摘要:
An article includes a substrate and a coating on the substrate. The coating includes a bond layer and an overlying layer comprising at least one oxide. The bond layer comprises silicon metal and at least one of a transition metal carbide, a transition metal boride, or a transition metal nitride.
摘要:
An article having a substrate that includes a ceramic or a ceramic matrix composite, a bond layer on the substrate that includes silicon metal and a boria stabilizing agent, and at least one additional layer on the bond layer.
摘要:
One aspect of the present disclosure includes a turbine vane assembly comprising a vane made from ceramic matrix composite material having an outer wall extending between a leading edge and a trailing edge and between a first end and an opposing second end; an endwall made at least partially from a ceramic matrix composite material configured to engage the first end of the vane; and a retaining region including corresponding bi-cast grooves formed adjacent the first end of the vane and a receiving aperture formed in the endwall; wherein a bond is formed in the retaining region to join the vane and endwall together.
摘要:
An article includes a substrate and a coating on the substrate. The coating includes a bond layer and an overlying layer comprising at least one oxide. The bond layer comprises silicon metal and at least one of a transition metal carbide, a transition metal boride, or a transition metal nitride.
摘要:
A multilayer interface coating for composite material fibers includes a first coating layer deposited onto a fiber and a second coating layer deposited onto the first coating layer.