METHOD OF PRODUCING COMPOSITE MATERIAL WITH 3D-NANOSTRUCTURE Russian patent published in 2009 - IPC B22F3/26 C22C1/04 B82B3/00 

FIELD: production processes.

SUBSTANCE: in compliance with the proposed method, copper matrix is pressed at 100 to 300 MPa and sintered at 5640 to 680°C for 1 to 2 h in protective-reducing gaseous atmosphere to produce apparent-porosity structure. Nonstructural component is introduced therein in vacuum impregnation of the matrix with suspension of refractory material nanoparticles in glycerin-based protective fluid at 1 to 10 kPa. Aforesaid protective fluid is removed at 80 to 95% of its boiling point. Finally, final sintering is effected at 810 to 1020°C for 1 to 2 h in protective-reducing gaseous atmosphere.

EFFECT: simplified process, expanded technological performances, improved physical-mechanical properties.

3 cl, 1 tbl, 1 ex