Journal
TRIBOLOGY INTERNATIONAL
Volume 122, Issue -, Pages 114-118Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2018.02.032
Keywords
Superhydrophobic; Water repellent; Chemical etching; Self-cleaning
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Funding
- Science & Engineering Research Board, Department of Science and Technology, Government of India [YSS/2015/000036]
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In this work, by employing chemical etching technique with mixture of hydrochloric and nitric acids, followed by treatment with hexadecyltrimethoxysilane, superhydrophobic aluminum surfaces were synthesized. The surface morphology analysis reveals the presence of rough rectangular pits like microstructures on coated aluminium surface. Superhydrophobicity with water static contact angle of 162.0 +/- 4.2 degrees and sliding angle of 4 +/- 0.5 degrees is achieved. Additionally coating shows the excellent mechanical, chemical, and thermal stability. Coating asserts the excellent self-cleaning and water-repellent properties.
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