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The techniques available for making predictions of structural component lifetimes are currently limited to 2D. For example, in linear elastic fracture mechanics, the crack tip stress state, used to relate crack growth rates to lifetime, has only been calculated for simple geometries (e.g. compact
Project activities include: Electronic structure of semiconductor-oxide interfaces. Thermodynamics of flexible microporous materials for gas storage Gas adsorption in microporous materials Analysis of topological materials, including magnetic topological insulators High-throughput screening of
RESEARCH HIGHLIGHTS FACILITIES and CAPABILITIES PUBLICATIONS - see individual staff webpages on right POST-DOCTORAL OPPORTUNITIES - jump to section below Metal additive manufacturing (AM) is not used in fatigue and fracture critical applications despite industrial need. The goal of this project is
Knowledge of a material’s mechanical properties is key to designing safe and reliable structural components for applications ranging in size from medical implants to large civil engineering structures. Traditionally, a material’s mechanical properties are measured by performing mechanical tests on
Claire Dessalles, Nicolas Cuny, Arthur Boutillon, Paul Salipante, Avin Babataheri, Abdul Barakat, Guillaume Salbreux
Blood vessels expand and contract actively, while continuously experiencing dynamic external stresses from the blood flow. The mechanical response of the vessel
Boris Slautin, Yungtao Liu, Yu Liu, Reece Emery, Seungbum Hong, Astita Dubey, Vladimir Shvartsman, Doru Lupascu, Sheryl Sanchez, Mahshid Ahmadi, Yunseok Kim, Evgheni Strelcov, Keith Brown, Philip Rack, Sergei Kalinin
For over three decades, scanning probe microscopy (SPM) has been a key method for exploring material structures and functionalities at nanometer and often
Sangwon Lee, Michael Pilipchuk, Can Yildirim, Duncan Greeley, Qianying Shi, Tracy Berman, Adam Creuziger, Evan Rust, Carsten Detlefs, Veera Sundararaghavan, John Allison, Ashley Bucsek
At two-thirds the weight of aluminum, magnesium alloys have the potential to significantly reduce the fuel consumption of transportation vehicles. These
Dash Weeks, Ryan White, Jake Benzing, Enrico Lucon, Nicholas Derimow, Ashley Kroon, Robert Smith
This study evaluates the material properties of an X100 pipeline steel extracted from an experimental transmission pipeline section placed into service in the
Over 10 independent digital image correlation (DIC) measurement systems are available in the NIST Center for Automotive Lightweighting. The majority of these
An intermediate strain rate test machine is available in the NIST Center for Automotive Lightweighting. The actuator for this test machine can move at speeds up
Thermal imaging systems are available in the NIST Center for Automotive Lightweighting. These cameras can be used to measure adiabatic heating during mechanical
A variety of uniaxial test machines are available in the NIST Center for Automotive Lightweighting. These include servo-hydraulic and screw-driven test frames