Additive manufacture-assisted method for making structural elements having controlled failure characteristics

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A process for making a layered multi-material structural element having controlled mechanical failure characteristics. The process includes the steps of: supplying a cementitious layer and forming a polymer layer on the cementitious layer by additive manufacture such that the polymer layer has a first thickness and the cementitious layer has a second thickness, wherein the polymer layer comprises a polymer and the cementitious layer comprises a cementitious material; and allowing the polymer from the polymer layer to suffuse into the cementitious layer for a period of time to obtain a suffused zone in the cementitious layer such that the suffused zone has a third thickness that is less than half the second thickness.

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Sajadi, Seyed Mohammad, Meiyazhagan, Ashokkumar, Boul, Peter, Rahman, Muhammad, Thaemlitz, Carl and Ajayan, Pulickel, "Additive manufacture-assisted method for making structural elements having controlled failure characteristics." Patent US11724443B2. issued 2023-08-15. Retrieved from https://hdl.handle.net/1911/115230.

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