Order – disorder transformation in Ni – V alloys under electron irradiation
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Sundararaman Mahadevan
, Jung Bahadur Singh , Srikumar Banerjee and Hirotaro Mori
Abstract
The ordering transformations in nickel-rich Ni–V alloys were investigated in situ in a high voltage electron microscope in the temperature range from 300 K to 773 K. The progress of ordering/disordering was monitored from diffraction patterns taken after different periods of time. The {1 1/2 0} ordering instability was noticed during irradiation of ordered Ni3V alloy at 300 K. The increase/decrease in superlattice intensity corresponding to long range ordered phases (Ni3V and Ni2V) in Ni-29 at.% V alloy has been attributed to the net effect of the simultaneous operation of different competing processes such as radiation induced disordering, radiation induced ordering and thermal diffusion assisted ordering.
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© 2011, Carl Hanser Verlag, München
Articles in the same Issue
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- Atom probe tomography: from physical metallurgy towards microelectronics
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- Order – disorder transformation in Ni – V alloys under electron irradiation
- Materials issues of the SINQ high-power spallation target
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- Surface tension and viscosity of NiAl catalytic precursor alloys from microgravity experiments
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- DGM News
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Articles in the same Issue
- Contents
- Contents
- Editorial
- Prof. Dr.-Ing. Heinrich Wollenberger — 80 years
- Original Contributions
- Atom probe tomography: from physical metallurgy towards microelectronics
- Accumulation of radiation damage and disordering in MgAl2O4 under swift heavy ion irradiation
- TEM study of irradiation induced copper precipitation in boron alloyed EUROFER97 steel
- Order – disorder transformation in Ni – V alloys under electron irradiation
- Materials issues of the SINQ high-power spallation target
- The origin and development of the P{011}<111> orientation during recrystallization of particle-containing alloys
- Coarsening kinetics of Cu-rich precipitates in a concentrated multicomponent Fe–Cu based steel
- Beyond Ni-based superalloys: Development of CoRe-based alloys for gas turbine applications at very high temperatures
- The effect of heat treatments on the microstructure, texture and mechanical properties of the extruded magnesium alloy ME21
- Analysing SANS data to determine magnetisation reversal processes in composite perpendicular magnetic recording media using TEM images
- Dislocationless sliding in a polycluster glass
- Evolution of transformation plasticity during bainitic transformation
- Surface tension and viscosity of NiAl catalytic precursor alloys from microgravity experiments
- Synthesis of carbon nanotubes by fine Ni particles in Ni3Al foam
- Fabrication of dielectric thin films by sputtering deposition at different pressures with (Ba0.3Sr0.7)(Zn1/3Nb2/3)O3 ceramic as target
- DGM News
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