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UID:0-426@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20170625T163000

DTEND;TZID=Asia/Jerusalem:20170625T173000

DTSTAMP:20230530T180806Z

URL:https://aerospace.technion.ac.il/events/4d-printing-making-3d-printing
 -alive/

SUMMARY:4D Printing: Making 3D Printing Alive
DESCRIPTION:Lecturer:Prof. H. Jerry Qi\n Faculty:The George W. Woodruff Sch
 ool of Mechanical Engineering\n Institute:Georgia Institute of Technology\
 , Atlanta\, Georgia\, USA\n Location:Classroom 165\, ground floor\, Librar
 y\, Aerospace Eng.\n Zoom: \n Abstract: \n Details: \n 4D printing is a no
 vel concept that emerges in recent years\, benefiting from the rapid devel
 opment of advanced 3D printing technologies and active materials. In 4D pr
 inting\, upon external stimuli on demand\, a 3D printed part can change it
 s shapes as a function of time\, which becomes the 4th dimension of the sh
 ape forming process. 4D printing offers the advantages of forming complica
 ted 3D shapes from low dimensional structures\, saving printing materials 
 and printing times\, etc. These make it suitable for applications includin
 g morphing structures\, sensors\, actuators\, and soft robots.\nIn this ta
 lk\, we start with the concept of 4D printing. We then introduce several d
 ifferent approaches to achieve 4D printing\, including using hydrogel base
 d 3D printing method where the hydrogel swelling behavior is coupled with 
 structure anisotropy\, printed active composites that utilize multimateria
 l 3D printing\, and internal stress based approach where the residual stre
 ss generated in 3D printing process is used to promote shape change. Final
 ly\, we discuss the challenge and future directions for 4D printing.
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng.

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DTSTART:20170324T030000

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