Additive manufacturing based on liquid resin curing is one of the most promising methods to construct delicate structures.However,precision and speed are limited by the vertical adhesion of in situ cured resin at the ...Additive manufacturing based on liquid resin curing is one of the most promising methods to construct delicate structures.However,precision and speed are limited by the vertical adhesion of in situ cured resin at the curing interface.To overcome the unavoidable adhesion and to develop a general curing interface,we propose a slippery surface taking inspiration of the peristome surface of the pitcher plant.Such surface shows ultra-low adhesive energy at the curing interface due to the inhibition of the direct contact between the cured resin and the solid surface,which also increases the reflling speed of liquid resin.Tis ultra-low adhesive energy interface is efective for continuous 3D printing and provides insights into the physical mechanisms in reducing vertical solid-solid interfacial adhesion.展开更多
基金Te authors L.Wu,Z.Dong,C.Li,and Y.Song acknowledge the National Key R&D Program of China(Grant Nos.2018YFA0208501,2016YFB0401603,2016YFC1100502,and 2016YFB0401100)the NSFC(Grant Nos.51803219,51773206,51473172,51473173,and 21671193)+1 种基金and the“Strategic Priority Research Program”of the Chinese Academy of Sciences(Grant No.XDA09020000)N.X.Fang and H.Du are grateful for the seed provided by the MIT Energy Initiative.
文摘Additive manufacturing based on liquid resin curing is one of the most promising methods to construct delicate structures.However,precision and speed are limited by the vertical adhesion of in situ cured resin at the curing interface.To overcome the unavoidable adhesion and to develop a general curing interface,we propose a slippery surface taking inspiration of the peristome surface of the pitcher plant.Such surface shows ultra-low adhesive energy at the curing interface due to the inhibition of the direct contact between the cured resin and the solid surface,which also increases the reflling speed of liquid resin.Tis ultra-low adhesive energy interface is efective for continuous 3D printing and provides insights into the physical mechanisms in reducing vertical solid-solid interfacial adhesion.
