Development of an in situ neutron-scattering facility for research and education in the mechanical behavior of materials

摘要: The present work is to establish a suite of instruments for studying the mechanical behavior advanced materials using in situ neutron-scattering at impending Spallation Neutron Source (SNS, Oak Ridge National Laboratory), which will provide most intense pulsed-neutron source world. state-of-the-art and real-time characterization instrumentation be developed VULCAN SNS. diffractometer designed conduct fundamental studies science engineering with focus on behavior. described here enable fulfill its full potential. capabilities far surpass anything else available simultaneous neutron diffraction small-angle (SANS) during testing have tremendous impact understanding materials. successful development give scientists many new valuable study complex multi-phase/-scale microstructures various sizes/types (1) under large static/dynamic loads (including tension, compression, torsion, i.e., real-world conditions), (2) high temperatures, and/or (3) chemical environments. Moreover, such allow engineers probe components realistic operating processing conditions.