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Effect of hot differential speed rolling on microstructure and mechanical properties of Fe3Al-based intermetallic alloy

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Published/Copyright: September 5, 2016
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 107 Issue 9

Abstract

Results of the first study on hot differential speed rolling (DSR) of Fe3Al-based intermetallic alloy are given in the present paper. The material was subjected to hot rolling at 1100°C with equal and non-equal (the DSR) speed of working rolls. The results of structural examinations indicate that the additional shear strain imposed to the material upon the DSR processing facilitates the activation of dynamic recrystallization. As opposed to the material hot deformed with equal speed of both rolls, the DSRed Fe3Al alloy was characterized by a fully transformed, close to equiaxed grain structure (average grain size of ∼120 μm). The observed structural evolution leads to a higher mechanical strength in DSRed samples as compared to the undeformed counterparts, however it does not result in a substantial improvement of the material's ductility.

Keywords: Intermetallics; Hot working; Severe plastic deformation; Grain refinement; Electron backscattering diffraction (EBSD)
*Correspondence address, Wojciech Polkowski, MSc, Department of Advanced Materials and Technologies, Faculty of Advanced Technologies and Chemistry, Military University of Technology, Gen. S. Kaliskiego 2 St., 00-908 Warsaw, Poland, Tel.: +48 226837793, Fax: +48 226839945, E-mail:

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Received: 2016-05-03
Accepted: 2016-06-02
Published Online: 2016-09-05
Published in Print: 2016-09-15

© 2016, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111401
Keywords for this article
Intermetallics; Hot working; Severe plastic deformation; Grain refinement; Electron backscattering diffraction (EBSD)

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Assessment of the contact behavior of a soft hemispherical finger tip in curved profile grasping
  5. Dynamic crushing behavior of functionally graded honeycomb structures with random defects
  6. Development of a mathematical model and its application to the stress evolution of a multi-crystalline silicon billet during continuous casting
  7. Improved polycrystalline Ni54Mn16Fe9Ga21 high-temperature shape memory alloy by γ phase distributing along grain boundaries
  8. Spheroidal graphite cast iron property enhancement by heat treatment
  9. On the abrasion of heat-treated 2.8C21Cr1Mo white cast iron
  10. Electrochemical hydrogen storage behaviour of as-cast and as-spun RE–Mg–Ni–Mn-based alloys applied to Ni–MH battery
  11. Dry sliding friction and wear behavior of bronze matrix composites reinforced with Ni3Al particles: Comparison with conventional brake lining
  12. Microstructure optimization and mechanical properties of lightweight Al–Mg2Si in-situ composite
  13. Densification and mechanical properties of ZrO2–CaAl4O7 composites obtained by reaction sintering
  14. Active soldering of aluminum–graphite composite to aluminum using Sn3.5Ag4Ti0.5Cu active filler
  15. Short Communications
  16. Effect of hot differential speed rolling on microstructure and mechanical properties of Fe3Al-based intermetallic alloy
  17. DGM News
  18. DGM News
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