BONDED COMBUSTOR WALL FOR A TURBINE ENGINE
A combustor wall is provided for a turbine engine. The combustor wall includes a shell, a heat shield and a combustion chamber. The heat shield is connected to the shell by a bonded connection, and defines a portion of the combustion chamber. A cooling cavity is defined between the shell and the heat shield.
1 . An assembly for a turbine engine, comprising:
a shell formed from a first material comprising a nickel alloy; and
a heat shield connected to the shell by a bonded connection, the heat shield formed from a second material that is different than the first material, and the second material comprising composite material;
wherein a cavity is defined radially between the shell and the heat shield.
2 . The assembly of claim 1 , wherein the bonded connection comprises a partial transient liquid phase bonded connection.
3 . The assembly of claim 1 , wherein the bonded connection comprises a transient liquid phase bonded connection.
4 . The assembly of claim 1 , further comprising:
a combustor wall for the turbine engine;
the combustor wall comprising the shell and the heat shield.
5 . The assembly of claim 1 , wherein the bonded connection directly bonds the heat shield to the shell.
6 . The assembly of claim 1 , further comprising:
an intermediate element connected radially between the heat shield and the shell;
the bonded connection bonding the heat shield to the intermediate element.
7 . The assembly of claim 6 , wherein the intermediate element is bonded to the shell by a second bonded connection.
8 . The assembly of claim 6 , wherein the intermediate element comprises a strain isolator.
9 . The assembly of claim 1 , further comprising:
an intermediate element connected radially between the heat shield and the shell;
the bonded connection bonding the intermediate element to the shell.
10 . The assembly of claim 9 , wherein the heat shield is bonded to the intermediate element by a second bonded connection.
11 . The assembly of claim 9 , wherein the intermediate element comprises a strain isolator.
12 . The assembly of claim 1 , wherein
the shell includes one or more first cooling apertures that are fluidly coupled with the cavity; and
the heat shield includes one or more second cooling apertures that are fluidly coupled with the cavity.
13 . The assembly of claim 1 , wherein
the heat shield includes a base plate and a protrusion; and
the protrusion extends radially out from the base plate, and is connected to the shell by the bonded connection.
14 . The assembly of claim 13 , wherein the protrusion comprises a rail.
15 . An assembly for a turbine engine, comprising:
a shell formed from a first material comprising a nickel alloy; and
a heat shield connected to the shell by a bonded connection that comprises a partial transient liquid phase bonded connection, the heat shield formed from a second material that is different than the first material, and the second material comprising composite material;
wherein a cavity is defined radially between the shell and the heat shield.
16 . The assembly of claim 15 , further comprising:
a combustor wall for the turbine engine;
the combustor wall comprising the shell and the heat shield.
17 . The assembly of claim 15 , wherein the bonded connection directly bonds the heat shield to the shell.
18 . The assembly of claim 15 , further comprising:
an intermediate element connected radially between the heat shield and the shell;
the bonded connection bonding the heat shield or the shell to the intermediate element.
19 . An assembly for a turbine engine, comprising:
a first turbine engine component formed from a first material comprising a nickel alloy; and
a second turbine engine component connected to the first turbine engine component by a bonded connection, the second turbine engine component formed from a second material that is different than the first material, and the second material comprising composite material.
20 . The assembly of claim 19 , wherein the first turbine engine component is configured as a shell, and the second turbine engine component is configured as a heat shield lining the shell.