A process for joining a brass part and a silicon carbide ceramics part, comprising steps of: providing parts comprising a brass part, a silicon carbide ceramics part, an aluminum foil and a nickel foil; bringing surfaces of the silicon carbide ceramics part, the aluminum foil, the nickel foil and the brass part into contact in turn; applying a joining pressure between about 10 MPa and 40 MPa to the parts; heating the parts at a rate below 50° C./min when a temperature of the parts is below about 300° C.; when the temperature of the parts is above about 300° C., heating the parts at a rate of about 80° C./min˜200° C./min until to a joining temperature of about 550° C. to about 650° C., and maintaining the joining temperature between about 15 minutes and 40 minutes.