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dc.contributor.authorMatjie, Ratale
dc.contributor.authorBunt, John R.
dc.contributor.authorZhang, Shuai
dc.contributor.authorZhao, Qi
dc.contributor.authorMabuza, Nhlanganiso
dc.identifier.citationMatjie, R. et al. 2016. Tailored surface energy of stainless steel plate coupons to reduce the adhesion of aluminium silicate deposit. Fuel, 181:573-578. []en_US
dc.identifier.issn1873-7153 (Online)
dc.description.abstractFouling in heat exchangers not only reduces heat transfer performance significantly, but also causes considerable pressure drop, resulting in higher pumping requirements. It would be much more desirable if surfaces which are inherently less prone towards fouling could be developed. In this paper, autocatalytic Nickel–Phosphorus–Polytetrafluoroethylene (Ni–P–PTFE) composite coatings and modified diamond-like carbon (DLC) coatings were applied to the coupons of the 316L stainless steel plates. The effects of surface energies of the coatings on the adhesion of aluminium silicate fouling were investigated and the best surface energy for which the fouling adhesion is lowest was obtained. The experimental results show that the coating with the most favourable surface energy reduced the adhesion of aluminium silicate deposit by 97%, compared with uncoated stainless steel plate coupons. The anti-fouling mechanism of the coatings was explained with the extended Deryagin, Landau, Verwey and Overbeek (DLVO) theoryen_US
dc.subjectNi–P–PTFE coatingen_US
dc.subjectDLC coatingen_US
dc.subjectaluminium silicateen_US
dc.subjectstainless steelen_US
dc.subjectsurface energyen_US
dc.titleTailored surface energy of stainless steel plate coupons to reduce the adhesion of aluminium silicate depositen_US
dc.contributor.researchID21166625 - Matjie, Ratale Henry
dc.contributor.researchID20164200 - Bunt, John Reginald

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