A flexible skin material with switchable wettability for trans-medium vehicles.
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| Title: | A flexible skin material with switchable wettability for trans-medium vehicles. |
|---|---|
| Authors: | Luo, Jianqiao1,2 (AUTHOR), Cheng, Zhongjun3 (AUTHOR), Yu, Ning1,2 (AUTHOR), Tian, Yunbo1,2 (AUTHOR), Meng, Junhui1,2 (AUTHOR) mengjh@bit.edu.cn |
| Source: | International Journal of Smart & Nano Materials. Jun2025, Vol. 16 Issue 2, p419-442. 24p. |
| Subjects: | Reversible phase transitions, Shape memory alloys, Elastic modulus, Perfluorooctanoic acid, Surface coatings |
| Abstract: | Trans-medium vehicles can achieve both load reduction and trajectory stabilization through the adaptive adjustment of head configurations and surface wettabilities, necessitating a flexible skin material with switchable wettability. However, conventional deformable materials often exhibit insufficient load-bearing capacity under impact loads, and their deformation can cause the failure or delamination of surface coatings, leading to undesirable changes in wettability. In this paper, shape memory polymer (SMP) is utilized as the substrate of the flexible skin material, and is reinforced with S-shaped shape memory alloy (SMA) wires to overcome inherent limitations in strength and stiffness. A smart, responsive coating with switchable wettability is constructed by spraying perfluorooctanoic acid (PFOA)-grafted SiO2 nanoparticles onto the SMP substrate, thereby mitigating the adverse effects of substrate deformation on the performance of surface coatings. Experimental results demonstrate that SMA reinforcement enhances the material's elastic modulus and ultimate strength to 2.32 GPa and 31.6 MPa, respectively, at room temperature, and the material can achieve a maximum deformation rate of 15% at 80 ℃. The PFOA-grafted SiO2 coating enables reversible wettability transitions between superhydrophobic and superhydrophilic states, even after the substrate undergoes repeated cyclic deformation. This paper provides a valuable reference for the development of next-generation trans-medium vehicles. [ABSTRACT FROM AUTHOR] |
| Copyright of International Journal of Smart & Nano Materials is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 185785214 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: A flexible skin material with switchable wettability for trans-medium vehicles. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Luo%2C+Jianqiao%22">Luo, Jianqiao</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Zhongjun%22">Cheng, Zhongjun</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Ning%22">Yu, Ning</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tian%2C+Yunbo%22">Tian, Yunbo</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meng%2C+Junhui%22">Meng, Junhui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> mengjh@bit.edu.cn</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Smart+%26+Nano+Materials%22">International Journal of Smart & Nano Materials</searchLink>. Jun2025, Vol. 16 Issue 2, p419-442. 24p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Reversible+phase+transitions%22">Reversible phase transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Shape+memory+alloys%22">Shape memory alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Elastic+modulus%22">Elastic modulus</searchLink><br /><searchLink fieldCode="DE" term="%22Perfluorooctanoic+acid%22">Perfluorooctanoic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+coatings%22">Surface coatings</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Trans-medium vehicles can achieve both load reduction and trajectory stabilization through the adaptive adjustment of head configurations and surface wettabilities, necessitating a flexible skin material with switchable wettability. However, conventional deformable materials often exhibit insufficient load-bearing capacity under impact loads, and their deformation can cause the failure or delamination of surface coatings, leading to undesirable changes in wettability. In this paper, shape memory polymer (SMP) is utilized as the substrate of the flexible skin material, and is reinforced with S-shaped shape memory alloy (SMA) wires to overcome inherent limitations in strength and stiffness. A smart, responsive coating with switchable wettability is constructed by spraying perfluorooctanoic acid (PFOA)-grafted SiO2 nanoparticles onto the SMP substrate, thereby mitigating the adverse effects of substrate deformation on the performance of surface coatings. Experimental results demonstrate that SMA reinforcement enhances the material's elastic modulus and ultimate strength to 2.32 GPa and 31.6 MPa, respectively, at room temperature, and the material can achieve a maximum deformation rate of 15% at 80 ℃. The PFOA-grafted SiO2 coating enables reversible wettability transitions between superhydrophobic and superhydrophilic states, even after the substrate undergoes repeated cyclic deformation. This paper provides a valuable reference for the development of next-generation trans-medium vehicles. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of International Journal of Smart & Nano Materials is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1080/19475411.2025.2504442 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 24 StartPage: 419 Subjects: – SubjectFull: Reversible phase transitions Type: general – SubjectFull: Shape memory alloys Type: general – SubjectFull: Elastic modulus Type: general – SubjectFull: Perfluorooctanoic acid Type: general – SubjectFull: Surface coatings Type: general Titles: – TitleFull: A flexible skin material with switchable wettability for trans-medium vehicles. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Luo, Jianqiao – PersonEntity: Name: NameFull: Cheng, Zhongjun – PersonEntity: Name: NameFull: Yu, Ning – PersonEntity: Name: NameFull: Tian, Yunbo – PersonEntity: Name: NameFull: Meng, Junhui IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 06 Text: Jun2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 19475411 Numbering: – Type: volume Value: 16 – Type: issue Value: 2 Titles: – TitleFull: International Journal of Smart & Nano Materials Type: main |
| ResultId | 1 |
