Performance of Alumina Ceramic-Lined J55 Steel Tubing Fabricated by Self-Propagating High Temperature Synthesis

The alumina ceramic layer was prepared at the inner-wall surface of J55 steel tubing by the self-propagating high temperature synthesis and the ceramic-lined composite tubing was obtained. The microstructure, corrosion resistance, scale and wax resistance, mechanical properties and bonding property of the composite tubing were studied and compared and analyzed with those of the J55 steel tubing. The results show that the microstructure of the composite tubing was similar to that of the J55 steel tubing, by contrast the grains were refined. The tensile strength and pressure resistance of the composite tubing was close to those of the J55 steel tubing. The corrosion resistance and scale and wax resistance of the composite tubing were excellent. The inner-wall surface after corrosion changed little and the corrosion mass loss was about 0.09wt%, which was much lower than 51.11wt% of the J55 steel tubing. After scale and wax test, the deposits were fewer in the composite tubing and the percent mass gain was only 0.45wt%, which was much lower than 31.5wt% of the J55 steel tubing. The maximum impact energy and minimum bending radius of the composite tubing was 73.5 J and 11.47 m respectively and the bonding strength of ceramic layer to the matrix was 36.68 MPa.