CERAMIC COMPOSITE AND BATCH FOR ITS PRODUCING Russian patent published in 2017 - IPC C04B35/58 C22C29/14 

FIELD: metallurgy.

SUBSTANCE: invention relates to the production of ceramic composites based on the refractory metal borides of metals of VI and VI groups of the periodic element table by the method of self-propagating high-temperature synthesis (SHS), and can be used for the manufacture of cutting tools, refractory and wear-resistant products, targets for the application of composite coatings and other purposes. The ceramic composite contains metal diborides of IV and VI groups of the periodic element table and a refractory boride selected from the group: (Ti_xCr_1-x)B₂, (Zr_xCr_1-x)B₂, where x=0.5-0.9; (Ti_xW_yCr_z)B₂, (Zr_xW_yCr_z)B₂, where x=0.5-0.8, y=0.1-0.4, z=0.1-0.3, x+y+z=l and chromium monoboride (CrB) at the following component ratios (wt %): a refractory boride selected from the group, 40-90, CrB - the rest. The batch for producing a ceramic composite contains metals of groups IV and VI of the periodic element table and boron in the following proportions, wt %: titanium - (14.06-55.49); chromium - (14.98-63.28); boron - the rest or zirconium - (25.61-67.85); chromium - (12.58-56.49); boron - the rest, or titanium - (8.09-41.28); chromium - (12.05-52.18); boron (17.28-25.00); tungsten - the rest, or tungsten - (6.54-45.35); chromium - (11.48-51.31); boron (15.04-18.17); zirconium - the rest.

EFFECT: decreasing the residual porosity and increasing the microhardness.

5 cl, 1 tbl