Forty shades of black: A benchmark of high temperature sprayable black coatings applied on Haynes 230

Simon Caron; Jorge Garrido; Eneko Setien; Ridha Harzallah; Luka Noþ; Ivan Jerman; Marc Röger; Florian Sutter

doi:10.1063/5.0028773

Forty shades of black: A benchmark of high temperature sprayable black coatings applied on Haynes 230

Simon Caron^*
, Jorge Garrido
, Eneko Setien
, Ridha Harzallah
, Luka Noþ
, Ivan Jerman
, Marc Röger
, Florian Sutter

^*Corresponding author for this work

CIEMAT
KTH Royal Institute of Technology
John Cockerill
National Institute of Chemistry Ljubljana

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

14 Citations (Scopus)

Abstract

The solar receiver coating opto-thermal efficiency has a significant impact on a central receiver system thermal final system efficiency. The development of durable high solar absorptance coatings with simple application process and minimal thermal treatment can directly improve the receiver efficiency, thus reducing the levelized cost of electricity. During the past years, innovative receiver coatings for solar thermal tower plants have been developed on various substrates and tested under isothermal load at different temperature levels. In this paper, eight commercial black coating formulations are sprayed on Haynes 230 metal coupons. Solar absorptance and thermal emittance are monitored before and after isothermal exposure. Mass deviations are also measured to pinpoint any oxidation or coating outgassing. Isothermal testing is performed at 700, 750 and 800 °C in a muffle furnace for 1000 hours. After 1000 hours isothermal exposure, Coterill 750 leads the benchmark in front of Pyromark 2500, while other black coatings degrade optically. Uncoated samples oxidize significantly and appear darker than some aged black coatings.

Original language	English
Title of host publication	SOLARPACES 2019
Subtitle of host publication	International Conference on Concentrating Solar Power and Chemical Energy Systems
Editors	Christoph Richter
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735440371
DOIs	https://doi.org/10.1063/5.0028773
Publication status	Published - 11 Dec 2020
Externally published	Yes
Event	2019 International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2019 - Daegu, Korea, Republic of Duration: 1 Oct 2019 → 4 Oct 2019

Publication series

Name	AIP Conference Proceedings
Volume	2303
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	2019 International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2019
Country/Territory	Korea, Republic of
City	Daegu
Period	1/10/19 → 4/10/19

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Access to Document

10.1063/5.0028773

Forty shades of black A benchmarkLicence: Unspecified

Cite this

Caron, S., Garrido, J., Setien, E., Harzallah, R., Noþ, L., Jerman, I., Röger, M., & Sutter, F. (2020). Forty shades of black: A benchmark of high temperature sprayable black coatings applied on Haynes 230. In C. Richter (Ed.), SOLARPACES 2019: International Conference on Concentrating Solar Power and Chemical Energy Systems Article 0028773 (AIP Conference Proceedings; Vol. 2303). American Institute of Physics Inc.. https://doi.org/10.1063/5.0028773

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title = "Forty shades of black: A benchmark of high temperature sprayable black coatings applied on Haynes 230",

abstract = "The solar receiver coating opto-thermal efficiency has a significant impact on a central receiver system thermal final system efficiency. The development of durable high solar absorptance coatings with simple application process and minimal thermal treatment can directly improve the receiver efficiency, thus reducing the levelized cost of electricity. During the past years, innovative receiver coatings for solar thermal tower plants have been developed on various substrates and tested under isothermal load at different temperature levels. In this paper, eight commercial black coating formulations are sprayed on Haynes 230 metal coupons. Solar absorptance and thermal emittance are monitored before and after isothermal exposure. Mass deviations are also measured to pinpoint any oxidation or coating outgassing. Isothermal testing is performed at 700, 750 and 800 °C in a muffle furnace for 1000 hours. After 1000 hours isothermal exposure, Coterill 750 leads the benchmark in front of Pyromark 2500, while other black coatings degrade optically. Uncoated samples oxidize significantly and appear darker than some aged black coatings.",

author = "Simon Caron and Jorge Garrido and Eneko Setien and Ridha Harzallah and Luka No{\th} and Ivan Jerman and Marc R{\"o}ger and Florian Sutter",

note = "Publisher Copyright: {\textcopyright} 2020 American Institute of Physics Inc.. All rights reserved.; 2019 International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2019 ; Conference date: 01-10-2019 Through 04-10-2019",

year = "2020",

month = dec,

day = "11",

doi = "10.1063/5.0028773",

language = "English",

series = "AIP Conference Proceedings",

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Caron, S, Garrido, J, Setien, E, Harzallah, R, Noþ, L, Jerman, I, Röger, M & Sutter, F 2020, Forty shades of black: A benchmark of high temperature sprayable black coatings applied on Haynes 230. in C Richter (ed.), SOLARPACES 2019: International Conference on Concentrating Solar Power and Chemical Energy Systems., 0028773, AIP Conference Proceedings, vol. 2303, American Institute of Physics Inc., 2019 International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2019, Daegu, Korea, Republic of, 1/10/19. https://doi.org/10.1063/5.0028773

Forty shades of black: A benchmark of high temperature sprayable black coatings applied on Haynes 230. / Caron, Simon; Garrido, Jorge; Setien, Eneko et al.
SOLARPACES 2019: International Conference on Concentrating Solar Power and Chemical Energy Systems. ed. / Christoph Richter. American Institute of Physics Inc., 2020. 0028773 (AIP Conference Proceedings; Vol. 2303).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

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T2 - 2019 International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2019

AU - Caron, Simon

AU - Garrido, Jorge

AU - Setien, Eneko

AU - Harzallah, Ridha

AU - Noþ, Luka

AU - Jerman, Ivan

AU - Röger, Marc

AU - Sutter, Florian

PY - 2020/12/11

Y1 - 2020/12/11

N2 - The solar receiver coating opto-thermal efficiency has a significant impact on a central receiver system thermal final system efficiency. The development of durable high solar absorptance coatings with simple application process and minimal thermal treatment can directly improve the receiver efficiency, thus reducing the levelized cost of electricity. During the past years, innovative receiver coatings for solar thermal tower plants have been developed on various substrates and tested under isothermal load at different temperature levels. In this paper, eight commercial black coating formulations are sprayed on Haynes 230 metal coupons. Solar absorptance and thermal emittance are monitored before and after isothermal exposure. Mass deviations are also measured to pinpoint any oxidation or coating outgassing. Isothermal testing is performed at 700, 750 and 800 °C in a muffle furnace for 1000 hours. After 1000 hours isothermal exposure, Coterill 750 leads the benchmark in front of Pyromark 2500, while other black coatings degrade optically. Uncoated samples oxidize significantly and appear darker than some aged black coatings.

AB - The solar receiver coating opto-thermal efficiency has a significant impact on a central receiver system thermal final system efficiency. The development of durable high solar absorptance coatings with simple application process and minimal thermal treatment can directly improve the receiver efficiency, thus reducing the levelized cost of electricity. During the past years, innovative receiver coatings for solar thermal tower plants have been developed on various substrates and tested under isothermal load at different temperature levels. In this paper, eight commercial black coating formulations are sprayed on Haynes 230 metal coupons. Solar absorptance and thermal emittance are monitored before and after isothermal exposure. Mass deviations are also measured to pinpoint any oxidation or coating outgassing. Isothermal testing is performed at 700, 750 and 800 °C in a muffle furnace for 1000 hours. After 1000 hours isothermal exposure, Coterill 750 leads the benchmark in front of Pyromark 2500, while other black coatings degrade optically. Uncoated samples oxidize significantly and appear darker than some aged black coatings.

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ER -

Caron S, Garrido J, Setien E, Harzallah R, Noþ L, Jerman I et al. Forty shades of black: A benchmark of high temperature sprayable black coatings applied on Haynes 230. In Richter C, editor, SOLARPACES 2019: International Conference on Concentrating Solar Power and Chemical Energy Systems. American Institute of Physics Inc. 2020. 0028773. (AIP Conference Proceedings). doi: 10.1063/5.0028773

Forty shades of black: A benchmark of high temperature sprayable black coatings applied on Haynes 230

Abstract

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UN SDGs

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