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dissertation global and local fracture properties of metal matrix ...

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Table 9.7. Data on stress for Specimen Al2O3-15-24h.<br />

Mechanism<br />

σ interf max<br />

[MPa]<br />

HRR-theory Mean-Field theory<br />

Composite Particle Matrix<br />

CODi<br />

[µm]<br />

CODvi<br />

[µm]<br />

θ<br />

[°]<br />

r<br />

[µm]<br />

Particle Size<br />

[µm]<br />

σ mean vi<br />

[MPa]<br />

σ eq vi<br />

σ max vi<br />

σ mean vi<br />

σ eq vi<br />

σ max vi<br />

σ mean vi<br />

σ eq vi<br />

[MPa]<br />

[MPa]<br />

[MPa]<br />

[MPa]<br />

[MPa]<br />

[MPa]<br />

[MPa]<br />

σ max vi<br />

[MPa]<br />

1 6x6 18.9 9 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

2 1x1 12.8 39 2 3 1145 369 931 1367 751 932 1106 341 931 1272 Dec.<br />

3 2x1 8.8 26 4 4 1186 370 971 1409 754 972 1146 343 971 1314 Dec.<br />

4 10x8 36.2 38 1 4 1079 346 878 1284 702 877 1043 320 879 1198 Fr.<br />

5 15x9 31.1 32 3 9 1127 355 921 1339 721 921 1089 329 921 1250 Fr.<br />

6 11x11 25.3 38 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

7 10x5 10 25 2 3 1151 359 943 1367 730 943 1113 333 943 1276 Fr.<br />

8 13x10 21.4 28 1.5 7…9 1112 348 910 1319 706 909 1076 323 910 1233 Fr.<br />

9 5x8 17.6 43 ≈0 2…4 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

10 6x24 34 12 ≈0 8 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

11 4x2 16.6 16 1.5 5 1117 347 916 1322 704 914 1080 321 916 1237 Dec.<br />

12 12x6 14.7 38 ≈0 0…1 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

13 14x7 17.9 42 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

14 4x7 19.1 45 2.5 3 1119 376 901 1346 765 902 1079 347 901 1248 Fr.<br />

15 7x8 14.2 10 3.5 4.5 1155 358 947 1369 728 947 1117 332 947 1279 Dec.<br />

16 6x20 64.6 67 ≈0 0…5 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

17 8x9 66 72 ≈0 0…5 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

18 6x27 79.7 68 ≈0 0…5 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

19 5x15 37.9 74 ≈0 0…6 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.<br />

20 3x7 34.2 74 ≈0 0…5 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Fr.

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