Research
Titanium and Its Alloys
Aerospace

Processing and Characterization of alpha/beta (Ti64) and beta (Ti5553) Titanium alloys for aerospace application.
3D nano-characterization in order to study the structure and composition of metastable instabilities within the beta matrix and their influence on the nucleation of stable alpha precipitates in beta titanium alloys.
The influence of heat-treatments on the partitioning and pile-up of various alpha (Al) and beta (Mo, V, Cr) alloy additions at the interphase interfaces.
Three dimensional morphology and composition of nanoscale microstructural features in fundamental titanium alloy systems. ( alloy systems: Ti-Mo, Ti-V, Ti-Al-Mo, Ti-Al-V, Ti-Cr)
Orthopedic

Characterization of microstructure of Ti-Nb-Zr-Ta based alloys systems fabricated by Laser Engineered Net Shaping (LENS™) process
Investigating the mechanical and biological properties of LENS™ processed porous biomaterials.
Nickel Based Superalloys
Influence of microstructure and chemistry on mechanical properties of commercial Nickel base superalloys used in jet engines. (Alloys : RENE 88DT)
Determination of the structure and chemistry across gamma /gamma’ interfaces at atomistic length scales
Studying the partitioning of alloying elements along gamma /gamma’ interfaces.
Understanding chemical and structural width of gamma/gamma’ interfaces
3D characterization of the morphology and composition of nanoscale gamma’ precipitates by coupling TEM tomography with 3D atom probe
Determination of the lattice parameters of gamma and gamma’ phases as well as the site occupancies of different alloying elements in g’ experimental characterization coupled with atomistic modeling
Metal Matrix Composites
Metal-Carbon Nanotube Hybrids
Optimization of processing route for Ni-CNT hybrids and characterization of nanoscale structure and chemistry of metal / CNT interface
Investigation of boride reinforced TNZT alloys for biomedical application
Orientation, morphology and composition analysis of Titanium carbide precipitates in alpha/beta and beta titanium matrix
Metallic Thin Films
Influence of Synthesis Conditions on the phase separation in nanostructured Immiscible Copper-Silver Alloy Thin Films
Immiscible Copper-Niobium Alloy Thin Films: Microstructure and Electrical Transport Properties, early Stages of Crystallization, 3D atom probe tomography and high resolution electron microscopy for probing microstructure.
Size effects (effect of reduced system dimensions) on the crystal structure and properties (electrical transport and mechanical) of nanostructured metallic thin films and multilayers