NDLI: Slicing-response model for ablation mass removal of polyformaldehyde irradiated by pulsed CO$

Content Provider	Springer Nature Link
Author	Li, Gan Cheng, MouSen Li, XiaoKang
Copyright Year	2014
Abstract	The interaction between CO$_{2}$ laser and polyformaldehyde (POM) is quite important in the research of laser irradiation effects and mechanisms. At this time, the accuracy of the existing mass-ablation models for POM irradiated by CO$_{2}$ laser is poor compared with the experimental data. Based on the energy distribution deposited in the POM target, the active area excited by laser is divided into four slices, the ablation slice (the temperature-rising slice, the perturbation slice, and the undisturbed slice), and a slicing response model for the mass ablation of POM induced by pulsed CO$_{2}$ laser irradiation in vacuum is developed. A formula is deduced to predict the ablated mass areal density from the model and is verified with data from several studies and our own experiments. The results show that our model fits the experimental data quite well before the shielding effect of ablation products becomes notable. The applicability of the model to other materials and the mass ablation in atmosphere are also briefly explored.
Starting Page	158
Ending Page	162
Page Count	5
File Format	PDF
ISSN	16747321
Journal	Science in China Series E: Technological Sciences
Volume Number	58
Issue Number	1
e-ISSN	18691900
Language	English
Publisher	Science China Press
Publisher Date	2014-12-20
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	laser ablation pulsed CO$_{2}$ laser polyformaldehyde (POM) ablation model Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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