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Ankush Kashiwar

Ankush Kashiwar

PhD Student
Electron Microscopy and Spectroscopy Laboratory
Research Unit: Nanostructured Materials
Room: 0-107
Phone: 0721/608-28932
ankush kashiwarSxl5∂partner kit edu

Project: In-situ TEM on mechanical deformation of nanocrystalline metals


Doctor of Philosophy (PhD), Materials and Geosciences, Technische Universität Darmstadt, Germany
2012-2014            Master of Engineering (ME), Materials Engineering, Indian Institute of Science, Bangalore, India

Bachelor of Technology (B.Tech.), Metallurgical and Materials Engineering, Visvesvaraya National Institute of Technology, Nagpur, India


Research Interests

My research is dedicated towards developing a closer link between the deformation structure and underlying deformation mechanisms in nano scaled materials with an emphasis on nanocrystalline metals. The research involves investigation of the deformation behavior of nanocrystalline metals using state-of-the-art in-situ TEM mechanical testing and imaging methods that enable a better understanding of the deformation processes in real time. Using in-situ mechanical testing in the TEM coupled with advanced imaging methods, especially TEM based automated crystal orientation mapping (ACOM-TEM), it is envisioned to qualitatively and quantitatively analyze the deformation processes. Apart from in-situ deformation studies, the project encompasses imaging and analysing the grain boundary phenomena in polycrystalline metals and precipitation studies in some alloys in real time by in-situ TEM heating studies. Further more it also involves investigation of the ex-situ deformed structure of nanocrystalline samples subjected to varying deformation techniques.



  1. On variant distribution and coarsening behavior of the α phase in a metastable β titanium alloy.
    Balachandran, S.; Kashiwar, A.; Choudhury, A.; Banerjee, D.; Shi, R.; Wang, Y.
    2016. Acta materialia, 106, 374-387. doi:10.1016/j.actamat.2016.01.023
  2. Combination of in situ straining and ACOM TEM: A novel method for analysis of plastic deformation of nanocrystalline metals.
    Kobler, A.; Kashiwar, A.; Hahn, H.; Kübel, C.
    2013. Ultramicroscopy, 128, 68-81. doi:10.1016/j.ultramic.2012.12.019
  3. Deformation-induced grain growth and twinning in nanocrystalline palladium thin films.
    Kobler, A.; Lohmiller, J.; Schäfer, J.; Kerber, M.; Castrup, A.; Kashiwar, A.; Gruber, P. A.; Albe, K.; Hahn, H.; Kübel, C.
    2013. Beilstein journal of nanotechnology, 4, 554-566. doi:10.3762/bjnano.4.64
  4. Effect of solution annealing temperature on precipitation in 2205 duplex stainless steel.
    Kashiwar, A.; Vennela, N. P.; Kamath, S. L.; Khatirkar, R. K.
    2012. Materials characterization, 74, 55-63. doi:10.1016/j.matchar.2012.09.008