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Title: The chemistry of boron and titanium diboride formation: Decomposition of TiCl{sub 4} and BCl{sub 3} in hydrogen and helium

Technical Report ·
DOI:https://doi.org/10.2172/168691· OSTI ID:168691

Measurements of the decomposition of mixtures of boron trichloride (BCl{sub 3}), titanium tetrachloride (TiCl{sub 4}), and hydrogen at elevated temperatures are presented. The decomposition of BCl{sub 3} with hydrogen appears to drive the chemistry in this system. The species depositing boron on the surface contains at least 2 chlorine atoms. Once deposited, the surface chlorine is removed by reaction with hydrogen to form HCl and, presumably, surface B-H bonds.

Research Organization:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States); Department of Defense, Washington, DC (United States)
DOE Contract Number:
AC04-94AL85000
OSTI ID:
168691
Report Number(s):
SAND-96-8449; ON: DE96003930
Resource Relation:
Other Information: PBD: Dec 1995
Country of Publication:
United States
Language:
English