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Refractory multicom...
Refractory multicomponent boron-carbide high entropy oxidation-protective coating for carbon-carbon composites
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- Zhang, Hanzhu, 1991- (författare)
- Luleå tekniska universitet,Materialvetenskap
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- Akhtar, Farid (författare)
- Luleå tekniska universitet,Materialvetenskap
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(creator_code:org_t)
- Elsevier, 2021
- 2021
- Engelska.
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Ingår i: Surface & Coatings Technology. - : Elsevier. - 0257-8972 .- 1879-3347. ; 425
- Relaterad länk:
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https://doi.org/10.1...
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visa fler...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A novel refractory multicomponent boron-carbide coating of 300 nm thickness, HfMoTaTi-BC, was deposited on carbon-carbon composites (CCC). The coating showed a face-centred cubic (FCC) structure of lattice parameter of 0.4429 nm with an average crystallite size of 5 nm. The FCC coating transformed from single-phase solid solution into multiple ceramic carbides and boride phases at 900°C during long-term thermal stability test. The exposure of HEC coated CCC to the flame (2000°C) of liquefied petroleum gas (LPG) torch for 5 minutes revealed that the film had excellent resistance to oxidation and protected the CCC material under extreme aerothermal heating.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Keramteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Ceramics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Kompositmaterial och -teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Composite Science and Engineering (hsv//eng)
Nyckelord
- High-entropy ceramic
- Magnetron sputtering
- Carbon-carbon composite
- Oxidation
- Engineering Materials
- Materialteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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