1. Ritchie RO. Crack tip shielding in fatigue, Proceedings of the 5th International Conference on Mechanical Behaviour of Materials (ICM5), Beijing, China, June 1987
2. A method for determining conservative fatigue threshold while avoiding crack closure;Matsuoka;J. Test. Eval., JTEVA,1986
3. A finite-element analysis of fatigue crack closure;Newman,1976
4. A fatigue crack closure mechanism in titanium;Walker;Fatigue Fract. Engng. Mater. Struct.,1979
5. Crack closure––is it just a surface phenomenon?;Fleck;Int. J. Fatigue,1982