Engineering Applications of Time-of-Flight Neutron Diffraction |
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| Authors: | Bj?rn Clausen Donald W Brown and I C Noyan |
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| Affiliation: | (1) LANSCE-LC, Los Alamos National Laboratory, Los Alamos, NM, USA;(2) Structure/Property Relations, Los Alamos National Laboratory, Los Alamos, NM, USA;(3) Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, USA;; |
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| Abstract: | Time-of-flight neutron diffraction is widely used in characterizing the microstructure and mechanical response of heterogeneous
systems. Microstructural characterization techniques include spatial or temporal mapping of the phases and determination of
grain size, dislocation structure, and grain orientations (texture) within these phases. Mechanical response analysis utilizes
the crystallographic selectivity of the diffraction process to measure the partitioning of strain within the system. The microstructural
and mechanical response information is then used to develop more realistic constitutive models. In this article we review
some examples of such measurements, based on our experiences at the Lujan Center of Los Alamos National Laboratory. |
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