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SUMMARY:Metallic Lattice Metamaterials: Extreme Manufacturing and Multifun
 ctional Applications - Dr Liqiang Wang\, CUED
DTSTART:20251024T133000Z
DTEND:20251024T140000Z
UID:TALK237571@talks.cam.ac.uk
CONTACT:46601
DESCRIPTION:Title: Metallic Lattice Metamaterials: Extreme Manufacturing a
 nd Multifunctional Applications\n\nAbstract: Metallic lattice metamaterial
 s\, a class of architected materials characterized by their precisely engi
 neered periodic micro-architectures\, have emerged as a frontier in materi
 als science and advanced manufacturing. We begin by discussing our develop
 ed Micro-Selective Laser Melting (µSLM)\, which enable the fabrication of
  metallic lattices with unprecedented geometric complexity and fine featur
 e resolution. Then\, building upon µSLM technology\, we have developed an
  oxide dispersion strengthening strategy that enables high-precision (78 
 µm)\, cost-effective additive manufacturing of pure copper components usi
 ng infrared lasers. Furthermore\, through the implementation of dislocatio
 n-engineered 3D printing methodology\, we have achieved integrated manufac
 turing across nano-to-macro scales. The presentation subsequently demonstr
 ates the multifunctional applications of these advanced manufacturing tech
 nologies across various domains\, including components for supersonic impa
 ct resistance (aerospace)\, high-precision metalens fabrication (terahertz
  communications)\, extreme heat environments (combustion chambers)\, and m
 onolithic catalytic electrodes (sustainable development). Together\, these
  advances promote the multi-scale development of lattice metamaterials and
  unlock their potential for next-generation engineering applications.\n\n\
 nBio: Dr. Liqiang is currently a Postdoctoral Research Associate in the Ad
 ditive Microstructure Engineering (AddME) Lab at the University of Cambrid
 ge\, under the supervision of Prof. Matteo Seita. He received his PhD from
  City University of Hong Kong in 2024. Following his Ph.D.\, he conducted 
 postdoctoral research at The Chinese University of Hong Kong.\nHis researc
 h specializes in the multi-scale design and additive manufacturing of meta
 llic lattice metamaterials\, with a focus on high-thermal-conductivity cop
 per-based materials and high-strength/ductility high-entropy alloys for ex
 treme service conditions.  Dr. Liqiang's work has resulted in high-impact 
 publications in journals\, covering topics such as extreme dynamic loading
  (Science Advances\, 2025\, featured as Cover Article)\, terahertz metalen
 s manufacturing (Nature Communications\, 2025)\, sustainable electrocataly
 st design (Nature Communications\, 2025)\, and extreme thermal management 
 (Additive Manufacturing\, 2024).
LOCATION:Oatley 1 Meeting Room\, Department of Engineering
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