High temperature structural insulating material
Abstract
A high temperature structural insulating material useful as a liner for cylinders of high temperature engines through the favorable combination of high service temperature (above about 800.degree. C.), low thermal conductivity (below about 0.2 W/m.degree. C.), and high compressive strength (above about 250 psi). The insulating material is produced by selecting hollow ceramic beads with a softening temperature above about 800.degree. C., a diameter within the range of 20-200 .mu.m, and a wall thickness in the range of about 2-4 .mu.m; compacting the beads and a compatible silicate binder composition under pressure and sintering conditions to provide the desired structural form with the structure having a closed-cell, compact array of bonded beads.
- Inventors:
-
- Munster, IN
- Issue Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 875190
- Patent Number(s):
- H000200
- Application Number:
- 06/625324
- Assignee:
- United States of America as represented by United States (Washington, DC)
- DOE Contract Number:
- W-31109-ENG-38
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 1984 Jun 27
- Country of Publication:
- United States
- Language:
- English
- Subject:
- temperature; structural; insulating; material; useful; liner; cylinders; engines; favorable; combination; service; 800; degree; thermal; conductivity; below; compressive; strength; psi; produced; selecting; hollow; ceramic; beads; softening; diameter; range; wall; thickness; compacting; compatible; silicate; binder; composition; pressure; sintering; conditions; provide; desired; form; structure; closed-cell; compact; array; bonded; ceramic beads; material useful; softening temperature; compressive strength; wall thickness; insulating material; thermal conductivity; temperature structural; hollow ceramic; selecting hollow; structural insulating; compact array; service temperature; temperature engine; structural form; statutory invention registration; /428/264/501/
Citation Formats
Chen, Wayne Y. High temperature structural insulating material. United States: N. p., 1987.
Web.
Chen, Wayne Y. High temperature structural insulating material. United States.
Chen, Wayne Y. Thu .
"High temperature structural insulating material". United States. https://www.osti.gov/servlets/purl/875190.
@article{osti_875190,
title = {High temperature structural insulating material},
author = {Chen, Wayne Y.},
abstractNote = {A high temperature structural insulating material useful as a liner for cylinders of high temperature engines through the favorable combination of high service temperature (above about 800.degree. C.), low thermal conductivity (below about 0.2 W/m.degree. C.), and high compressive strength (above about 250 psi). The insulating material is produced by selecting hollow ceramic beads with a softening temperature above about 800.degree. C., a diameter within the range of 20-200 .mu.m, and a wall thickness in the range of about 2-4 .mu.m; compacting the beads and a compatible silicate binder composition under pressure and sintering conditions to provide the desired structural form with the structure having a closed-cell, compact array of bonded beads.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 1987},
month = {Thu Jan 01 00:00:00 EST 1987}
}