A process for joining a stainless steel part and a silicon carbide ceramic part comprising: providing a SUS part, a SiC ceramic part, a Mo foil and a Ni foil; depositing a nickel coating on a surface of the SiC ceramic part; placing the SiC ceramic part, the Mo foil, the Ni foil, and the SUS part into a mold, the Mo foil and the Ni foil located between the SiC ceramic part and the SUS part; placing the mold into a chamber of an hot press sintering device, heating the chamber and pressing the SUS part with the nickel coating, the SiC ceramic part, the Mo foil, and the Ni foil at least until the SUS part, the SiC ceramic part, the Mo foil and the Ni foil form a integral composite article.