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Surface modification of Al2O3–ZrO2(Y2O3) eutectic oxides by laser melting: processing and wear resistance

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Academic year: 2020

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Figure

Fig. 1. Photograph of an Al 2 O 3 –ZrO 2 (Y 2 O 3 ) prismatic specimen
Fig. 2. Scanning electron micrographs of the laser-melted surface (trav- (trav-eling speed of 500 mm/h)
Fig. 4 led to an estimation of 44 W/cm for the minimum power to initiate melting when the width of the laser beam was 1 mm and the specimens were preheated at 9801C
Fig. 6. Hardness of the sintered and laser-melted Al 2 O 3 –ZrO 2 (Y 2 O 3 )
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