The Advanced Materials Manufacturing and Tribology Lab involves in Advanced Metallurgy, Processing & Mechanical Behavior at IIT Tirupati stands at the forefront of structural and functional materials design. Our research bridges the gap between fundamental physical metallurgy and advanced manufacturing to deliver scalable engineering solutions for extreme environments.
By mapping processing to microstructural evolution to deformation mechanics, we engineer high-performance material systems tailored for critical sectors including aerospace, automotive, space exploration, microelectronics, and clean energy infrastructure.
1. Advanced Manufacturing & Solid-State Processing
Developing energy-efficient, near-net-shape manufacturing, precision casting, and advanced joining technologies.
Friction Stir Technologies: Advancing Friction Stir Welding (FSW), processing (FSP), and compaction for extreme grain refinement, localized microstructural modification, and defect-free solid-state joining.
Casting, Forming & Solidification: Innovating in foundry technology, metal forming, and Directional Solidification (DS) of high-temperature structural materials to eliminate critical defects.
Powder Metallurgy & Additive Manufacturing: Scaling Large-Scale Additive Manufacturing (AM) (metal 3D printing) alongside specialized powder metallurgical processing of high-strength Al-alloys.
Process-Property Feedback: Evaluating the microstructural integrity and strength optimization of AM and joined components through predictive analytics.
Surface Engineering: Utilizing advanced surface alloying to strategically tailor localized resistance against wear, corrosion, and extreme environmental degradation.
2. Mechanical Behavior & Multiscale Characterization
Probing the fundamental physics of how metallic materials deform, fatigue, and fail under extreme conditions.
Deformation Mechanics: Rigorous investigation of elementary deformation mechanisms (dislocation kinetics, twinning, and phase transformation-induced plasticity) under both monotonic and cyclic loading.
Advanced Testing & Characterization: Utilizing multi-scale assessment methods—from traditional bulk mechanical frames to micro- and nano-scale mechanical testing—coupled with in situ SEM and TEM tracking.
Extreme Environments: Quantifying strengthening and creep mechanisms at elevated temperatures in intermetallic compounds, superalloys, and multi-component systems.
Grain Boundary Engineering: Mapping the specific effects of grain boundaries, secondary interfaces, and heterogeneous microstructures on macroscale behavior.
Multiscale Modeling: Establishing robust, experimentally verified mechanistic foundations to empower predictive crystal plasticity and finite element simulations.
3. Next-Generation Alloys & Functional Materials
Designing complex structural materials, smart components, and multifunctional composites.
Advanced Alloy Development: Strategic design of oxidation-resistant, high-strength structural materials:
Superalloys & High-Entropy Alloys (HEAs): Leveraging site-specific solute lattice occupancy within ordered gamma prime precipitates to manipulate planar fault energies.
Lightweight & Amorphous Systems: Developing high-performance Al-alloys, Cu-alloys, nanocrystalline metals, and amorphous metallic glasses.
Smart Materials & Composites: Manufacturing and characterizing self-healing systems, self-cleaning coatings, syntactic foams, and self-lubricating polymer composites.
Tribology & Wear Mitigation: Engineering nano-composites and solid lubricants to eliminate friction in high-wear mechanical interfaces.
Biomedical Engineering: Translating high-strength alloy design into biocompatible, bio-inspired materials for long-lasting medical implants.
4. Environmental Degradation, Reliability & Green Metallurgy
Mitigating materials degradation while championing global industrial sustainability.
Hydrogen Infrastructure: Combating Hydrogen Embrittlement (HE) in storage and transport pipelines by deploying Short-Range Ordered (SRO) precipitates to block adverse hydrogen diffusion pathways.
Sustainable Metallurgy: Actively researching processes and alloy pathways focused on reducing embodied energy and carbon emissions across the entire materials production lifecycle.
Microelectronics Reliability: Evaluating thermal stresses, mechanical fatigue, and materials reliability in advanced electronic packages, with a core focus on the phase transformations and intermetallic growth kinetics of lead-free solder alloys.
