1. Design of SiC/C functionally gradient material and its preparation by chemical vapor deposition;Sasaki;J. Ceram. Soc. Jpn.,1989
2. Powder Metallurgical Fabrication of the Thermal-Stress Relief Type of Functionally Gradient Materials;Kawasaki,1988
3. Gradient Coatings Formed by Plasma Twin Torches and those Properties;Fukushima,1990
4. Production of Functionally Gradient Materials by Applying Low Pressure Plasma Spray;Shimoda,1990