The Effect of Structural State on Magnetic and Magnetocaloric Properties of Micro-and Nanocrystalline Gd

2012 ◽  
Vol 190 ◽  
pp. 315-318 ◽  
Author(s):  
S.A. Nikitin ◽  
A.I. Smarzhevskaya ◽  
T.P. Kaminskaya ◽  
A.S. Semisalova ◽  
V.V. Popov ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Magnetic Properties ◽  
Severe Plastic Deformation ◽  
Structural State ◽  
Magnetic Entropy ◽  
Marked Influence ◽  
Magnetocaloric Properties

The effect of micro-and nanocrystalline structural state on magnetic properties and magnetic entropy (ΔSM) of Gd is investigated. The marked influence of severe plastic deformation on ΔSM is demonstrated.

Hysteresis Magnetic Properties of Nd-Ho-Fe-Co-B Alloys after Intense Plastic Deformation

2010 ◽  
Vol 667-669 ◽  
pp. 1065-1070 ◽  
Author(s):  
Irina S. Tereshina ◽  
Evgeniya A. Tereshina ◽  
Gennady S. Burkhanov ◽  
Sergey V. Dobatkin
Keyword(s):  
Electron Microscopy ◽  
Plastic Deformation ◽  
Magnetic Properties ◽  
Severe Plastic Deformation ◽  
Structural State ◽  
Structural Investigation ◽  
Magnetic Hysteresis ◽  
Induction Melting ◽  
X Ray ◽  
Hysteresis Properties

In the present work a study of the influence of structural state on magnetic hysteresis properties of (Nd,Ho)2(Fe0.8Co0.2)14B compound was carried out. Starting alloy was prepared by induction melting in an Ar atmosphere. Nd-Ho-Fe-Co-B alloys with a nanograin structure were obtained by severe plastic deformation (SPD). Electron microscopy and X-ray analysis were used for the structural investigation. The magnetization measurements were performed using a SQUID magnetometer. It is shown that the relatively high values of coercive force are observed in case of achieved nanograin structure in (Nd,Ho)2(Fe0.8Co0.2)14B. The effect of structural state on hysteresis properties of Y2(Fe0.8Co0.2)14B is also investigated.

Structure and magnetic properties of the Nd9.5Fe84.5B6 alloy subjected to severe plastic deformation and annealing

2017 ◽  
Vol 2017 (10) ◽  
pp. 801-806
Author(s):  
V. P. Menushenkov ◽  
I. V. Shchetinin ◽  
S. V. Chernykh ◽  
A. G. Savchenko ◽  
M. V. Gorshenkov ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Magnetic Properties ◽  
Severe Plastic Deformation

scholarly journals Influence of Severe Plastic Deformation on Magnetic Properties of Fe48Ni48Zr4, Fe49.5Co16.5B33Ta and Co80Zr16B4 Alloys

2015 ◽  
Vol 75 ◽  
pp. 1404-1409 ◽  
Author(s):  
S. Taskaev ◽  
K. Skokov ◽  
V. Khovaylo ◽  
D. Gunderov ◽  
D. Karpenkov
Keyword(s):  
Plastic Deformation ◽  
Magnetic Properties ◽  
Severe Plastic Deformation

Magnetic Properties and Microstructure of a FeCo Ferritic Steel after Severe Plastic Deformation

2006 ◽  
Vol 503-504 ◽  
pp. 299-304 ◽  
Author(s):  
A. Vorhauer ◽  
K. Rumpf ◽  
P. Granitzer ◽  
Siegfried Kleber ◽  
H. Krenn ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Magnetic Properties ◽  
Severe Plastic Deformation ◽  
Ferritic Steel ◽  
Coarse Grained ◽  
Soft Magnetic ◽  
Microstructural Refinement ◽  
Coarse Grained State ◽  
Deformed State ◽  
Magnetization Behavior

A commercial FeCo ferritic steel with an initial grain size of 10 μm was subjected to Severe Plastic Deformation in a temperature range between 293 K (0.16Tm, Tm: melting temperature in K) and 723 K (0.4Tm) up to strain levels where a saturation of the microstructural refinement is observed. The microstructure of the severely deformed state is analyzed by Back Scattered Electrons micrographs captured in a SEM. The magnetic properties were characterized by means of SQUID-magnetometer providing information about the magnetization behavior of the material in the as processed state. Depending on the deformation temperature mean microstructural sizes in the steady state of 50 nm and 270 nm were observed after SPD at 293 K and 723 K, respectively. These small microstructural sizes influences significantly the magnetic properties of the material: it shifts the behavior from soft-magnetic in the initial coarse grained state towards a hard-magnetic with decreasing size of the crystallites. For sizes of the crystallites smaller than about 100 nm the magnetic properties become again more soft-magnetic.

scholarly journals Analysis of the Structural State Formed in Titanium at the Final Severe Plastic Deformation Stage

2020 ◽  
Vol 121 (10) ◽  
pp. 1021-1025
Author(s):  
O. I. Volchok ◽  
V. V. Kalinovskii ◽  
I. F. Kislyak ◽  
I. V. Kolodii ◽  
G. E. Storozhilov ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Severe Plastic Deformation ◽  
Structural State ◽  
Deformation Stage

scholarly journals Magnetic properties of nitrides Sm2Fe17 compound after severe plastic deformation by torsion at 77K

2019 ◽  
Author(s):  
Igor Shchetinin ◽  
Igor Bordyuzhin ◽  
Vladimir Menushenkov ◽  
Roman Sundeev ◽  
Anton Kamynin ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Magnetic Properties ◽  
Severe Plastic Deformation

Effect of severe plastic deformation on the specific heat and magnetic properties of cold rolled Gd sheets

2015 ◽  
Vol 117 (12) ◽  
pp. 123914 ◽  
Author(s):  
S. Taskaev ◽  
K. Skokov ◽  
V. Khovaylo ◽  
V. Buchelnikov ◽  
A. Pellenen ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Magnetic Properties ◽  
Severe Plastic Deformation ◽  
Specific Heat ◽  
Cold Rolled

scholarly journals Effects of severe plastic deformation on the magnetic properties of terbium

AIP Advances ◽  
2018 ◽  
Vol 8 (4) ◽  
pp. 048103 ◽  
Author(s):  
S. Taskaev ◽  
K. Skokov ◽  
V. Khovaylo ◽  
D. Karpenkov ◽  
M. Ulyanov ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Magnetic Properties ◽  
Severe Plastic Deformation
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