1. Hills DA, Nowell D. Mechanics of fretting fatigue. The Netherlands: Kluwer Academic Publishers.
2. Mechanics of fretting fatigue test;Hills;International Journal of Mechanical Sciences,1987
3. Protective coating in the gas turbine engine;Demasi;Surface Coating Technology,1994
4. Novinski ER. The design of thermal sprayed abradable seal coatings for gas turbine engines. In: Proceedings of the fourth national thermal spray conference. USA; 1991. p. 451–4.
5. Mahler FH. Advanced seal technology. Pratt & Whitney Aircraft; Report PWA-4372. 1972.