A novel Bi-processing technique for metal matrix nanocomposites

Ali, Ashraf A.; El-Meniawi, M. A. H.; Khafagi, S.

doi:10.1007/s00170-014-6699-1

Cited by 5 publications

(1 citation statement)

References 32 publications

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“…Carbon nanotubes (CNTs) were invented in 1991, these are hundreds of times stronger than the high-grade carbon steels and have exceptional thermal and electrical properties (Andzelm et al , 2006; Yu and Meyyappan, 2006; Iijima, 1991; Han and Fina, 2011; Liew et al , 2004; Yu et al , 2000; Krishnan et al , 1998; Loos, 2015). Owing to exceptional properties, CNTs can be effectively used as reinforcement materials in composites (Singla et al , 2011; Ali et al , 2014; Park et al , 2013; Ali et al , 2015). A few researchers have enhanced the corrosion resistance of CNTs-based composite coatings (Chen et al , 2005; Praveen et al , 2007).…”

Section: Introductionmentioning

confidence: 99%

Improving the high-temperature oxidation resistance of ASME-SA213-T11 boiler tube steel by plasma spraying with CNT-reinforced alumina coatings

Goyal

Sidhu

Chawla

2018

ACMM

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Purpose This paper aims to discuss that a conventional Al2O3, 1.5 Wt.% carbon nanotubes (CNTs)-Al2O3, 2 Wt.% CNTs-Al2O3 and 4 Wt.% CNTs-Al2O3 composite coatings were deposited with the help of Plasma spray process. Design/methodology/approach To better understand the effect of CNT reinforcement on oxidation resistance, high-temperature oxidation behaviour of conventional Al2O3, 1.5 Wt.% CNTs-Al2O3, 2 Wt.% CNTs-Al2O3 and 4 Wt.% CNTs-Al2O3 composite coatings at 900°C was compared with the performance of the uncoated ASME-SA213-T11 boiler tube steel substrate. Findings The results showed that the CNT-reinforced alumina coatings exhibited better oxidation resistance and thermal stability than uncoated ASME-SA213-T11 boiler tube steel. The coated steel substrates had a lower mass gain rate than the substrate after different oxidation times. Originality/value Limited literature is available where the CNT have been reinforced into the composite alloy powders and has been thermally spray-deposited for various surface engineering applications. This research showed that with the increase in the percentage of CNTs into the alloy powder mixture, there is a significant reduction in weight gain and hence higher resistance to oxidation.

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