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A new method of investigation of antireflexive coatings properties at laser heating.

Przybyłowicz K., Przybyłowicz J., Depczyński W., Konieczny M.

Inżynieria Materiałowa

2001

R. XXII, nr 5

998-1000

Efficiency of absorbing layers of various composition covered by various methods has been investigated using convergent specimens. These coatings consisted of Al2O3, iron oxide graphite SiO2 (paste) and Al2O3, B4C, Cr2O3 (plasma). The specimens were heated by CO2 laser (lambda=10,6 micrometer), power 2 kW, rate of scanning 500 mm/min. Efficiency was determined by measuring maximal thickness of melted through specimen. Additional metallographic examination in the section of maximal melting thickness has been performed, what enabled to determine the structure of melted area. It was stated that coating efficiency is the function of chemical composition and covering of the coating method.