New Catalytic Routes to Polysilazane Precursors to Silicon Nitride and Related Systems

Abstract

The project objectives are to develop new, low temperature, transition metal catalyzed routes to polysilazanes and related preceramic polymers with controlled rheological properties Synthetic routes to silicon carbide precursor polymers are also being developed. In addition, we are delineating the effects of precursor structure on ceramic product composition (silicon nitride vs silicon carbide vs carbon) as a function of pyrolysis conditions. The utility of using polysilazane ceramic precursors for forming silicon nitride and silicon-carbide nitride fibers and coatings is being explored.

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Document Details

Document Type
Technical Report
Publication Date
Jul 29, 1990
Accession Number
ADA225057

Entities

People

  • Richard M Laine

Organizations

  • University of Washington

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Alcohols
  • Ceramic Materials
  • Chemical Analysis
  • Chemical Reaction Properties
  • Chemical Reactions
  • Chemical Synthesis
  • Chemistry
  • Material Degradation Processes
  • Materials
  • Materials Laboratories
  • Materials Processing
  • Materials Science
  • Organic Chemistry
  • Silicon Carbide
  • Silicon Compounds

Readers

  • Polymer Science and Technology
  • Powder metallurgy of Titanium alloys.