PSI - Issue 32

Andrey Yu. Fedorov et al. / Procedia Structural Integrity 32 (2021) 194–201 A.Yu. Fedorov et al. / Structural Integrity Procedia 00 (2021) 000–000

200

7

a

b

 

 

 x , %

 x , %

 

 





1

E/E 1

1

E/E 1

5 10 25 50 75

5

10 25 50 75

 

 

 

 

100

100

 

 

3 5 10 12 2 4 6 7 8 9 11



3 5 10 12 2 4 6 7 8 9 11



t/t 1

t/t 1

Fig. 7. Dependences of ε x on the ratio of elastic moduli E / E 1 and the ratio of thicknesses t / t 1 at ν = ν 1 = 0 . 3, l y / l x = 0 . 15 for two load conditions: a) P x = 1, P y = 0; b) P x = 0, P y = 1.

a

b

 

 

 x , %

 x , %

 

 





5 10 25 50 75

1

E/E 1

1

E/E 1

5

10 25 50 75

 

 

 

 

100

100

 

 

3 5 10 12 2 4 6 7 8 9 11



3 5 10 12 2 4 6 7 8 9 11



t/t 1

t/t 1

Fig. 8. Dependences of ε x on the ratio of elastic moduli E / E 1 and the ratio of thicknesses t / t 1 at ν = ν 1 = 0 . 3, l y / l x = 0 . 3 for two load conditions: a) P x = 1, P y = 0; b) P x = 0, P y = 1.

strains. These results can be used for estimating the possibility of application of the selected substrate-bonded FBG sensor, as well as other sensors on substrates.