MAJOR RESEARCH AREAS
Advanced metallic alloys: metallic glasses and high-entropy alloys
In situ, under load, high-temperature computed tomography: Ceramic-matrix composites (SiC-SiC), nuclear graphite
Nature-inspired structural materials
Mechanical behavior of hard mineralized tissue: bone, teeth;
High-cycle fatigue of turbine engine alloys: Ti-6Al-4V; Ni-base alloys; grain-boundary engineering;
Fatigue and fracture of ceramic and intermetallic materials: Toughening mechanisms in monolithic and composite materials (e.g., SiC, gamma-TiAl); layered structures; mechanisms of fatigue-crack propagation at ambient to elevated temperatures; role of microstructure;
Ceramic/metal interfaces: Fracture mechanics of bimaterial interfaces; strength and toughness of interfaces; interfacial subcritical crack growth; crack path considerations;
Damage-tolerance and life prediction in biomedical implants: Fracture and fatigue properties of metallic and pyrolytic carbon materials for stents and prosthetic heart valve devices;
Fracture and fatigue of silicon films for MEMS devices: Micro- and nano-scale fatigue testing; protective coatings;
Mechanical propertites of carbon nanotubes
Fracture and fatigue in shape-memory alloys and bulk amorphous metals