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powders and the final parts, a lack of understanding of the process physics and methods to control them, poor surface quality and part accuracy, and limitations in fabrication speed or throughput. We
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include 1) developing test methods to assess the occurence and abundance of reactive minerals, like pyrrhotite, found in aggregate and concrete; 2) identifying reactive mineral/aggregate/concrete reactions
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component through visiting guest researchers and intercomparisons with other National Metrology Institutes. References: J. Lehman, C. Yung, N. Tomlin, D. Conklin, M. Stephens, Carbon nanotube-based black
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[email protected] 301.975.6032 Mark R. Stoudt [email protected] 301.975.6025 Description The extreme processing conditions of metal additive manufacturing create inhomogeneous materials that can include
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and the biologics are poorly understood. This research opportunity centers on advancing experimental measurement methods to quantify the structure formed between poly(organophosphazene) polyelectrolytes
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constituent elements, such as H, C, and N (for a general overview see Hoogerheide, D. P., Forsyth, V. T. & Brown, K. A. 2020. Neutron scattering for structural biology. Phys Today73, 36–42). In combination with
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new measurement capabilities, standards, or applications or improve existing methods for reference artifact calibration. For more information, see https://www.nist.gov/pml/sensor-science/dimensional
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. Bandyopadhyay, B. Heer, Additive manufacturing of multi-material structures, Mater. Sci. Eng. R Reports. 129 (2018) 1–16. https://doi.org/10.1016/j.mser.2018.04.001. [2] J. Guo, R. Floyd, S. Lowum, J.-P
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coherence remains a primary obstacle to achieving fault-tolerant quantum computing at a meaningful scale.1 We are examining a variety of constituent materials in superconducting quantum devices to correlate
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[email protected] 303.497.5207 Description https://www.nist.gov/programs-projects/electric-acoustic-spectroscopy-intermolecular-interactions-solution#OnChip NIST’s Material Measurement Laboratory (MML) and