PSI - Issue 2_A

G. Meneghetti et al. / Procedia Structural Integrity 2 (2016) 2255–2262 Author name / Structural Integrity Procedia 00 (2016) 000–000

2259

5

(b) 30

30

(a)

 an [MPa]

 an [MPa]

10

EA209 V05 R2 R10

10

R2025 V05 R2 R10

k=12.3  An,50% =10.5 MPa T  =1.34

k=14.5  An,50% =10.6 MPa T  =1.27

5

5

1

10

10 3

10 4

10 5 10 6 10 7

10 2

1

10

10 2 10 3 10 4

10 5 10 6 10 7

N f , number of cycles to failure

N f , number of cycles to failure

(c)

(d)

30

30

EA209 V05 R2 R10 R2025 V05 R2 R10

 an [MPa]

 an [MPa]

k=12.9  An,50% =10.5 MPa T  =1.29

10

10

R2100 V05 R2 R10

k=16.4  An,50% =8.38 MPa T  =1.27

5

5

10 2 10 3 10 4

10 5 10 6 10 7

1

10

1

10

10 2

10 3

10 4 10 5 10 6 10 7

N f , number of cycles to failure

N f , number of cycles to failure

Fig. 2. Fatigue data and stress-life curve for a) EA209, b) R2025, c) R2100 and d) EA2090 & R2025 plain and notched specimens

30

EA209 & R2025  An,50% =10.5 MPa k=12.9 T  =1.29

 y =19.5 MPa

 y =15.5 MPa

 an [MPa]

10

R2100  An,50% =8.38 MPa k=16.4 T  =1.27

N S =83

N S =670

5

1

10

10 2

10 3

10 4

10 5

10 6

10 7

N f , number of cycles to failure

Fig. 3 Fatigue design curves for EA209 & R2025 compounds and for R2100 material