FAILURE ANALYSIS OF ALUMINIUM AND ZINC HEAT REFLECTOR IN TIMBER DRY KILN

Authors

  • Sulistioso Giat S Center For Technology of Nuclear Industry Materials (PTBIN)-BATAN Kawasan Puspiptek Serpong 15314, Tangerang, Indonesia.
  • A. Sitompul Center For Technology of Nuclear Industry Materials (PTBIN)-BATAN Kawasan Puspiptek Serpong 15314, Tangerang, Indonesia.
  • M. N. Indro Department of Physics, IPB Jl. Meranti, Darmaga, Bogor 16680, Indonesia.
  • A. Rahmatika Department of Physics, IPB Jl. Meranti, Darmaga, Bogor 16680, Indonesia.

DOI:

https://doi.org/10.17146/jsmi.2012.14.1.4642

Keywords:

Corrosion, Failure analysis, Al-Zn coating, Timber dry kiln

Abstract

FAILUREANALYSIS OFALUMINIUMAND ZINC HEATREFLECTOR IN TIMBER DRYKILN.
Aluminium and Zinc (Al-Zn) alloy coated steel sheet (JIS G3141) was used as a heat reflector in timber dry
kiln. After six months continuous service at 1100C in moist condition, the heat reflector is corroded. Failure
analysis method was used to analyze this corrosion phenomena. Macroscopic and microscopic examination
with some characterization have been performed to determine the elemental composition and corrosion products.
The elemental composition of corroded heat reflector that were detected by SEM-EDS are sulphur, chloride,
calcium, and potassium. XRD analysis revealed the zinc aluminium carbonate hydroxide hydrate
(Zn6Al2
(OH)16CO3
.4H2O) known as black rust staining and iron oxide (Fe3O4
), as corrosion products.
Environmental condition in timber dry kiln with the existence of acid and alkaline elements cause the corrosion
process occur. Those elements come from the dried timber and steam that adhered on the heat reflector surface
attacked the Al-Zn coating and base metal. Humidity and high temperature in timber dry kiln environment
increase the corrosion rate of the heat reflector.

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Published

31-10-2012

How to Cite

Sulistioso Giat S, A. Sitompul, M. N. Indro, & A. Rahmatika. (2012). FAILURE ANALYSIS OF ALUMINIUM AND ZINC HEAT REFLECTOR IN TIMBER DRY KILN. Jurnal Sains Materi Indonesia, 14(1), 56–61. https://doi.org/10.17146/jsmi.2012.14.1.4642

Issue

Vol. 14 No. 1 (2012): Jurnal Sains dan Materi Indonesia

Section

Articles

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