Shadowgraphy of pulsed CO laser ablation of polymers

SIEW, W and TOU, T and WONG, K (2005) Shadowgraphy of pulsed CO laser ablation of polymers. Applied Surface Science, 248 (1-4). pp. 281-285. ISSN 01694332

Full text not available from this repository.
Official URL:


Heavy plume expansions in air, helium and argon produced by pulsed CO2 laser ablations of poly(methyl methacrylate) (PMMA) and polyimide (PI) were imaged by shadowgraphy. The PMMA was melted at 1-2 mm depth beneath the surface followed by an outward expulsion of heavy plumes. A shock front was formed which detached from the first plume after several microseconds. A second, mushroom-shaped plume and a narrow ejection were also observed. In contrast, the mushroorn-shaped plume structure was absent in PI ablation, but it was in the form of a single blob, which collapsed back to the target. (c) 2005 Elsevier B.V. All rights reserved.

Item Type: Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 12 Sep 2011 02:47
Last Modified: 12 Sep 2011 02:47

Actions (login required)

View Item View Item