Neutron-scattering studies of nitride, oxide, and phosphate ceramics and their relationship with molecular-dynamics simulations of high-temperature properties

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Currently, the strength and reliability of nitride and carbide ceramics are not sufficient to meet the demands of high-tech applications such as heat engines. A large R and D effort is needed to advance the field of ceramic science and engineering. The strength of ceramics depends on both the nature of atomic bonding such as covalency versus ionicity and the microstructure such as flaws and stress within the materials. The length scale of these influential factors ranges from 0.1 to 5,000 nm, thus presenting a challenge to experimentalists for a complete, quantitative characterization. The method of neutron scattering provides distinct ... continued below

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13 p.

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Loong, C.K. November 1, 1997.

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  • Loong, C.K. Argonne National Lab., IL (United States). Intense Pulsed Neutron Source Div.

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Currently, the strength and reliability of nitride and carbide ceramics are not sufficient to meet the demands of high-tech applications such as heat engines. A large R and D effort is needed to advance the field of ceramic science and engineering. The strength of ceramics depends on both the nature of atomic bonding such as covalency versus ionicity and the microstructure such as flaws and stress within the materials. The length scale of these influential factors ranges from 0.1 to 5,000 nm, thus presenting a challenge to experimentalists for a complete, quantitative characterization. The method of neutron scattering provides distinct advantages. In this paper, the authors present the neutron-scattering results of several important nitride oxide, and phosphate ceramics and point out the connections between the neutron data and computer simulations towards the goal of designing high-temperature materials.

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13 p.

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INIS; OSTI as DE98050523

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  • Computer aided design of high temperature materials conference, Santa Fe, NM (United States), 30 Jul - 2 Aug 1997

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  • Other: DE98050523
  • Report No.: ANL/IPNS/CP--94799
  • Report No.: CONF-9707128--
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 554849
  • Archival Resource Key: ark:/67531/metadc694945

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  • November 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 5:13 p.m.

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Loong, C.K. Neutron-scattering studies of nitride, oxide, and phosphate ceramics and their relationship with molecular-dynamics simulations of high-temperature properties, article, November 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc694945/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.