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On melting a semi-infinite target using a pulsed laser

โœ Scribed by M.M. El-Nicklawy; A.F. Hassan; S.E.-S. Abd El-Ghany

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
349 KB
Volume
32
Category
Article
ISSN
0030-3992

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โœฆ Synopsis

The two-dimensional Laplace integral transform technique is used to solve the problem of melting a semi-inยฎnite target induced by surface absorption of a laser pulse.

Mathematical expressions for the temperature distribution within the solid part of the target and the thickness of its liquiยฎed part were obtained considering cooling, temperature dependent absorption coecient of the irradiated surface and constant temperature in the molten layer. As an illustrative example computations were carried out on a semi-inยฎnite aluminium (Al) target.

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