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Title: Reusable crucible for containing corrosive liquids

A reusable, non-wetting, corrosion-resistant material suitable for containment of corrosive liquids is formed of a tantalum or tantalum alloy substrate that is permeated with carbon atoms. The substrate is carburized to form surface layers of TaC and Ta.sub.2 C, and then is heated at high temperature under vacuum until the carbon atoms in the carbide layers diffuse throughout the substrate to form a solid solution of carbon atoms randomly interspersed in the tantalum or tantalum alloy lattice.
  1. (Livermore, CA)
Issue Date:
OSTI Identifier:
United States of America as represented by United States (Washington, DC) LLNL
Patent Number(s):
US 5383981
Contract Number:
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Country of Publication:
United States
reusable; crucible; containing; corrosive; liquids; non-wetting; corrosion-resistant; material; suitable; containment; formed; tantalum; alloy; substrate; permeated; carbon; atoms; carburized; form; surface; layers; tac; heated; temperature; vacuum; carbide; diffuse; throughout; solid; solution; randomly; interspersed; lattice; resistant material; material suitable; tantalum alloy; carbon atoms; surface layer; solid solution; carbon atom; surface layers; alloy substrate; corrosion-resistant material; carbide layers; corrosive liquids; /148/420/