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UID:0-416@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20170906T163000

DTEND;TZID=Asia/Jerusalem:20170906T173000

DTSTAMP:20230530T180213Z

URL:https://aerospace.technion.ac.il/events/mechanics-of-3d-printed-deform
 able-composites/

SUMMARY:Mechanics of 3D-Printed Deformable Composites
DESCRIPTION:Lecturer:Adi Batan\n Faculty:Department of Aerospace Engineerin
 g\n Institute:Technion – Israel Institute of Technology\n Location:Class
 room 165\, ground floor\, Library\, Aerospace Eng.\n Zoom: \n Abstract: \n
  Details: \n Composite materials play an important role in various enginee
 ring applications including aerospace industry. This is due to the attract
 ive mechanical properties and strength-to-weight ratio of composite materi
 als. Moreover\, these properties can be tailored by designing the microstr
 uctural arrangements and composition of the heterogeneous materials. Recen
 t development in the materials fabrication\, in particular multimaterial 3
 D printing technologies already allow realization of material designs at d
 ifferent length-scales.\n\nIn this study\, we specifically focus on the me
 chanical properties of composite materials produced through the UV assiste
 d multimaterial 3D printing. In particular\, we focus on the influence of 
 the interphases between different phases on the mechanical performance of 
 the 3D printed composites. We find that while the interphase phenomenon ba
 rely influence the effective mechanical properties of the composite\, it s
 ignificantly influence the stability of the material\, as such the critica
 l strain and associated critical wavelength of elastic instabilities chang
 e.\n\nTo elucidate the underlining phenomenon\, we employ the finite eleme
 nt based numerical analysis\, and perform the rigorous Bloch-Floquet insta
 bility analysis\, while accounting for the interphases. The numerically ob
 tained critical strains and wavelengths are compared with the experimental
  results on 3D printed laminates. We observe a good qualitative agreement 
 between the experimental and numerical results.
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng.

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