Patent ID: 8846206
Filing Date: 2014-09-30
Classification: C22C,Y10T

Abstract:
1. An intermediate component for the production of a turbine engine component comprising: a first wall member comprising a first connecting structure comprising a plurality of elongated projections and a plurality of elongated cavities located between said projections; a leachable material layer provided on the outermost surface of said projections and between said cavities wherein said leachable material layer includes slots that are generally aligned with said cavities such that the leachable material layer does not cover or extend into said cavities; and a precursor wall member formed adjacent to said leachable material layer from a metal powder mixed with a binder material, said precursor wall member including a second connecting structure that extends into and substantially fills said cavities and engages the first connecting structure in a mechanically locking relationship; wherein a plurality of cooling channels is defined upon removal of the leachable material layer.