1. http://www.sciencedirect.com/science/article/pii/0142112386900228

2. Fatigue & Fracture of Engineering Materials & Structures: Volume 5, Issue 3, pages 233–248, July 1982

3. International Journal of Fatigue: Volume 13, Issue 4, July 1991, Pages 313–321

4. Acta Metallurgica: Volume 35, Issue 6, June 1987, Pages 1193–1219

5. International Journal of Fatigue: Volume 8, Issue 4, October 1986, Pages 201–208

Thanks

I once published similar papers, which may be useful for you, and you may download them in from page:

1) M. Zheng, E. Niemi, X. Zheng, An energetic approach to predict fatigue crack initiation life of LY12CZ aluminum and 16 Mn steel, Theoretical and Applied Fracture Mechanics - THEOR APPL FRACT MECH. 01/1997; 26(1):23-28.

2) M. Zheng, J.H. Luo, X.W. Zhao, Z.Q. Bai, R. Wang, Effect of pre-deformation on the fatigue crack initiation life of X60 pipeline steel, International Journal of Pressure Vessels and Piping 01/2005; 82(7):546-552.

Also:

3) M. Zheng, M. X. Tong, H. P. Cai, C. Z. Xu, M. Q. Huang, Fatigue crack initiation life of fine grain brass H62, Theoretical and Applied Fracture Mechanics - THEOR APPL FRACT MECH. 01/2010; 54(2):105-109.

4) Changzheng Xu, Qingjuan Wang, Maosheng Zheng, Jindou Li, Meiquan Huang, Qingming Jia, Jiewu Zhu, Ludvik Kunz, Michal Buksa, Fatigue behavior and damage characteristic of ultra-fine grain low-purity copper processed by equal-channel angular pressing (ECAP), MATER SCI ENG A-STRUCT MATER. 01/2008; 475(1):249-256.

Thanks,

Cláudio