Self-healing mechanisms for 3D-printed polymeric structures: from lab to reality

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dc.contributor.authorAlmutairi, Mohammed Dukhi
dc.contributor.authorAria, Adrianus Indrat
dc.contributor.authorThakur, Vijay Kumar
dc.contributor.authorKhan, Muhammad A.
dc.date.accessioned2020-07-22T14:26:34Z
dc.date.available2020-07-22T14:26:34Z
dc.date.issued2020-07-11
dc.description.abstractExisting self-healing mechanisms are still very far from full-scale implementation, and most published work has only demonstrated damage cure at the laboratory level. Their rheological nature makes the mechanisms for damage cure difficult to implement, as the component or structure is expected to continue performing its function. In most cases, a molecular bond level chemical reaction is required for complete healing with external stimulations such as heating, light and temperature change. Such requirements of external stimulations and reactions make the existing self-healing mechanism almost impossible to implement in 3D printed products, particularly in critical applications. In this paper, a conceptual description of the self-healing phenomenon in polymeric structures is provided. This is followed by how the concept of self-healing is motivated by the observation of nature. Next, the requirements of self-healing in modern polymeric structures and components are described. The existing self-healing mechanisms for 3D printed polymeric structures are also detailed, with a special emphasis on their working principles and advantages of the self-healing mechanism. A critical discussion on the challenges and limitations in the existing working principles is provided at the end. A novel self-healing idea is also proposed. Its ability to address current challenges is assessed in the conclusionsen_UK
dc.identifier.citationDukhi Almutairi M, Indrat Aria A, Kumar Thakur V, et al., (2020) Self-healing mechanisms for 3D-printed polymeric structures: from lab to reality. Polymers, Volume 12, Issue 7, July 2020, Article number 1534en_UK
dc.identifier.issn2073-4360
dc.identifier.urihttps;//doi.org/10.3390/polym12071534
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15581
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectFDMen_UK
dc.subjectorigami capsuleen_UK
dc.subjectcrack propagationen_UK
dc.subject3D printing structureen_UK
dc.subjectself-healing mechanismen_UK
dc.subject3D printingen_UK
dc.titleSelf-healing mechanisms for 3D-printed polymeric structures: from lab to realityen_UK
dc.typeArticleen_UK

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