An experience of using fluoropolymer materials in aviation engineering

Beider, É. Ya.; Donskoi, A. A.; Zhelezina, G.F.; Кондрашов, Э К; Sytyi, Yu. V.; Surnin, E. G.

doi:10.1134/s1070363209030372

Cited by 12 publications

(2 citation statements)

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“…Recently, fluoro-elastomers have gained importance in aviation applications. 13 The design of even elastomeric components of aircraft need to be based on the "Safe Fail" philosophy, denying catastrophic failures. Toward the same self-sealing elastomers are reported, which is also a form of self-healing.…”

Section: Introductionmentioning

confidence: 99%

“…Hoses, sealing rings, and fuel tanks are susceptible to failure due to the combined effects of temperature fatigue, embrittlement, and weathering, thereby necessitating the usage of materials other than conventional elastomers, particularly nitrile rubber, which offers oil and fuel resistance. Recently, fluoro‐elastomers have gained importance in aviation applications 13 . The design of even elastomeric components of aircraft need to be based on the “Safe Fail” philosophy, denying catastrophic failures.…”

Section: Introductionmentioning

confidence: 99%

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Self‐healing polymers for aviation applications and their impact on circular economy

Pandey,

Mishra,

Ghosh

et al. 2024

Polymer Engineering & Sci

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Polymers have swiftly replaced conventional metallic materials in aviation due to their lightweight and easy processability. Usages of polymers are presently mostly limited to non‐critical components. Flight safety is paramount in aviation and overrides all other factors. The aviation industry is averse to the usage of polymeric materials in critical component applications owing to the nature of failure being catastrophic. The review has covered various polymeric component failures and their root cause reasons. To overcome the inherent weakness in polymers currently used, a strategy to mimic nature is being explored by researchers. Self‐healing polymers can overtake metals if coupled with safe fail technology. Such materials have additional advantages in terms of enhanced longevity and ultimate life cycle. This review critically analyzed various factors driving research and development of self‐healing material for aviation applications. Various extrinsic and intrinsic self‐healing materials have been reviewed in the present work. Composites with an extrinsic self‐healing mechanism possess good healability and strength and can potentially replace current materials. Further, candidate polymeric materials with intrinsic self‐healing capability for the aviation field are extensively reviewed. Various aviation‐grade polymers like epoxy, Poly(methyl methacrylate), polycarbonate, and elastomeric materials with possible chemistries of intrinsic healing like Diel‐Alder reaction, Shape memory assisted self‐healing and covalently adaptable networks have been critically examined. Authors believe that extrinsic self‐healing technology is mature enough for use in the secondary structure of aircraft. At the same time, present technologies of intrinsic materials are not mature enough for flight safety reasons in aircraft; however, they are candidate materials for UAVs. Fast‐growing aviation field, coupled with the entry of UAVs, calls for environmentally sustainable material support. Therefore, this review explores materials within the sphere of high mechanical properties coupled with a low environmental impact.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%