R
R. Kapoor
Researcher at Bhabha Atomic Research Centre
Publications - 27
Citations - 1548
R. Kapoor is an academic researcher from Bhabha Atomic Research Centre. The author has contributed to research in topics: Strain rate & Deformation (engineering). The author has an hindex of 20, co-authored 23 publications receiving 1380 citations. Previous affiliations of R. Kapoor include University of California, San Diego & Missouri University of Science and Technology.
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Determination of temperature rise during high strain rate deformation
R. Kapoor,Sia Nemat-Nasser +1 more
TL;DR: In this article, the energy converted to heat during high strain rate plastic deformation is measured directly using an infra-red method for Ta−2.5% W alloy and, indirectly, using UCSD's recovery Hopkinson bar technique for the same alloy, as well as for commercially pure Ti, 1018 steel, 6061 Al and OFHC Cu.
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Deformation behaviour of commercially pure titanium at extreme strain rates
TL;DR: In this paper, the evolution of microstructure and texture during room temperature compression of commercially pure Ti with four different initial orientations were studied under quasi-static and dynamic loading conditions.
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Influence of fraction of high angle boundaries on the mechanical behavior of an ultrafine grained Al–Mg alloy
TL;DR: In this article, the microstructure of AA5052 was characterized using electron back scattered diffraction to obtain the boundary spacing, the fraction of high angle boundaries and to estimate the dislocation density from local misorientations.
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Softening of Al during multi-axial forging in a channel die
TL;DR: In this article, a multi-axial forging of Al was carried out at room temperature in a confined channel die as a means of achieving severe plastic deformation (SPD), and microstructures of the 3, 6 and 9 pass samples were quantified using electron back scattered diffraction to obtain the distribution of boundary spacing and fraction of high angle boundaries.
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Comparison between high and low strain-rate deformation of tantalum
R. Kapoor,Sia Nemat-Nasser +1 more
TL;DR: In this article, the constitutive behavior of tantalum has been studied over the range of strain rates from 0.0001/s to 3000/s and at temperatures from 296 to 1000 K. The flow stress is represented as the sum of a thermal, an athermal, and a viscous drag component.