PSI - Issue 2_B

So-Dam Lee et al. / Procedia Structural Integrity 2 (2016) 847–854 So-Dam LEE et al. / Structural Integrity Procedia 00 (2016) 000–000

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(a)

(b)

Fig. 3. Normalized C ( t ) and time comparison of Eq. (7) and FE using Eq. (2), (a) m = n =5, (b) m = n =10

(a)

(b)

(c)

Fig. 4. C ( t )/ C * and time of FE using Eq.(3) normalized by FE using Eq.(2), (a) m = n =5, (b) m = n =10 and (c) m = n =5 at smaller scale

(a)

(b)

(c)

Fig. 5. C ( t )/ C * and time of FE using Eq.(4) normalized by FE using Eq.(2), (a) m = n =5, (b) m = n =10 and (c) m = n =5 at smaller scale

3.3. Influence of plastic material properties on J(t) values

(1 ) n τ − −

J t J

n e

( ) (0) −

(9)

τ = +

φ

* C t

20

red