Densification of coating using laser peening

摘要

A method of treating a coating (12) includes the steps of providing the coating (12) on a substrate (10) and laser peening the coating (12). The laser peening consolidates the coating (12) to reduce porosity and permits uniform consolidation in corners and tight spaces on articles such as gas turbine engine components. An ablative layer (16) may be deposited over the coating (12) and a tamping layer (18) disposed on the ablative layer (16) to at least partially contain the ablative layer during laser peening.