Summary of research experience
- Research experience in various materials science topics, especially powder metallurgy, mechanical properties, steels, and tribology.
- Theoretical and practical knowledge with various scientific equipment, especially in X-ray diffraction, differential scanning calorimetry, dilatometry, scanning electron microscopy, EBSD, X-ray photoelectron spectroscopy, auger electron spectroscopy and in various mechanical testing equipment.
- Master of Technology (Aug 2001 - Feb 2003) in Metallurgical Engineering from the IIT (BHU), Varanasi, India
- Ph.D. (Oct 2006 - Jun 2011) in Materials Science from the faculty of Mechanical Engineering, Technical University Dresden, Germany. Dissertation: Production of high-strength Al-based alloys by consolidation of amorphous and partially amorphous powders
Professional Experience
- Postdoctoral Fellow and Research assistant (Dec 2010 - Jul 2014), Materials and Manufacturing Technology, Chalmers University of Technology, Göteborg, Sweden.
Research activities: Machinability of case hardened steels, creep behavior of PM components at low temperature and at high static loads (Höganäs AB and Volvo AB), sintering and compaction behavior of PM components with master alloy mixing concept (Höganas AB), NiTi shape memory alloys and superalloys (GKN Aerospace).
- Postdoctoral Fellow, Materials Engineering, LTH, Lund University, Sweden.
Research activities: Reaction synthesis of AL-Ni-Ti, interdiffusion of Fe-W system, Small punch creep studies of Superalloys and Ti-6Al-4V and erosion of tungsten oxide (ESS AB).
Publications
Publications
- Microstructure analysis of martensitic low alloy carbon steel samples subjected to deformation dilatometry, Materials Characterization, 2019, Vol. 157. Article : refereed. .
- Study of heavy ion beam induced damage in tungsten for high power target applications, Nuclear Instruments and Methods in Physics Research Section B, 2019, Vol. 439, 7-16. Article : refereed. .
- Formation of oxide layers on tungsten at low oxygen partial pressures, Journal of Nuclear Materials, 2018, Vol. 506, No. SI, 26-34. Article : refereed. .
- Thin hard CVD and PVD coatings and their potential in steel wire drawing applications, Proceedings of The 18th Nordic Symposium on Tribology - NORDTRIB 2018 : 2018. Conference paper : refereed. .
- Scratch testing of cemented carbides - Influence of Co binder phase and WC grain size on surface deformation and degradation mechanisms, Proceedings of The 18th Nordic Symposium on Tribology - Nordtrib 2018 : 2018. Conference paper : refereed. .
- In-situ micro-tensile testing of additive manufactured maraging steels in the SEM : Influence of build orientation, thickness and roughness on the resulting mechanical properties, La Metallurgia Italiana, 2018, No. 3, 27-33. Article : refereed. .
- Wear of cemented carbide nibs in steel wire drawing, The 18th Nordic Symposium on Tribology – NORDTRIB 2018 : 2018. Conference paper. .
- Characterization of surface degradation and wear damage Of cemented carbide in rock drilling, The 18th Nordic Symposium on Tribology – NORDTRIB 2018 : 2018. Conference paper. .
- Full Densification in PM Steels Through Liquid Phase Sintering and HIP Approach, Euro PM2018 Proceedings : 2018. Conference paper : refereed. .
- Pressure-assisted sintering of Al–Gd–Ni–Co amorphous alloy powders, Materialia, 2018, Vol. 2, 157-166. Article : refereed. .
- Shear band morphology and fracture behavior of cold-rolled Zr52.5Ti5Cu18Ni14.5Al10 bulk metallic glass under tensile loading, Journal of Alloys and Compounds, 2017, Vol. 708, 722-727. Article : refereed. .
- In-situ Micro-tensile Testing of Additive Manufactured Maraging Steels in the SEM: Influence of Build Orientation, Thickness and Roughness on the Resulting Mechanical Properties, Proceedings Euro PM 2017: International Powder Metallurgy Congress and Exhibition2017 : 2017. Conference paper : refereed. .
- Enhanced densification of PM steels by liquid phase sintering with boron-containing master alloy, Metallurgical and Materials Transactions. A, 2017, Vol. 49A, No. 1, 255-263. Article : refereed. .
- Effect of stress concentration on plastic deformation of Zr41.2Ti13.8Cu12.5Ni10Be22.5 bulk metallic glass under compressive loading, Materials letters (General ed.), 2016, Vol. 179, 202-205. Article : refereed. .