Abrasion resistant heat pipe

Patent · Tue Oct 23 04:00:00 EDT 1984

OSTI ID:7260353

Ernst, D M

A specially constructed heat pipe is described for use in fluidized bed combustors. Two distinct coatings are spray coated onto a heat pipe casing constructed of low thermal expansion metal, each coating serving a different purpose. The first coating forms aluminum oxide to prevent hydrogen permeation into the heat pipe casing, and the second coating contains stabilized zirconium oxide to provide abrasion resistance while not substantially affecting the heat transfer characteristics of the system.

• DOE Contract Number: W-31109-ENG-38
• Assignee: Thermacore, Inc., Lancaster, PA (United States)
• Patent Number(s): US 4478275; A
• Application Number: PPN: US 6-516631
• OSTI ID: 7260353
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
COATINGS
COMBUSTORS
CORROSION PROTECTION
DEPOSITION
EMBRITTLEMENT
FLUIDIZED-BED COMBUSTORS
HEAT PIPES
HYDROGEN EMBRITTLEMENT
MECHANICAL PROPERTIES
MITIGATION
OXIDES
OXYGEN COMPOUNDS
PROTECTIVE COATINGS
SPRAY COATING
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
WEAR RESISTANCE
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES