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Proceedings Paper

Mathematical model of 30CrMnSi alloy steel absorptivity evolution under 1.07μm cw-laser irradiation
Author(s): Chenghua Wei; Linzhu Chen; Weiping Liu; Menglian Zhou; Zhen Zhang
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Paper Abstract

In this paper we build an experimental apparatus to measure the reflectivity and temperature of the foil in different conditions. The experimental results show that the growth of oxide film can be divided into 3 stages which corresponding to logarithmic, linear and parabolic rate law. A mathematical model is introduced to explain the phenomena observed in experiment. Numeral calculations are made for 30CrMnSi steel while cw-laser wavelength is 1.07μm. The numerical solutions are in agreement with the experimental data.

Paper Details

Date Published: 16 May 2013
PDF: 6 pages
Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 87960V (16 May 2013); doi: 10.1117/12.2011318
Show Author Affiliations
Chenghua Wei, Northwest Institute of Nuclear Technology (China)
Linzhu Chen, Northwest Institute of Nuclear Technology (China)
Weiping Liu, Northwest Institute of Nuclear Technology (China)
Menglian Zhou, Northwest Institute of Nuclear Technology (China)
Zhen Zhang, Northwest Institute of Nuclear Technology (China)


Published in SPIE Proceedings Vol. 8796:
2nd International Symposium on Laser Interaction with Matter (LIMIS 2012)
Stefan Kaierle; Jingru Liu; Jianlin Cao, Editor(s)

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