{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/120593"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/120593","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Additive manufacturing methods for fabricating synthetic Hagfish skeins","abstract":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01","abstract_html":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01","abstract_has_math":false,"creators":["Siu, Ryan"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["Tawfick, Sameh"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-05","date_published":"2023-05","updated_at":"2026-07-22T22:24:57Z","subjects":["Additive Manufacturing"],"languages":["en","eng"],"rights":["Copyright 2023 Ryan Siu"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/120593","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Tawfick, Sameh"]},{"key":"dc:creator","label":"Author","values":["Siu, Ryan"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2023-05","2023-05-05"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Additive Manufacturing"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2023 Ryan Siu"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/120593"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01","The student, Ryan Siu, accepted the attached license on 2023-05-05 at 11:08.","The student, Ryan Siu, submitted this Thesis for approval on 2023-05-05 at 11:36.","This Thesis was approved for publication on 2023-05-05 at 14:27.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19352 on 2023-09-01 at 17:22:24","Hagfish, a type of eel-like fish that live near the bottom of the ocean, possess a unique self-defense mechanism. Hagfish release a rapidly deploying slime that clogs the gills of their predators. The slime is composed of both mucus and \"skeins\", which are long continuous fibers arranged in compact bundles. This thesis discusses the manufacturing of synthetic skeins, which have many defense applications including naval defense, firefighting, instant coagulation, and more. A model for synthetic skeins is defined and two manufacturing methods, 2-Photon Lithography (2-PL) and Embedded 3D Printing are discussed and evaluated. 2PL was performed on a Nanoscribe Photonic Professional GT2 with a new resin, IP-PDMS. A printing process was developed, optimize, and used to print preliminary skeins. Challenges and limitations of this additive manufacturing process for synthetic hagfish skeins is discussed. A custom Embedded 3D Printer was designed and built to use solvent exchange as a novel curing method. The solvent exchange mechanism, which allows for printing smaller diameters than any other method in the literature, is explained. Compact synthetic hagfish skeins with an expansion ratio of 1:1,000 were successfully printed and fiber diameters under 3 μm were achieved. Other capabilities for this printer system are also discussed. A library of printable materials via solvent exchange, prototype composites, and a method for manufacturing hairs are presented. Specific tasks for future work are also described."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Additive manufacturing methods for fabricating synthetic Hagfish skeins"]}]}],"canonical_facts":{"dc:contributor":["Tawfick, Sameh"],"dc:creator":["Siu, Ryan"],"dc:date":["2023-05","2023-05-05"],"dc:description":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01","The student, Ryan Siu, accepted the attached license on 2023-05-05 at 11:08.","The student, Ryan Siu, submitted this Thesis for approval on 2023-05-05 at 11:36.","This Thesis was approved for publication on 2023-05-05 at 14:27.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19352 on 2023-09-01 at 17:22:24","Hagfish, a type of eel-like fish that live near the bottom of the ocean, possess a unique self-defense mechanism. Hagfish release a rapidly deploying slime that clogs the gills of their predators. The slime is composed of both mucus and \"skeins\", which are long continuous fibers arranged in compact bundles. This thesis discusses the manufacturing of synthetic skeins, which have many defense applications including naval defense, firefighting, instant coagulation, and more. A model for synthetic skeins is defined and two manufacturing methods, 2-Photon Lithography (2-PL) and Embedded 3D Printing are discussed and evaluated. 2PL was performed on a Nanoscribe Photonic Professional GT2 with a new resin, IP-PDMS. A printing process was developed, optimize, and used to print preliminary skeins. Challenges and limitations of this additive manufacturing process for synthetic hagfish skeins is discussed. A custom Embedded 3D Printer was designed and built to use solvent exchange as a novel curing method. The solvent exchange mechanism, which allows for printing smaller diameters than any other method in the literature, is explained. Compact synthetic hagfish skeins with an expansion ratio of 1:1,000 were successfully printed and fiber diameters under 3 μm were achieved. Other capabilities for this printer system are also discussed. A library of printable materials via solvent exchange, prototype composites, and a method for manufacturing hairs are presented. Specific tasks for future work are also described."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/120593"],"dc:language":["en","eng"],"dc:rights":["Copyright 2023 Ryan Siu"],"dc:subject":["Additive Manufacturing"],"dc:title":["Additive manufacturing methods for fabricating synthetic Hagfish skeins"],"dc:type":["text"],"thesis:degree_discipline":["Mechanical Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:24:57Z"}