Porous Fiber Metal Thermal Barrier Materials PUBLIC ACCESS

[+] Author Affiliations
R. P. Tolokan

Brunswick Corporation, DeLand, FL

Paper No. 82-GT-105, pp. V005T11A010; 6 pages
  • ASME 1982 International Gas Turbine Conference and Exhibit
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; Process Industries; Technology Resources; General
  • London, England, April 18–22, 1982
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7960-3
  • Copyright © 1982 by ASME


Fiber metal thermal barriers are used where low thermal conductivity and mechanical integrity are required. Fiber metal materials have good insulating characteristics at low densities; product thermal conductivity is influenced more by numerous air filled pores than by heat flow through the metal fiber skeleton. Fiber metal thermal barriers are produced as randomly oriented fiber sheets in both sintered and unsintered form. Product properties are controlled by choice of alloy, fiber diameter, and porosity (or density). Fiber metal thermal barriers combine insulating properties, mechanical strength and elasticity, oxidation resistance, and temperature capability to 2000°F. Applications include ceramic coating substrates, insulating abradable seals, space shuttle fuel lines and engine components.

Copyright © 1982 by ASME
Topics: Metals , Fibers
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