METHOD OF JOINING COMPONENTS MADE FROM CARBON MATERIAL BY BRAZING Russian patent published in 2013 - IPC C04B37/00 C04B35/573 

FIELD: chemistry.

SUBSTANCE: present invention relates to a method of joining components made from carbon material using silicon carbide-based brazing solder, which are used in microelectronics and photoelectric devices. The method of joining at least two components made from carbon material with particle size of less than 10 mcm, having open porosity from 0 to 40% by volume, involves the following steps. The joined components made from carbon material and a silicon element, for example a strip of silicon, are placed such that said element is between said components. The obtained assembled component is held under pressure while heating in an inert atmosphere to temperature from 1410 to 1500°C for 10 minutes to 1 hour, which results in the melting of silicon and formation of joint, having at least one crosspiece made from silicon carbide on the boundary surface of said components. The component is then heated to temperature ranging from 1500 to 1750°C for 3 to 8 hours, with expenditure of all the molten silicon and formation of a joint from silicon carbide on the entire boundary surface of said components made from carbon material.

EFFECT: obtaining an especially pure connection of carbon components.

7 cl, 2 ex, 3 dwg