The Welding Engineer's Guide to Fracture and Fatigue

Dedication Woodhead Publishing Series in Welding and Other Joining Technologies Preface Part One: Principles of weld fracture and fatigue1: Designing engineered structures1.1 Introduction1.2 The first engineered structures1.3 Successful structures1.4 Materials and fabrication methods1.5 Industrialisation: benefits and consequences1.6 Conclusions2: Structures under load2.1 Introduction2.2 Sources of loading2.3 Types of loading2.4 Loads experienced during construction2.5 Design approach2.6 Axial and bending stresses2.7 Conclusions3: Welding problems and defects3.1 Introduction3.2 'Workmanship' defects3.3 Weldability3.4 Fabrication cracking in welds3.5 Other types of weld defect3.6 Welding residual stresses3.7 Distortion3.8 Conclusions4: Design for static loading4.1 Introduction4.2 Load-extension curves4.3 Stress-strain curves4.4 Static limit state design4.5 Conclusions5: Brittle fracture and the behaviour of cracks in structures5.1 Introduction5.2 Nature of brittle fracture5.3 The three factors for brittle fracture5.4 Ductile-to-brittle transition5.5 Welding and fabrication codes5.6 Principles of fracture mechanics5.7 Fracture toughness parameters5.8 Conclusions6: Structures under cyclic load6.1 Introduction6.2 Engineering perspective of fatigue6.3 Metallurgical perspective of fatigue6.4 Practical implications for a growing fatigue crack6.5 Conclusions7: Fatigue of welded joints7.1 Introduction7.2 Fatigue performance of welded joints7.3 Special features of welded joints7.4 Fatigue design of welded joints7.5 Stress histories of real structures: variable amplitude loading7.6 Fatigue of welded aluminium7.7 Conclusions8: Failure modes and analysis in metals8.1 Introduction8.2 Ductile failure8.3 Brittle fracture8.4 Fatigue failure8.5 Scanning electron microscopy (SEM) of fracture surfaces8.6 Interpreting fracture faces8.7 Corrosion8.8 Engineering failure investigations8.9 Conclusions Part Two: Testing, analysis and assessment of weld fracture and fatigue9:

Philippa Moore is a welding and structural integrity engineer at TWI Ltd., and lectures on a range of topics for the IWF Welding Engineer Diploma.