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http://dx.doi.org/10.6108/KSPE.2017.21.1.001

Infrared Emissivity of Stainless Steel Coated with Composites of Copper Particle and m-Aramid Resin  

Oh, Chorong (Division of Semiconductor and Chemical Engineering, Chonbuk National University)
Kim, Sunmi (Aerospace Engineering Department, Chonbuk National University)
Park, Gyusang (Aerospace Engineering Department, Chonbuk National University)
Choi, Seongman (Aerospace Engineering Department, Chonbuk National University)
Lee, Dai Soo (Division of Semiconductor and Chemical Engineering, Chonbuk National University)
Myoung, Rhoshin (Aerospace Engineering Department, Gyeongsang National University)
Kim, Woncheol (Agency for Defense Development)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.21, no.1, 2017 , pp. 1-7 More about this Journal
Abstract
As a part of studies to lower the infrared (IR) emissivity from the surface of exhaust nozzle in the turbo jet engine, stainless steel plate was coated with copper particle/meta-aramid resin composites and the IR emissivity of the plate were investigated. Binders of filler particles based on synthetic polymers generally undergo thermal decomposition before $300^{\circ}C$. It was found that the meta aramid resin was thermally stable after the test at $320^{\circ}C$, confirming the excellent thermal stability. Contents of copper particles in the composites were varied from 0 to 70% by volume. It was observed that the copper particle/meta aramid resin composites showed good adhesion after the tests at $320^{\circ}C$. The specimen coated with the composite containing 50 vol% of copper particles showed the lowest IR emissivity, 0.6, at $320^{\circ}C$.
Keywords
Jet Engine; Exhaust Nozzle; Infrared Emissivity; Meta Aramid Resin; Copper Particle;
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