Abstract: Maximum value of thermal stress and stress concentration zones of iron/TiC cermet joint brazed at 1173 K during cooling were studied in this paper. The results show that the shear stress on iron/TiC cermet joint concentrates on the interface tip and the maximum value of the shear stress appears on the Ag-Cu-Zn/TiC cermet interface. The maximum value of tensile stress along TiC cermet undersurface appears on the tips of TiC cermet undersurface, which decreases when the temperature declines. The maximum value of compressive stress along TiC cermet undersurface appears on the center of TiC cermet undersurface, which increases when the temperature declines.