Fracture, Fatigue, Failure and Damage Evolution , Volume 3

Preface	6
Contents	7
1 Influence of Fracture and Delayed Effects on Steel-Concrete Composite Structures	9
1.1 Introduction	9
1.2 Material and Methods	10
1.2.1 Materials: Preflex Beam	10
1.2.2 Modelling Steps	10
1.3 Results and Discussion	12
1.3.1 Crack Opening with First Reinforcement	12
1.3.2 Crack Opening with Second Reinforcement	12
1.4 Conclusion	13
References	14
2 Characterization of High Frequency Pulse Loading on Fatigue of Metals	15
2.1 Introduction	15
2.2 Description of Experiments	17
2.3 Test Matrix for HF Pulse Loading Conditions	19
2.4 Experimental Results	20
2.5 Crack Kinking Behavior	22
2.6 Effects of HF Pulse on Da/DN	24
2.7 Conclusions	25
2.8 Future Work	25
References	26
3 Fracture Parameters and Failure Visualization of Al6063-T6 Under Different Loading Rates	27
3.1 Introduction	27
3.2 Material and Specimen Preparation	28
3.3 Experimental Procedure	28
3.3.1 Quasi-Static Test	28
3.3.2 Dynamic Test	29
3.3.3 Dynamic Stress Intensity Factor (DSIF)	29
3.4 Result and Discussion	30
3.4.1 Quasi-Static Results	30
3.4.2 Dynamic Experimental Results	31
3.5 Conclusion	34
References	34
4 Fatigue Life Prediction of Natural Rubber in Antivibratory Applications	36
4.1 Introduction	36
4.2 State of the art on the fatigue of NR	37
4.3 Experimental Setup	37
4.3.1 Material and Sample Geometry	37
4.3.2 Loading Conditions	37
4.3.3 End-of-Life Criterion	38
4.3.4 Scanning Electron Microscopy	38
4.4 Effect of Temperature and Loading on the Fatigue Behavior	38
4.4.1 Fatigue Results at 23C	38
4.4.2 Effect of Temperature	39
4.4.3 Discussion	40
4.5 Fatigue Life Correlation	40
4.5.1 Fatigue Life Correlation Conditions	40
4.5.2 Results	41
4.6 Conclusion	42
References	42
5 Fatigue Assessment of Porosity in Electron Beam Melted Ti-6Al-4V	44
5.1 Method	45
5.2 Results and Discussion	46
5.3 Conclusion	49
References	50
6 Bayesian Updating of a Cracking Model for Reinforced Concrete Structures Subjected to Static and Cyclic Loadings	51
6.1 Introduction	51
6.2 Constitutive Equations of the Damage Model	52
6.3 Numerical Implementation and Parameters Updating	52
6.3.1 Problem Description	52
6.3.2 Mechanical Model	53
6.3.3 Bayesian Configuration and Updating	53
6.4 Results and Discussions	54
6.5 Conclusion	54
References	55
7 Crack Jumping in Fabric Composite Fracture Testing	56
7.1 Introduction	56
7.2 Background	57
7.3 Analysis	58
Reference	59
8 Effect of Crack-Parallel Compression or Tension on Mode-I Fracture Energy of Quasibrittle Material – As Applied to Concrete	60
8.1 Introduction	60
8.2 Background	61
8.3 Analysis	61
8.4 Conclusion	63
References	64
9 Modal Validation of Academic Bladed Disk with DIC	65
9.1 Introduction	65
9.2 Experimental Procedure	66
9.3 Experimental Results	66
9.4 Conclusions	67
References	68
10 Assessing Bond Strength in 304L Stainless Steel Plate Welded Using Plastic Explosives	69
10.1 Introduction	69
10.2 Background	69
10.3 Analysis	70
10.4 Conclusion	71
References	71
11 Real-Time Visualization of Damage Progression Inside GFRCs via High-Speed X-Ray PCI Technique	72
11.1 Introduction	72
11.2 Materials and Methods	73
11.3 Results and Discussions	73
11.4 Conclusion	74
References	74
12 Watching High-Cycle Fatigue with Automated Scanning Electron Microscope Experiments	76
12.1 Introduction	76
12.2 Background	76
12.3 Analysis	77
12.4 Conclusion	77
References	78
13 Determination of Mixed-Mode (I/III) Fracture of Polycarbonate	80
13.1 Introduction	80
13.2 Determination of Material Behavior of PC	81
13.2.1 Specimen Preparation and Experimental Setup	81
13.2.2 Uniaxial Tension Response	81
13.3 Determination of Mixed-Mode Fracture Parameters	83
13.3.1 Specimen Preparation	83
13.3.2 Fracture Load Measurement	83
13.3.3 Numerical Computation of SIFs and J-Integral	84
13.4 Conclusion	85
References	85
14 Influence of Dynamic Multiaxial Transverse Loading on Dyneema® SK76 Single Fiber Failure	87
14.1 Introduction	87
14.2 Experimental Setup	88
14.3 Results and Discussion	89
14.4 Conclusions	91
References	94
15 Using Crack Geometry to Determine Fracture Properties	95
15.1 Introduction	95
15.2 Background	96
15.3 Summary of Experiment and Results	97
References	98
16 Dynamic Fracture-Toughness Testing of a Hierarchically Nano-Structured Solid	99
16.1 Introduction	99
16.2 Background	100
16.3 Analysis	100
16.4 Conclusion	102
References	102

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