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

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Table 9.12. Data on stress for Specimen Al2O3-20-200h. Mechanism σ interf max [MPa] HRR-theory Mean-Field theory Composite Particle Matrix CODi [µm] CODvi [µm] θ [°] r [µm] Particle Size [µm] σ mean vi [MPa] σ eq vi σ max vi σ mean vi σ eq vi σ max vi σ mean vi σ eq vi [MPa] [MPa] [MPa] [MPa] [MPa] [MPa] [MPa] σ max vi [MPa] 1 6x9 45 48 4 4 1067 367 854 1258 700 851 1019 329 854 1183 Fr. 2 12x25 25,0 9 8 8 1127 349 923 1290 655 908 1086 315 927 1238 Dec. 3 9x12 24,8 50 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 ≈0 Dec. 4 8x19 47,0 52 3 4 1035 368 821 1228 703 819 987 329 822 1150 Fr. 5 14x25 75,0 58 4 5 993 372 777 1189 712 776 944 332 777 1109 Fr. 6 20x9 15,9 12 2 4 1100 341 899 1239 626 871 1065 309 906 1208 Fr. 7 4x8 32,0 50 1 1 1027 359 818 1208 681 812 981 321 819 1139 Fr. 8 12x18 26,0 53 3 3.5 1046 376 828 1245 719 828 996 336 828 1164 Dec. 9 10x26 39,0 52 1 2 1010 359 801 1191 681 795 965 322 803 1123 Fr. 10 10x12 17,0 28 3,5 5 1121 351 916 1288 660 903 1079 316 919 1232 Dec. 11 19x24 22,4 26 2 2 1095 342 894 1237 629 867 1059 309 901 1203 Dec. 12 11x23 35,0 34 2,5 4 1092 346 890 1245 642 869 1054 312 895 1202 Dec. 13 12x9 17,8 54 4 5 1058 383 836 1263 735 837 1007 342 836 1178 Fr. 14 19x8 40,6 64 3 3 961 380 741 1163 728 741 911 338 741 1079 Fr. 15 19x14 36,5 34 4,5 8 1108 351 904 1275 659 891 1067 316 907 1220 Dec.
Table 9.13. Data on stress for Specimen SiC-10-15min. Mechanism σ interf max [MPa] HRR-theory Mean-Field theory Composite Particle Matrix CODi [µm] CODvi [µm] θ [°] r [µm] Particle Size [µm] σ mean vi [MPa] σ eq vi σ max vi σ mean vi σ eq vi σ max vi σ mean vi σ eq vi [MPa] [MPa] [MPa] [MPa] [MPa] [MPa] [MPa] σ max vi [MPa] 1 135x85 174 47 10 12 610 210 488 736 443 479 596 199 490 687 Fr. 2 100x60 114 54 15 15 689 261 538 856 558 532 670 247 538 785 Fr. 3 85x35 280 58 42 42 693 276 533 871 591 528 673 261 533 794 Fr. 4 80x65 215 53 21 21 657 245 514 812 524 508 640 232 515 746 Fr. 5 160x80 461 74 60 60 617 296 446 811 635 443 596 278 446 724 Fr. 6 85x130 308 61 64 64 722 298 550 917 640 546 701 281 550 831 Fr. 7 160x100 204 55 28 30 692 266 537 862 570 532 673 252 538 789 Fr. 8 150x90 458 69 59 59 636 288 469 824 619 465 615 271 469 740 Fr. 9 170x55 288 70 20 20 568 260 417 735 557 412 549 245 417 662 Fr. 10 100x45 180 71 10 12 543 251 398 704 537 393 525 237 398 635 Fr. 11 140x105 291 65 26 26 610 264 457 780 565 453 591 249 458 706 Fr. 12 170x70 266 71 25 28 595 275 435 773 590 431 575 259 436 694 Fr. 13 60x60 235 56 8 10 540 210 418 667 443 410 526 198 419 616 Fr. 14 125x75 169 72 10 10 545 256 397 709 546 393 527 240 398 637 Fr. 15 105x120 51 48 14 16 800 279 638 981 599 633 780 265 639 903 Fr.
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MONTANUNIVERSITÄT MONTANUNIVERSIT
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TABLE OF CONTENTS 1. Introduction 5
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7.4.4. The effect of ECAP on the lo
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Section 1 The main results of this
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Section 2 2.2. The influence of the
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Section 2 high strength, fine reinf
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Section 2 etched to mark the inclus
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Section 2 (4.) The specimen prepara
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Section 3 Fig. 3.1. The digital ele
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height [µm] height [µm] 10 0 -10
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Section 3 Fig. 3.5. The observation
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Section 3 3.3.2. The determination
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Section 3 The Eshelby tensor does n
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equivalent stress Section 3 Fig. 3.
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Assume σ m eq Calculate matrix sec
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Section 4 Table 4.1. Chemical compo
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4.1.1.3. Fracture mechanics tests S
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Section 4 Fig. 4.4. A view of a com
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Section 4 Table 4.3. Mechanical pro
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εfr [%] εfr [%] N 16 12 8 4 0 150
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Section 4 4.2. The effect of the he
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Section 4 It should be noted that n
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CODi [µm] 40 30 20 10 0 Section 4
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Section 4 Table 4.4. Results of the
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CODi [µm] COD i [µm] CODi [µm] 2
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Cast MMCs 10%-RT 10%-8h 10%-24h 10%
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COD vi [µm] COD vi [µm] CODvi [µ
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CODvi [µm] CODvi [µm] 80 60 40 20
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Section 4 Table 4.6. The values of
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σ p max [MPa] σ p max [MPa] σ p
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σ p max [MPa] σ p max [MPa] 1200
Page 63 and 64: σ interf max [MPa] σ interf max [
Page 65 and 66: Section 4 4.5. The relation between
Page 67 and 68: Section 4 Table 4.9. Conditions for
Page 69 and 70: Ln(Ln(1/(1-F σ))) Ln(Ln(1/(1-F σ)
Page 71 and 72: Section 5 diameter of 2…8 µm and
Page 73 and 74: MnS-inclusion r θ MnS-inclusion Se
Page 75 and 76: σ interf [MPa] σ interf [MPa] σ
Page 77 and 78: Section 6 where n is the number of
Page 79 and 80: Ji [kN/m] J i [kN/m] 25 20 15 10 5
Page 81 and 82: Section 7 7.2. A model by Tan and Z
Page 83 and 84: Section 7 its initial length, li. O
Page 85 and 86: 1 µm Section 7 5 µm Fig. 7.3. A s
Page 87 and 88: Section 7 a) b) c) Fig. 7.4. Micros
Page 89 and 90: Section 7 It is important that no p
Page 91 and 92: Section 7 between the Rtot and the
Page 93 and 94: Section 7 Fig. 7.8. The fracture su
Page 95 and 96: 10 z [mm] 5 -10 -15 Section 7 0 -20
Page 97 and 98: Section 7 Table 7.3. Data on measur
Page 99 and 100: 8. Summary Section 8 This work deal
Page 101 and 102: Section 8 The effect of the homogen
Page 103 and 104: Table 9.1. Data on stress for Speci
Page 113: Table 9.11. Data on stress for Spec
Page 117 and 118: Table 9.15. Data on stress for Spec
Page 119 and 120: Table 9.17. Results of the stereoph
Page 121 and 122: 1 2 1 2 3 3 4 5 6 5 9 119 7 7 8 9 6
Page 123 and 124: 8 9 10 6 10 122 11 12 13 14 11 12 1
Page 125 and 126: 9 10 11 12 13 124 50 µm Fig. 9.6.
Page 127 and 128: 1 2 1 2 3 3 4 4 126 5 5 6 9 7 50 µ
Page 129 and 130: 1 1 2 2 3 4 3 4 5 5 128 6 7 6 7 50
Page 131 and 132: Fig. 9.12. Fracture surface with ma
Page 133 and 134: 1 2 3 1 2 3 4 5 6 7 8 9 10 4 5 132
Page 155 and 156: Fig. 12.36. Fracture surface of the
Page 157 and 158: [14] Lewandowski JJ, Liu C, Hunt WH
Page 159 and 160: [42] Rice JR, Rosengren GF. Plane s
Page 161 and 162: [70] ASTM E1820-01, “Standard Tes
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