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Institution

National Aerospace Laboratories

FacilityBengaluru, India
About: National Aerospace Laboratories is a facility organization based out in Bengaluru, India. It is known for research contribution in the topics: Coating & Corrosion. The organization has 1838 authors who have published 2349 publications receiving 36888 citations.


Papers
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Journal ArticleDOI
TL;DR: In this paper, the performance of sol-gel coating with and without surface silanization was evaluated using electrochemical techniques and neutral salt spray test, the morphology and composition of the coatings were examined by FESEM and EDX techniques before and after corrosion.
Abstract: Corrosion protection behavior of sol–gel coating doped with cerium nitrate was investigated on AA2024. The sol–gel layer composed of methyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane and colloidal silica. The performance of the sol–gel coating with and without surface silanization was evaluated using electrochemical techniques and neutral salt spray test. The morphology and composition of the coatings were examined by FESEM and EDX techniques before and after corrosion. Electrochemical studies indicated that cerium doped sol–gel coating with the additional APTEOS layer provided better corrosion resistance even after 168 h of exposure among all the developed coatings. Surface silanization provided additional protection to the metal surface.

33 citations

Journal ArticleDOI
TL;DR: In this article, the authors describe the usage of Ar + O2 plasma treatment for the preparation of super-hydrophobic Kapton® surfaces using field emission scanning electron microscopy and atomic force microscopy.

33 citations

Journal ArticleDOI
TL;DR: In this paper, the structural, magnetic and microwave properties of screen printed thick films of BaxSr1-XFe12O19 (BSF) were reported for various characterizations such as XRD, SEM, FT-IR, MicroRaman, and VSM and microwave characterization.

33 citations

Journal ArticleDOI
TL;DR: Tantalum carbide (TaC) based tandem coatings for selective absorption of solar radiation were fabricated by magnetron sputtering technique in this article, where the composition and thicknesses of the individual component layers have been optimized by adjusting the sputtering process parameters.

32 citations

Journal ArticleDOI
TL;DR: The thermopower and electrical resistance of stoichiometric Fe3O4 crystals have been measured up to pressures of 6 GPa over the temperature range of 80-160 K as mentioned in this paper.
Abstract: The thermopower (TEP) and electrical resistance of stoichiometric Fe3O4 crystals have been measured up to pressures of 6 GPa over the temperature range of 80-160 K. The resistance decreases markedly with increasing pressure below the Verwey transition temperature TV and TV decreases linearly with increasing pressure. The magnitude of the TEP as well as the discontinuity at TV decrease with increasing pressure. The thermopower of Fe3O4 shows an interesting upswing at low temperatures (lt;100 K) which is affected significantly by pressure.

32 citations


Authors

Showing all 1850 results

NameH-indexPapersCitations
Harish C. Barshilia462366825
K.S. Rajam42834765
Kozo Fujii394115845
Parthasarathi Bera391365329
R.P.S. Chakradhar361664423
T. N. Guru Row363095186
Takashi Ishikawa361545019
Henk A. P. Blom341685992
S. Ranganathan332115660
S.T. Aruna331014954
Arun M. Umarji332073582
Vinod K. Gaur33924003
Keisuke Asai313503914
K. J. Vinoy302403423
Gangan Prathap302413466
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202310
202216
2021143
2020100
201996
2018119