 2.36 kOe and a remanence of 4.8 kGs have been achieved.The microstructural characteristics of as-annealed melt spun SmFe 12 and SmFe 12 B 1.0 ribbons have been discussed as well.

Formation and magnetic properties of TbCu{sub 7}-type

Isotropic Gd(Co{sub 0.88-x}Cu{sub x}Fe{sub 0.09}Zr{sub 0.03}){sub 7} (x=0.10-0.20) ribbons with TbCu{sub 7} structure have been prepared by melt-spinning technique.A uniform and fine cellular microstructure consisting of 2:17 cell with 1:5 cell-boundary phase is developed by simply slow cooling the ribbons from 850 to 400 deg.C without the Homemade Ice Melt The Easy Way to Melt IceDec 12,2019·This magical homemade ice melt is easy to make,too.In a bucket,combine a half-gallon of hot water,about six drops of dish soap,and ¼ cup of

Magnetic Properties and Microstructure of Melt-Spun CeFe

A series of Ce x Fe bal B 6 (x = 12,14,17,19,and 23 wt%) ternary ribbons was prepared by melt-spinning.Magnetic properties and the microstructure of the Ce-Fe-B ribbons with different Ce contents were investigated.The X-ray diffraction results indicated that multiphase coexisted in the as-spun Ce-Fe-B ribbons,which contained Ce<sub>2</sub>Fe<sub>17</sub>,CeFe<sub>2</sub>,Ce-rich phase Magnetic Properties of Sm-Fe-N/Co-B Composite Magnets Jan 01,2017·The [Sm.sub.5][Fe.sub.17] phase is a new ferromagnetic phase in the binary Sm-Fe system [8,9].The coercivity of the [Sm.sub.5][Fe.sub.17] phase is much larger than that of Nd-Fe-B magnets,but its remanence is much lower,at around 40 A[m.sup.2]/kg [4,5].The outlook for the discovering of new magnetic phases with a maximum energy product

Magnetic Properties of Sm-Zr-Fe Melt-Spun Ribbons

The magnetic properties of hydrogenated or/and nitrogenated SmFe <sub>3</sub> alloys are studied. hard magnetic 20:70:10 () phase in meltspun Sm 2 0 Fe 70+x Ti 10-x (x=-2,0,2) and Sm 2 5 Magnetic anisotropy and magnetostriction of SmFe 2 crystalMay 01,1999·SmFe 2 shows a typical cubic anisotropy with anisotropy constants K 1 =5.3×10 6 and K 2 =1.9×10 6 erg/cm 3 at 300 K.Though the easy axis of magnetization is parallel to the [1 1 0] direction at low temperatures,it changes to the [1 1 1] direction at temperatures above 195 K.Magnetostriction constants were determined to be 111

Magnetic hardening of Ce1+xFe11yCoyTi with ThMn12

@article{osti_1227303,title = {Magnetic hardening of Ce1+xFe11yCoyTi with ThMn12 structure by melt spinning},author = {Zhou,Chen and Sun,Kewei and Pinkerton,Frederick E.and Kramer,M.J.},abstractNote = {A recent study on the intrinsic magnetic properties of CeFe11yCoyTi has revealed that substituting one Co for Fe retains the favorable magnetocrystalline anisotropy Ha found in Magnetic hardening of SmFe/sub 10/V/sub 2/ by melt Magnetic hardening of SmFe/sub 10/V/sub 2/ by melt-spinning Abstract Intrinsic coercivities as large as H/sub ci/=7.8 kOe were obtained in Sm-Fe-V alloys magnetically hardened by melt-spinning.As-quenched Sm/sub 0.87/Fe/sub 10/V/sub 2/ ribbons melt-spun at a substrate velocity of 20 m/s have an intrinsic coercivity H/sub ci/=6.9 kOe and remanence B/sub r/=5.1 kG.

Magnetic hardening of SmFe/sub 10/V/sub 2/ by melt

Sep 01,1989·adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86AMagnetic hardening of melt-spun nanocomposite Nd<sub>2Coercivity optimization studies were done on melt-spun nanocomposite Nd4R2Fe87-xNbTxB6 (R=Nd,Y,Dy; T=Ag,Cu) isotropic ribbon samples.The maximum attainable coercivities,after adjusting the annealing time,were found to be very sensitive to the annealing temperatures.The optimum magnetic properties [Hc=3.9 kOe,(BH) max=10 MGOe] were obtained by annealing at 750775 °C for a few

Magnetic properties of Sm<sub>5</sub>Fe<sub>17</sub> melt

The resultant Sm<sub>5</sub>Fe<sub>17</sub>B<sub>x</sub> (x = 1.0-1.5) melt-spun ribbons still showed a coercivity of around 2 kOe.The annealed Sm<sub>5</sub>Fe<sub>17</sub> melt-spun ribbon exhibited a high coercivity over 25 kOe and a remanence of 40 emu/g,whereas the annealed Sm<sub>5</sub>Fe<sub>17</sub>B<sub>1.0</sub> melt-spun ribbon Magnetic properties of melt spun and crystallized SmFe 10 Jan 01,1990·Among the melt spun and subsequently crystallized alloys with nominal compositions SmFe 10 M 2 with M = Ti,Si and V,the SmFe 10 Ti 2 one exhibits the highest coercivity of 0.57 T.

Microstructure and coercivity variation in melt-spun SmCo

Nov 01,2010·The magnetization of ribbons drops sharply due to the presence of the relatively low magnetocrystalline anisotropy of the Sm 2 Co 7 hexagonal phase ,which acts as a magnetic reversal nucleation site and leads to a low coercivity of 2.8 kOe.On the other hand,the ribbons melt-spun at 30 and 60 m/s exhibit a large coercivity (9.8 kOe and 10.6 Nanocrystalline Sm-based 1:12 magnets Request PDFMagnetic hardening of melt-spun and crystallized SmFe-V and Sm(Fe,Co)-V alloys.Article. confirming that the ribbons are principally comprised of the SmFe<sub>10</sub>V<sub>2</sub

Novel exchange-coupled SmFe<SUB>3</SUB>/-Fe

A new nanocomposite magnet containing exchange-coupled SmFe 3 and -Fe phases has been successfully fabricated via melt spinning followed by magnetic annealing at 450-470 °C for 10 min.These SmFe 3 /-Fe magnets show remarkably high remanent ratio,M r /M s ,up to 0.93 and display a smooth single-phase-like loop with excellent rectangularity.Preparation of dispersion-hardened single- and The impact of oxide dispersion-hardening on the mechanical behavior of powder-in-tube Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub x/ tapes is investigated.Single-core tapes and multifilamentary tapes with 19 filaments were prepared from commercially available AgMg tubes and powder.The cold-working process was monitored by observing sample microstructures at intermediate stages.

Preparation of dispersion-hardened single- and

The impact of oxide dispersion-hardening on the mechanical behavior of powder-in-tube Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub x/ tapes is investigated.Single-core tapes and multifilamentary tapes with 19 filaments were prepared from commercially available AgMg tubes and powder.The cold-working process was monitored by observing sample microstructures at intermediate stages.Previous123456NextSamarium alloys - IEEE Conferences,Publications,and Magnetic hardening of SmFe/sub 10/V/sub 2/ by melt-spinning. As-quenched Sm/sub 0.87/Fe/sub 10/V/sub 2/ ribbons melt-spun at a substrate velocity of 20 m/s have an intrinsic coercivity H/sub ci/=6.9 kOe and remanence B/sub r/=5.1 kG.The Curie temperature of this material is 585 K.The highest coercivity,H/sub ci/=7.8 kOe,was obtained by

Samarium alloys - IEEE Conferences,Publications,and

Magnetic hardening of SmFe/sub 10/V/sub 2/ by melt-spinning. As-quenched Sm/sub 0.87/Fe/sub 10/V/sub 2/ ribbons melt-spun at a substrate velocity of 20 m/s have an intrinsic coercivity H/sub ci/=6.9 kOe and remanence B/sub r/=5.1 kG.The Curie temperature of this material is 585 K.The highest coercivity,H/sub ci/=7.8 kOe,was obtained by Samarium alloys - IEEE Technology NavigatorConnecting You to the IEEE Universe of Information.Xplore Articles related to Samarium alloys

SmFe12-based hard magnetic alloys prepared by reduction

Dec 17,2020·Magnetic properties of SmFe<sub>10</sub>(Ti,M )<sub>2</sub> melt-spun ribbons were studied,where M is V,Cr,Mn,and Mo.The ribbons ( M =VSome results are removed in response to a notice of local law requirement.For more information,please see here.

Studies on the formation,structure and magnetic

Jul 02,1997·The effects of Cr substitution on the formation,structure and magnetic properties of Sm 2 (Fe,Cr) 17 C x compounds have been systematically studied on arc-melted and melt-spun samples using XRD,TEM and magnetic measurements.It has been found that Cr substitution is an effective way to form the Sm 2 (Fe,Cr) 17 C x carbides.The minimum Cr amount for Sm 2 Fe 17y Cr y C 2 to formTailoring of magnetoimpedance effect and magneticEarlier magnetic hardening and/or crystallization of the microwires after annealing with the DC current density,j 450 A/mm 2 was reported 45,50.Observed Joule heating of stress-annealed Fe 75 B 9 Si 12 C 4 microwires can considerably affect diagonal MI effect in stress-annealed samples providing interesting features.

ThMn 12 -Type Alloys for Permanent Magnets

The only known R(Fe,M) 12 alloy susceptible to bulk hardening is Sm(Fe,V) 12; it solidifies into a mixture of the -(Fe,V) and SmFe 2 phases and,after controlled crystallization of the SmFe 10 V 2 phase,develops an H c up to 3.7 kOe [39].We were able to achieve bulk hardening in alloys prepared from Fe,Ti,and an inexpensive mixture of 65 Troubleshooting and Prevention of Cracking in Induction In scan hardening,the inductor or workpiece (or both) can move linearly relative to each other during the hardening cycle [2].Depending on workflow,the system can be built vertically,horizontally,and at an angle,though vertical-scan hardening is the most popular design for a number of reasons,including a reduced equipment footprint and

Zhongmin CHEN Fudan University,Shanghai Department

The effects of Cr substitution on the formation,structure and magnetic properties of Sm<sub>2</sub>(Fe,Cr)<sub>17</sub>C<sub>x</sub> alloys have been systematically studied on arc-melted and melt



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