Abrasion resistant heat pipe

Details Abrasion resistant heat pipe Abrasion resistant heat pipe

1983-07-25

1984-10-23

Davis, Jr., Albert W.

Heat exchange

With coated, roughened or polished surface

291573H, 165 47, 165180, 16510427, F28D 1500, F28F 1906

Patent

active

044782756

ABSTRACT:
A specially constructed heat pipe 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.

REFERENCES:
patent: 4082575 (1978-04-01), Eastman
patent: 4380154 (1983-04-01), Eastman

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