TURBINE WORN-IN SEAL COMPOSITE ELEMENT Russian patent published in 2013 - IPC B22F7/00 F01D11/00 B22F3/12 

FIELD: process engineering.

SUBSTANCE: invention relates to machine building, particularly, to turbo machine flow section seals operated at higher temperatures and high-frequency oscillations. Proposed element consists of bearing and run-in parts made from adhesively bonded powder material particles. Bearing part is made from cellular material produced by sintering in vacuum or protective medium of powder material containing the following components in wt %: Cr - 10.0-18.0, Mo - 0.8-3.7, Fe or Ti or Cu or brass or bronze or combination thereof making the rest. Run-in part material is fitted into bearing part cells.

EFFECT: better run-in properties, mechanical strength and wear resistance.

24 cl, 1 dwg, 1 ex