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Park, Hyung Wook
Multiscale Hybrid Manufacturing Lab
Research Interests
  • Advanced manufacturing process and system
  • Flexible manufacturing
  • Multiscale materials

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Large pulsed electron beam surface treatment of translucent PMMA

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Title
Large pulsed electron beam surface treatment of translucent PMMA
Author
Lee, IneonPark, Hyung Wook
Issue Date
2014-07
Publisher
ELSEVIER SCIENCE BV
Citation
APPLIED SURFACE SCIENCE, v.308, pp.311 - 315
Abstract
A large pulsed electron beam (LPEB) was used to modify the surface properties of a poly(methyl methacrylate) (PMMA) sample. Translucent PMMA samples were fabricated using a conventional milling process. Then, the surface was irradiated with an energy density of 2 to 4 J/cm2 by a large electron beam, 60 mm in size. Surface property characterization of the irradiated PMMA samples was performed using an ultraviolet-visible-near infrared (UV-vis-NIR) spectrophotometer, atomic force microscopy, a form tracer, and drop-shape analysis and compared with the non-irradiated surface. It was observed that the visible light transmission of the prepared PMMA sample was enhanced by 40%. The surface roughness of the PMMA sample after irradiation was also reduced by 30%, compared with the baseline case with no irradiation. Additionally, the water contact angle increased as the number of LPEB shots increased.
URI
https://scholarworks.unist.ac.kr/handle/201301/5002
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84901692927
DOI
10.1016/j.apsusc.2014.04.163
ISSN
0169-4332
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