Application of the small punch test to determine the fracture toughness of metallic materials

E. Cardenas, F.J. Belzunce, C. Rodriguez, I. Penuelas and C. Betegon
Fatigue & Fracture of Engineering Materials & Structures, Vol 35, Issue 5, 441-450, May 2012
https://doi.org/10.1111/j.1460-2695.2011.01635.x