MANUFACTURING METHOD OF THE COMPONENT WITH ABRADABLE COATING Russian patent published in 2018 - IPC C23C24/08 B22F3/18 B22F7/08 F01D3/00 

FIELD: manufacturing technology.

SUBSTANCE: invention relates to the method of manufacturing of the part that is coated with abradable material, wherein the manufactured part can be the turbo machine body, the inner surface of which is at least partially covered with the abradable coating in radial direction. When carrying out the above mentioned method, the following operations are carried out: manufacturing of the part blank that has the cavity emerging onto the surface of the part blank through at least one opening, filling the cavity with the abradable material in the form of powder and joint hot rolling of the part blank and abradable material for sintering of the abradable material and its fastening to the part blank surface in order to obtain the abradable coating, while during the operation of joint hot rolling, the abradable material is subjected to the rolling pressure on the side of at least one opening.

EFFECT: obtainment of the abradable coating without the occurrence of residual stresses in it is ensured, which makes it possible to reduce the probability of coating separation.

12 cl, 8 dwg