[Abstract] The laser protection property of zirconia coating on metal and composite base materials was studied,the high temperature and heat insulating property of zirconia/metal composite coating and laser cladding characteristic were combined, which is applied in laser irradiation tes,t the rear surface temperature of test pieces was measured, and the micromechanism of breakage after laser irradiation was also analyzed by the SEM tests. The tests results show that zirconia coating reduces ablation and its heat insulating effect is apparent which provides a new material method for laser protection.
[Key words] Zirconia coating; Laser; Protection
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