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High\u2010strength IN718 was used as the base material and highly thermal conductive Cu was employed for internal cooling channels. The cooling channels are produced by electrical discharge machining (EDM) and subsequently filled with Cu to be sintered by hot pressing (HP). The morphological, microstructural, hardness, and thermal properties of the hot\u2010pressed multi\u2010material IN718\u2013Cu specimens are studied to evaluate the feasibility of HP processing as a viable manufacturing approach for these multi\u2010material solutions. The multi\u2010material IN718\u2013Cu specimens presents a well\u2010defined design with good metallurgical bonding between the two materials and a thin diffusion region is found, assuring the final properties of each individual material. The Vickers\u2019 microhardness of IN178 and Cu are in accordance with the reported for conventional processes which indicates good densification. The thermal conductivity of the multi\u2010material IN718\u2013Cu specimen is 25% higher than mono\u2010material IN718, which can be a significant improvement in the thermal efficiency of an aerospace component.<\/jats:p><\/jats:sec>","DOI":"10.1002\/adem.202201349","type":"journal-article","created":{"date-parts":[[2022,11,24]],"date-time":"2022-11-24T07:29:26Z","timestamp":1669274966000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Multi\u2010Material Inconel 718 Parts with Highly Conductive Copper Cooling Channels for Aerospace Applications"],"prefix":"10.1002","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5418-3453","authenticated-orcid":false,"given":"Ana","family":"Marques","sequence":"first","affiliation":[{"name":"CMEMS \u2013 Center for Microelectromechanical Systems University of Minho  Azur\u00e9m 4800-058 Guimar\u00e3es Portugal"},{"name":"LABBELS \u2013 Associate Laboratory in Biotechnology and Bioengineering and Microelectromechanical Systems  Braga\/Guimar\u00e3es Portugal"}]},{"given":"Bruno","family":"Guimar\u00e3es","sequence":"additional","affiliation":[{"name":"CMEMS \u2013 Center for Microelectromechanical Systems University of Minho  Azur\u00e9m 4800-058 Guimar\u00e3es Portugal"},{"name":"LABBELS \u2013 Associate Laboratory in Biotechnology and Bioengineering and Microelectromechanical Systems  Braga\/Guimar\u00e3es Portugal"}]},{"given":"Maria","family":"Cerqueira","sequence":"additional","affiliation":[{"name":"Centro de F\u00edsica Universidade do Minho  Campus de Gualtar 4710\u2013057 Braga Portugal"},{"name":"INL \u2013 International Iberian Nanotechnology Laboratory  Av. 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