HOT GAS PATH COMPONENT AND METHODS OF MANUFACTURE

摘要

Various embodiments of the disclosure include a turbomachine component (2) and methods of forming such a component (2). Some embodiments include a turbomachine component (2) including: a first portion (4) including at least one of a stainless steel or an alloy steel; and a second portion (6) joined with the first portion (4), the second portion (6) including a nickel alloy including an arced cooling feature (10) extending therethrough, the second portion (6) having a thermal expansion coefficient substantially similar to a thermal expansion coefficient of the first portion (4), wherein the arced cooling feature (10) is located within the second portion (6) to direct a portion of a coolant to a leakage area (18) of the turbomachine component (2).