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An investigation into the effect of isothermal annealing on the structure (XRD), microstructure (SEM, TEM) and magnetic properties of amorphous ribbons and bulk amorphous plates

Paper presented at “XV International Conference on Electron Microscopy”, 15–18 September 2014, Cracow, Poland
  • Marcin Nabiałek , Paweł Pietrusiewicz , Katarzyna Błoch and Michał Szota
Published/Copyright: July 9, 2015
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 106 Issue 7

Abstract

Test samples of the alloy Fe61Co10Y8W1B20 were fabricated in the form of both amorphous ribbons and bulk amor-phous plates. The structure, microstructure and magnetic properties of samples in the as-quenched state and after annealing were investigated. The aim of the paper is to show the effect of the thermal treatment on the structural changes occurring in the amorphous state. The thermal treatment, performed at well below the crystallisation temperature, did not cause crystallisation. In the investigated amorphous alloys it has been found that, after a specific thermal treatment, structural relaxation occurs in the presence of structural defects, such as quasidislocational dipoles. Also, supporting the microscopy investigations with measurements of the magnetic properties can be extremely beneficial for facilitating description of the real structure and properties of the amorphous alloys; further, this testing combination offers the possibility for designing the optimal application parameters for an alloy.

Keywords: Amorphous materials; Transmission electron microscopy; Scanning electron microscopy; Nanocrystalline; Magnetic materials
*Correspondence address, Dr hab. Marcin Nabiałek prof. PCz, Czestochowa University of Technology, Institute of Physics, 19 Armii Krajowej Av., 42-200 Czestochowa, Poland, Tel.: +48 343250791, Fax: +48 343250795, E-mail:

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Received: 2014-10-31
Accepted: 2015-02-16
Published Online: 2015-07-09
Published in Print: 2015-07-04

© 2015, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111231
Keywords for this article
Amorphous materials; Transmission electron microscopy; Scanning electron microscopy; Nanocrystalline; Magnetic materials

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Phase transitions induced by severe plastic deformation: steady-state and equifinality
  5. Dynamic precipitation of nickel-based superalloys undergoing severe deformation below the solvus temperature
  6. The influence of ECAP on microstructure evolution of aluminium alloys during in-situ heating in TEM
  7. An investigation into the effect of isothermal annealing on the structure (XRD), microstructure (SEM, TEM) and magnetic properties of amorphous ribbons and bulk amorphous plates
  8. Analysis of the structure (XRD) and microstructure (TEM, SEM, AFM) of bulk amorphous and nanocrystalline alloys based on FeCoB
  9. Preparation and characterization of silicon nanowires using SEM/FIB and TEM
  10. In-situ TEM heating of Ni/Al multilayers
  11. Microstructure and martensitic transformation in Ni48Mn39.5Sn12.5–xSix metamagnetic Heusler alloy ribbons
  12. Evolution of Fe-rich compounds in a secondary Al–Si–Cu alloy: influence of cooling rate
  13. Microstructural evolution and grain refinement in an intermetallic titanium aluminide alloy with a high molybdenum content
  14. Microstructure and properties of thick nanocomposite TiN/Si3N4 coatings on Vanadis 23 HS steel
  15. Influence of casting procedure on microstructure and properties of Mg alloy–glassy carbon particle composite
  16. Microstructural characterization of nanostructured supersonic sprayed Ni–Sn coatings after wear tests at elevated temperature
  17. On the wear of TiBx/TiSiyCz coatings deposited on 316L steel
  18. 3D reconstruction and characterization of carbides in Ni-based high carbon alloy in a FIB-SEM system
  19. Microstructural evolution in deformed duplex stainless steels
  20. Microstructure and interfacial reactions in the bonding zone of explosively welded Zr700 and carbon steel plates
  21. Microstructural characterization of second phases in X10CrMoVNb9–1 and 12CrMoWCuVNb steels after long steam exposure time at 550°C
  22. Short Communications
  23. Novel multilayer nano-composite protective coatings for metallic medical tools
  24. Microstructural changes in Cu-5.8 at.% In alloy caused by high pressure torsion
  25. Electron microscopy investigation of a cast AlSi9Mg aluminum alloy subjected to friction stir processing with overlapping passes
  26. DGM News
  27. DGM News
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