Issue 75

R. Ince et alii, Fracture and Structural Integrity, 75 (20YY) 435-462; DOI: 10.3221/IGF-ESIS.75.30

s un K Ic K Ic  MPa √ m

 a c mm

C i ×10 -6 mm/N

C s ×10 -6 mm/N

E MPa

CTOD c mm

K ini Ic MPa √ m

 Nc MPa

No

 0

 c

106-1 0.130 2.552 0.687 1.334 19891 0.234 106-3 0.100 2.146 0.774 1.538 13581 0.190 206-1 0.208 1.625 1.278 2.204 18015 0.314 206-2 0.203 1.669 1.338 2.325 16665 0.309 206-3 0.204 1.701 1.717 2.504 13094 0.275 306-1 0.312 1.544 2.039 2.995 19313 0.392 306-2 0.305 1.422 2.192 3.064 17365 0.375 406-1 0.406 1.006 2.929 4.726 21144 0.501 406-2 0.398 1.183 3.282 4.343 18138 0.455 406-3 0.400 1.226 2.825 4.127 21346 0.476

1.579 1.201 1.217 1.201 1.128 1.396 1.227 1.263 1.289 1.414 1.292 0.134 0.104 1.023 1.560 1.267 1.337 1.266 1.355 1.335 1.475 1.238 1.264 1.501 1.338 0.094 0.071 1.149 1.526

0.0210 0.640 5.21 0.0214 0.360 4.51 0.0173 0.340 5.09 0.0191 0.332 5.10 0.0180 0.411 3.39 0.0166 0.632 4.01 0.0149 0.528 3.50 0.0152 0.476 4.80 0.0134 0.682 2.90 0.0147 0.699 3.80 0.0172 0.510 4.23 0.0221 0.362 5.34 0.0213 0.505 4.17 0.0216 0.323 6.06 0.0222 0.433 5.52 0.0208 0.403 5.64 0.0204 0.530 5.98 0.0174 0.583 3.10 0.0142 0.544 4.00 0.0170 0.719 4.45 0.0197 0.489 4.92 0.0027 0.82 0.159 0.0117 0.0226 2.59 5.87

17855 2828 0.158 12199 23511

mean= 

Std= 

C.V.

19.43

 

107-1 0.109 1.786 0.885 1.860 15482 0.215 107-2 0.110 1.993 0.938 1.733 14720 0.193 207-1 0.211 1.351 1.644 3.070 17196 0.333 207-2 0.214 1.473 1.706 2.988 16820 0.324 207-3 0.193 1.517 1.419 2.556 17935 0.305 307-2 0.301 1.242 2.142 3.778 21031 0.418 307-3 0.310 1.195 3.349 4.510 14070 0.372 407-2 0.390 0.920 3.405 5.002 20336 0.468 407-3 0.410 0.996 3.557 5.522 21469 0.497

17673 2746 0.155 12182 23164

mean= 

0.0028

1.03

Std= 

C.V.

0.142

20.87

0.0141 0.0253

2.87 6.97

 

Table 3: Results of the compliance-based analysis for each data

s un K Ic K Ic  MPa √ m

 a c mm 3.06 3.65 3.00 3.03 3.17 3.26 2.98

CTOD c mm

K ini Ic MPa √ m

 Nc MPa

Group s/D

 0

 c

106 206 306 406 107 207 307 407

0.6 0.113 2.383 0.6 0.205 1.665 0.6 0.308 1.483 0.6 0.401 1.138 0.7 0.109 1.890 0.7 0.206 1.447 0.7 0.305 1.218 0.7 0.400 0.958

1.228

0.0195 0.174 0.512

0.281 0.461 0.368 0.589 0.461 0.616 0.271 0.504 0.364 0.585 0.456 0.628

1.221

0.0191 0.172 0.485

2.87 Table 4: Results of the TPM-based analysis for grouped data of SNDB specimen.

453