Improved silicon nitride for advanced heat engines
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Improved silicon nitride for advanced heat engines

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Published by National Aeronautics and Space Administration, National Technical Information Center, distributor in [Washington, DC], [Springfield, Va .
Written in English

Subjects:

  • Ceramics.,
  • Engine parts.,
  • Fabrication.,
  • Optimization.,
  • Silicon nitrides.

Book details:

Edition Notes

StatementHun C. Yeh and Ho T. Fang.
SeriesNASA contractor report -- 179525., NASA contractor report -- NASA CR-179525.
ContributionsFang, H. T., United States. National Aeronautics and Space Administration.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL15407476M

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@article{osti_, title = {Development of microwave processing of silicon nitride components for advanced heat engine applications -- Microwave annealing of silicon nitride with high additive contents. CRADA final report for CRADA Number ORNL}, author = {Tiegs, T.N.}, abstractNote = {The initial work on microwave annealing of dense silicon nitride showed enhanced grain growth and. @article{osti_, title = {Effects of powder characteristics on injection molding and burnout cracking}, author = {Bandyopadhyay, G. and French, K.W.}, abstractNote = {Silicon nitride particle size and size distributions were varied widely to determine their effects on burnout cracking of injection-molded test parts containing thick and thin sections. The use of self-reinforcement by larger elongated grains in silicon nitride ceramics requires judicious control of the microstructure to achieve high steady-state toughness and high fracture strength. S.M. Wiederhorn and N.J. Tighe, “Application of Proof Testing to Silicon Nitride,” pp. in Workshop on Ceramics for Advanced Heat Engines, ERDA Division of Conservation Research and Technology, Orlando, Florida (January 24–26, ). CONF Google ScholarCited by:

Opportunities for Enhancing the Thermal Conductivity of SiC and Si3N4 Ceramics Through Improved Processing Chapter in Ceramic Engineering and Science Proceedings 16(4) - · . This is the final technical report for the program entitled "Improved Silicon Carbide for Advanced Heat Engines" and includes the work performed during the period February 12, to DecemberIi, The program was conducted for the National Aeronautics and SpaceAdministration (NASA) under contract numberNAS This work presents the results of studies on the thermal and electrical properties of sintered silicon nitride to investigate the effects of non-oxide additives. With regard to electrical transport properties, a high electrical resistivity of 10 14 ∼ 10 15 Ωcm at K was observed with Si 3 N 4 happylifekennel.com by: 5. Aug 29,  · The purpose of joining, Phase 2 was to develop joining technologies for HIP`ed Si{sub 3}N{sub 4} with 4wt% Y{sub 2}O{sub 3} (NCX) and for a siliconized SiC (NT) for various geometries including: butt joins, curved joins and shaft to disk joins. In addition, more extensive mechanical characterization of silicon nitride joins to enhance the predictive capabilities of the Cited by: 6.

Silicon Nitride products of KYOCERA. KYOCERA is the global leading manufacturer of superior precision Fine Ceramics (Advanced Ceramics) products. The goals of this program are to develop and demonstrate significant improvements in processing methods, process controls, and nondestructive evaluation (NDE) which can be commercially implemented to produce high-reliability silicon nitride components for advanced heat engine applications at temperatures to °happylifekennel.com by: 3. How to Cite. Crosbie, G. M. () Preparation of Silicon Nitride Powders, in Proceedings of the 13th Automotive Materials Conference: Ceramic Engineering and Science. Aluminium Nitride. Aluminum nitride is then able to cluster or precipitate during slow heating to influence the recrystallization process to give high r-values. Hirotaro Mori, in Novel Materials Processing by Advanced Electromagnetic Energy Sources, However, its bulk properties are indifferent compared with silicon nitride. As a.