Issue 30

J. Toribio et alii, Frattura ed Integrità Strutturale, 30 (2014) 40-47; DOI: 10.3221/IGF-ESIS.30.06

0.02

0.02

 =45º  =20º  =10º

 =45º  =20º  =10º

0.015

0.015

 =5º  =2º  =0º

 =5º  =2º  =0º

0.01

0.01

P

P





0.005

0.005

0

0

0

1

2

3

4

4.4 4.45 4.5 4.55 4.6 4.65 4.7 4.75

r (mm)

r (mm)

(a) (b) Figure 5 : Radial distribution of equivalent plastic strain for diverse circumferential coordinate  : (a) general plot and (b) detail plot near the rod surface (zone with strong gradients).

(a) (b) Figure 6 : Distribution of the hydrostatic stress after the sixth loading cycle: (a) 2D view of the contacting plane and (b) 3D view.

-3000 -2500 -2000 -1500 -1000 -500 0 500

-3000 -2500 -2000 -1500 -1000 -500 0 500

 =45º  =20º  =10º

 =45º  =20º  =10º

 (MPa)

 (MPa)

 =5º  =2º  =0º

 =5º  =2º  =0º

0

1

2

3

4

3.6 3.8 4 4.2 4.4 4.6

r (mm)

r (mm)

(a) (b) Figure 7 : Radial distribution of the hydrostatic stress for diverse circumferential coordinate  : (a) general plot and (b) detail plot near the rod surface (zone with strong gradients).

44