Issue 23

A. Spaggiari et alii, Frattura ed Integrità Strutturale, 23 (2013) 75-86; DOI: 10.3221/IGF-ESIS.23.08 84 ( a) ( b) ( c) ( d) Figure 6 : Experimental torque-angle curves for 50mT (grey solid lines), 100mT (dotted lines), 200mT (dashed line) and 300mT (solid black line). Pressures of 0,10,20 and 30 Bars, reported in ( a) , ( b) , ( c) and ( d) , respectively. Figure 7 : Half normal plot of the yield shear stress: effect of the magnetic field (black square), pressure (white square) and their interaction (hollow black square).