Callaway Golf Chair Associate Professor Structural and Materials Engineering UC San Diego
La Jolla, CA
Joined October 2019
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Interlaminar bonding of Thermoplastic Composites (TPC) in Laser-Assisted Automated Fiber Placement (AFP). For free access to this research over the next 50 days, please visit: authors.elsevier.com/a/1kW9H…
ABSTRACTS ARE DUE MARCH 15!
compositesworld.com/news/ame…
Reactive Extrusion #AdditiveManufacturing (#REAM) of a viscous, short-fiber-reinforced #Thermoset #Composite using an active mixer.
download for free for the next 50 days: authors.elsevier.com/a/1iMaZ…
Delving into #AM of Polyaryletherketone (#PAEK) polymers/composites in our latest paper! Discover grades like PEEK, PEKK, & PEK, their #FFF & #SLS, printability, and interlayer properties. (Free download until Nov 20, 2023) sciencedirect.com/science/ar…
#Postdoct Position in #Nanomaterials & #Ultraconductos-- UC San Diego
Advanced Electrical Conductors (#CNT, #Graphene, and #Metal-based) -- US-based candidates with work authorization only.
Please apply to this #postdoc position by filling out this form:
forms.gle/c3hdif2xjoHYS84z8
Join me at the 1st Annual Aerospace Structures, Structural Dynamics, and Materials Conference (SSDM) in San Diego from June 19-21, 2023! Submit your presentation-only abstracts (200-650 words) by February 13.
event.asme.org/SSDM #SSDM2023
In situ consolidation is considered as the "Holy Grail" for #composite #manufacturing. We demonstrate this using laser-assisted #AFP, at up to 0.15 m/s (350 inch/min). Bonding and failure mechanisms are also explained.
authors.elsevier.com/a/1g5UM…
Check out our open-access article on high #conductivity #carbonaceous #conductors. doi.org/10.1016/j.cartre.202…
We measured conductivities as high as 10 MS/m for intercalated carbon fibers! Carbon fibers outperform the highly aligned and ordered CNT fibers despite their disordered structure. We conclude that junction resistance hampers conductivity in high-quality carbonaceous conductors.
A great #SFF this year. Met amazing people, caught up with old friends, learned a great deal, and my group delivered several talks on sustainable AM of graphite, reactive extrusion AM (collaboration with professor Carolyn Seepersad), DED of composites, and copper LPBF.
VOID FREE, #ISOTROPIC #FFF PARTS: A major issue with fused filament fabrication (FFF) #AM is voids and weak interfaces. We i) show how to eliminate voids in FFF! and ii) explain the failure mechanics and bonding mechanisms in FFF parts. doi.org/10.1016/j.jmapro.202…
Additive manufacturing of recyclable, highly conductive, and structurally robust graphite structures
Our first publication in the Additive Manufacturing Letters (speedy review process!) #additivemanufacturing doi.org/10.1016/j.addlet.202…
We are super excited to be one of #NASA Early Stage Tech Innovations recipients
Over the next three years, we will work on Advanced Electrical Conductors for High-Voltage Power Transmission on the Moon nasa.gov/directorates/spacet…
We are excited to be one of the Stage 1 winners of the CABLE Conductor Manufacturing Prize by DoE. For this project, we will develop Lightweight Intercalated Carbon Fiber Conductors: energy.gov/eere/articles/dep…
Tehrani Group retweeted
BREAKING NEWS:
The Royal Swedish Academy of Sciences has decided to award the 2021 #NobelPrize in Physics to Syukuro Manabe, Klaus Hasselmann and Giorgio Parisi “for groundbreaking contributions to our understanding of complex physical systems.”
Tehrani Group retweeted
👇👇👇👇👇👇👇`
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Our presentations at SFF (CST time):
Tue 8-830 AM of polymers and composites (myself)
Tue 10-1015 Pratik : REAM of thermosetting composites
Tue 2-215 Timothy: SLS vs. FFF of PAEK composites
Tue 230-245 Sarah: FEA modeling of FFF
Tue 215-230 Pouria: PBF-AM pure copper coupons