Patent ID: 9289917
Filing Date: 2016-03-22
CPC Classification: B05D,B28B,B29C,B33Y,F01D,F05D

Claim Text:
1. A method of making a turbine part, the method comprising: spraying a first coating onto the turbine part; 3-D printing a second coating material disposed in a pattern onto the first coating, wherein the pattern comprises: wherein at least a first portion of the first plurality of ridges corresponding to at least a back portion of a turbine bucket is oriented at a first angle with respect to an axis of rotation of the turbine bucket; wherein the first angle ranges from about 20 degrees to about 70 degrees; wherein the pattern includes the first plurality of ridges disposed at the base surface of the turbine part such that each ridge of the first plurality of ridges are substantially parallel to each other; and wherein the first angle is equal to an exit angle of a trailing edge of the turbine bucket.