Patent ID: 11865641
Assignee: HRL LABORATORIES, LLC
Field: Machine tools (Mechanical engineering)
Classification: CPC B  C  Y | IPC B  C

Claim 0:
1. A single-crystal metallic article comprising:
(a) a build plate comprising a build region consisting of a seed single crystal of a nickel alloy or a cobalt alloy; and
(b) a plurality of solid layers forming a component single crystal of said nickel alloy or said cobalt alloy,
wherein said component single crystal is disposed on said build region,
wherein said component single crystal is produced via additive manufacturing in an additive-manufacturing build direction,
wherein said component single crystal, on length scales of 100 μm along said additive-manufacturing build direction, contains crystallographic misorientations that are less than 5 degrees on average,
wherein said build region and said plurality of solid layers form a continuous crystallographic texture, and
wherein said seed single crystal and said component single crystal form one continuous crystal.