1 697

ECF7_vol 2

A Combined Numerical-Experimental Investigation of Influence Microstructure on Fracture Toughness Microalloyed Steel 1
A Generalized Crack Growth Criterion - Simplified JR-Testing 4
A Geometrical Model for Fatigue Crack-Closure 7
A Hybrid Method for Determining Stress Intensity Factors 16
A New Procedure for Calculating COD from the Plastic-Clip-Gauge Displacement for CT Specimens 20
A Simplified Key-Curve Procedure for J-R-Curve Testing of CT-Specimens 23
Acoustic Emission Generated by the Crack Propagation 32
Analysis of the Crack Propagation under Biaxial Cyclic Load Taking into Account their Orientation 35
Analysis of the Specimen Size Effect on the Fracture Toughness Lower Bound Curves 44
Anisothermal Ductile Crack Growth in an Austenitic Stainless Steel Weldment 47
Application of Local Approach of Ductile Fracture to Thermal Shock Loadings 50
Application of Micro Moire Technique for Verification of Fracture Concepts 61
Application of the ASPEF Concept for Estimation of Material Behaviour under Cyclic Loading 64
Coexistence of Fatigue Softening and Fatigue Hardening in Quenched Plus Tempered Carburized Carbon Steel 71
Comparison of the Proposed Polish Standard for Evaluation of the Critical J-Integral Value with the ASTM and JSME Standards 80
Computations and Experiments on the Integrity of Components Containing Part- Through Cracks 86
Computer Controlled Testing Equipments for Fracture Mechanical Purposes 94
Correlation of Fracture Mechanics Parameters with Charpy-Energy Based on Statistical Evaluation 97
Crack Closure Behaviour of Iron in Air and Vacuum 100
Crack Growth in Cast Irons under Static and Cyclic Loading 103
Crack Initiation and Early Crack Growth in Low Cycle Fatigue of Anodized 2024 Aluminium Alloy 106
Crack Initiation and Small Crack Behaviour in a Copper Based PM Alloy 112
Creep Crack Growth Behaviour of Selected Turbine Steels 115
Creep Damage of Power Plant Components and Remanent Life Assessment 119
Critical Parameters of Ductile Fracture 122
Cyclic Hardening of B.C.C. Iron Alloys Single Crystals 128
Damage Accumulation and Fracture of Engineering Materials Subjected to Impuls Loading 131
Damage Concept in Weldments 134
Determination of Creep Crack Growth in the Long-Term Range 1053 140
Determination of the Dynamic Fracture Toughness Using Subsized Specimens 143
Development of Fatigue Fractures in Steel with Different Types of Surface Plastic Deformation 150
Dynamic Fracture Toughness Determination of Ductile Steels by Instrumented Charpy Test 156
Dynamic Mechanical and Fracture Properties of Reactor Pressure Vessel Steel 165
Effect of Heat Treatment on the Fracture Toughness, the Notch Toughness and the Fatigue limit of Some HSLA Steels 168
Effect of Local Strain in Stress Corrosion Testing 172
Effect of Prior Austenite Grain Size on the Notch Toughness and the Fracture Surface Morphology of EHSLA Steel 175
Effect of Residual Stresses on Fatigue Crack Propagation at Room Temperature in Ferritic-Austenitic Welded Joint 178
Effect of Stress State Type on Fracture of Austenitic Steel under Thermal Cycling Conditions 181
Effect of Thermomechanical Treatment on Tensile Properties and Fatigue Strength in 7012 A1 Alloy 184
Effects of Temperature on Overload Retardation in 9%Cr- l%Mo Steel 188
Equilibrium Fracture Stress (EFS) — New Parameter for Toughness of Microstructures in Steel 191
Erosion Resistance of Metal Matrix Composites 200
Estimations on Jjc in View of Fractio-graphic Analysis 212
Evaluation of Fatigue Damaging by Changes Modulus Defect Measuring 215
Experimental Determination of J-Integral by Using the Laser Speckle Method 218
Experimental Technique for Biaxial Testings of Failure on Semi-Brittle Steels 226
Extrapolation of Stress Intensity Factors Based on Discrete Experimental Results 229
Failure Analysis of Welded Wide Plates Using Fracture Mechanics Concepts 237
Failure Behaviour of Wide Plates with Different Geometries and its Prediction Based on Fracture Mechanics 240
Fatigue and Fracture Behaviour of Two Tool Steels 251
Fatigue and Fretting — Fatigue Fracture of Hot Rolled Carburizing Steel 254
Fatigue Behaviour of Austenitic Cr-Mn-N Steels Used for Drill- Collars 257
Fatigue Crack Growth in Large Web Deflection 260
Fatigue Crack Growth Under Mixed Mode and Mode II Cyclic Loading 263
Fatigue Crack Propagation in a Single Crystal Superalloy at Elevated Temperature 273
Fatigue Crack Propagation in Al-Zn-Mg Single Crystals and its Dependence on the Environment 276
Fatigue Failure Analysis by X- Ray Fractography 279
Fatigue Limit Determination Based on the Yiedl Stress and Residual Stresses in the Metal Surface Layer 287
Fracture Behaviour of Al-Li Alloys Compared to Conventional High Strength Al Alloys 290
Fracture Mechanics Assessment of an AlMg4.5Mn Weld Joint 293
Fracture Mechanism Study - Can Quantitative Fractography Help 296
Fracture of Creep-Rupture Specimens in Liquid Sodium at 550 °C 299
Fracture Properties Evaluation from Dynamic Tensile Testing 302
Fracture Toughness of Low - Temperature 10N2 and 10N3 Steels 305
Fracture Toughness Prediction of Structural Ferrite -Bainitic Stells 308
Frequency Effects in Slant Fatigue Crack Growth 314
Further Evidence on the Normalisation of J—R Curves 318
High Frequency — Cracktronic — Machine for Making Fatigue Cracks on Notched Bar Impact Test 321
High- Temperature Fracture Toughness of Tungsten and Tungsten- Based Alloys 324
High-Temperature Crack Growth in Alloy 800H and a 1% CrMoV Steel - the Results of an EGF Round Robin 333
Hydrogen Assisted Nucleation and Growth of Macrocracks in Metals 346
Hydrogen Embrittlement of Al-Li Alloys (8090 and 2091) 349
Impact Toughness of Steels for Cryogenic Application 354
Implicit Numerical Integration Schemes in the Problems of Creep and Cyclic Plasticity 357
Improvement of Ti-6A1-4V Fracture Toughness by Heat Treatment 360
Influence of Aging on the Fracture Toughness Properties of Austenitic Stainless Steel Materials 363
Influence of Electropolishing on the Impact Characteristics of Pressure Vessel Steels 366
Influence of Fixing Parameters of Ortothropic Plates from Composite upon Quantity of Coefficient of Stress Intensity 369
Influence of Microstructure on Fracture Toughness in the H 75—3 Bainitic Steel Grade 375
Influence of Residual Stresses, Generated During Precracking, in Stress Corrosion Tests 378
Influence of Water Environments on Fracture Toughness of an A508 Class 3 Forging 386
Initiation and Short Crack Growth in Fatigued 13Cr-6Ni-0.5Mo Cast Steel 389
Instrumented DT Tests and Transition Criteria 392
Internal Stresses and Crack Initiation in Asymmetrically Hardened Steel Bars Subsequently Surface Machined by Grinding 395
Investigation of Fracture Features in Cr-Mo Steel after Different thermomechanical Treatments 398
Investigations on Ductility and Fracture of Compound Steel Weldments 401
Measurement of Dynamic Stress Intensity Factor under Impact Loading 418
Measurements of Crack Growth by Means of Continuous Sound During Instrumental Charpy-Test 426
Micromechanisms and Local Approach of Fracture in a Pearlitic Steel 429
Microstructural and Environmental Effects on Fatigue Crack Propagation of Constructional Steel 438
Microstructural and Mechanical Characteristics of Destructed Metal Taken from Elements Subjected to Creep in Thermal Power Stations 447
On Crack Closure in Fatigue Crack Growth 450
On the Influence of Microstructure upon Crack Propagation Mechanism and Fracture Toughness 468
On the Path-Stability of Standard and Side - Grooved DCB - Specimen 477
On The Relationship Between Microscopic Cleavage Fracture Stress and Microstructural Parameters in a Cast Hot Work Tool Steel 480
Predicting Fracture in Aluminium Weldments 483
Prediction of Fatigue Life in Fillet Welded Joiints Including Geometry Effects 496
Probabilistic Fracture Mechanics Approach to Brittle Failure 499
Probabilistic Peculiarities of Ceramic Bodies Fracture 512
Reliability Evaluation of Carbon and Low-Alloy Steel Products for High Temperature Service 515
Research of Fracture Resistance of 15Kh2MFA Pressure Steel on Specimens of Natural Thickness 518
Results of Round Robin Tests of Fracture Mechanics Parameters Within CMEA Countries 521
Role of Ferrite on the Cyclic Behavior of a 12 Cr Martensitic Stainless Steel 531
SEM Study of Crack Initiation and Propagation in High Speed Steel 537
Service Fatigue Life as a Function of Random Load Factors 540
Some Experimental Observations on Cyclic Creep under Magnetic Field 547
Spall Fracture in Ductile Metals 555
Stable Crack Growth Failure of Al - Si Bronze 563
Stretched Zone Stereoscopic Measurements as an Independent Control of Material Fracture Toughness 566
Study on Fatigue Crack Growth Across Steel Plates Susceptible to Lamellar Tearing 575
Survey of parameters estimation methods 579
Temperature and Frequency Effects on Fatigue Crack Propagation 583
Testing of Cracking Sensitive Materials by the Method of X - Ray Fractographic 589
Testing of Plastic Deformation and Crack Propagation by the Electrical Potential Method 591
The Development of a Plastic Hinge Ahead of a Growing Crack 594
The Distribution of Stress-Intensity Factors for a Large Crack Distributed by a Small Crack 597
The Effect of Intercrystalline Decohesion on Fracture Toughness of Ultra-High Strength Steels 603
The Effect of J-Integral Estimation Procedure and Side-Grooving on J-Resistance Curves for A533 B Steel 606
The Effect of Reductions in Maximum Cyclic Load on Fatigue Crack Propagation 609
The Effect of Stress Level on Short Crack Growth Rates in Nimonic AP-1 613
The Effect of the Grain Size on the Critical Depth for the Evaluation of Long-life Fatigue Strength Using the Critical Depth Criterion 621
The Influence of a Static Shear Load on Slow Mode I Fatigue Crack Growth 624
The Influence of Damages on Crack Initiation in the Overheating Zone of Welded Joints 633
The Influence of Environment and Metallurgical Factors on Fatigue Crack Growth of High Strength Steel 636
The Influence of Intercritical Annealing on Stress Corrosion Cracking Behavior of High Strength Steel 639
The Influence of Microstructure on the Hydrogen Induced Cracking Susceptibility of High Strength Steel 642
The Influence of Step-Cooling Heat Treatment on the Fracture Behaviour of 2.25 Cr - 1 Mo Steel 651
The Method of Defect Parameter Evaluation by Magnetic Field 654
The Propagation of Small Trans- granular Surface Cracks in High-Temperature Low-Cycle Fatigue 656
The Regularity of Fatigue Cracks Initiation in Surface Hardened Steel 659
The Strength Deterioration of Steel Adhesive Joint in Aqueous Environment 664
The Use of Quantitative Fractography in Fatigue Crack Growth Studies 673
Utilization of Stray (Fringing) Fields Mathematical Modell in Defects Growth Tracing in the Monitored Objects with the Aid of Electronic Computer 693
X - Ray Analysis of Low-Alloy Steel from Steam Pipings Subjected to Creep 695

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