Gaseous Hydrogen Embrittlement of Materials in Energy Technologies

<p>Contributor contact details</p> <p>Introduction</p> <p>Part I: Mechanisms of hydrogen interactions with metals</p> <p>Chapter 1: Hydrogen adsorption on the surface of metals</p> <p>Abstract:</p> <p>1.1 Introduction</p> <p>1.2 Adsorption effect</p> <p>1.3 Elementary processes in adsorption</p> <p>1.4 The structure of the H–Me adsorption complex</p> <p>1.5 Kinetic equations and equilibrium</p> <p>1.6 Conclusions</p> <p>Chapter 2: Analysing hydrogen in metals: bulk thermal desorption spectroscopy (TDS) methods</p> <p>Abstract:</p> <p>2.1 Introduction</p> <p>2.2 Principle of thermal desorption spectroscopy (TDS) measurements</p> <p>2.3 Experimental aspects of thermal desorption spectroscopy (TDS)</p> <p>2.4 Complementary techniques</p> <p>2.5 Conclusion</p> <p>Chapter 3: Analyzing hydrogen in metals: surface techniques</p> <p>Abstract:</p> <p>3.1 Introduction</p> <p>3.2 Available techniques for analyzing hydrogen</p> <p>3.3 Methods for analyzing hydrogen in metals: basic principles</p> <p>3.4 Applications of hydrogen analysis methods</p> <p>3.5 Ion beam-based methods</p> <p>3.6 Conclusion</p> <p>Chapter 4: Hydrogen diffusion and trapping in metals</p> <p>Abstract:</p> <p>4.1 Introduction: hydrogen uptake</p> <p>4.2 Solubility of hydrogen in metals</p> <p>4.3 Principles of hydrogen diffusion and trapping</p> <p>4.4 Modelling of hydrogen diffusion and trapping</p> <p>4.5 Measurement of hydrogen diffusion</p> <p>4.6 Hydrogen diffusion data</p> <p>4.7 Conclusions</p> <p>4.8 Acknowledgements</p> <p>Chapter 5: Control of hydrogen embrittlement of metals by chemical inhibitors and coatings</p> <p>Abstract:</p> <p>5.1 Introduction</p> <p>5.2 Chemical barriers to hydrogen environment embrittlement (HEE): gaseous inhibitors</p> <p>5.3 Physical barriers to hydrogen environment embrittlement (HEE)</p> <p>5.4 Conclusions and future trends</p> <p>Chapter 6: The role of grain boundaries in hydrogen induced cracking (HIC) of steels</p> <p>Abstract:</p> <p>6.1 Introduction: modes of cracking</p> <p>6.2 Impurity effects</p> <p>6.3 Temper embrittlement and hydrogen</p> <p>6.4 Tempered-martensite embrittlement and hydrogen</p> <p>6.5 Future trends</p> <p>6.6 Conclusions</p> <p>Chapter 7: Influence of hydrogen on the behavior of dislocations</p> <p>Abstract:</p> <p>7.1 Introduction</p> <p>7.2 Dislocation motion</p> <p>7.3 Evidence for hydrogen dislocation interactions</p> <p>7.4 Discussion</p> <p>7.5 Conclusions</p> <p>7.6 Acknowledgements</p> <p>Part II: Modelling hydrogen embrittlement</p> <p>Chapter 8: Modeling hydrogen induced damage mechanisms in metals</p> <p>Abstract:</p> <p>8.1 Introduction</p> <p>8.2 Pros and cons of proposed mechanisms</p> <p>8.3 Evolution of decohesion models</p> <p>8.4 Evolution of shear localization models</p> <p>8.5 Summary</p> <p>8.6 Conclusions</p> <p>8.7 Acknowledgements</p> <p>Chapter 9: Hydrogen effects on the plasticity of face centred cubic (fcc) crystals</p> <p>Abstract:</p> <p>9.1 Introduction and scope</p> <p>9.2 Study of dynamic interactions and elastic binding by static strain ageing (SSA)</p> <p>9.3 Modelling in the framework of the elastic theory of discrete dislocations</p> <p>9.4 Experiments on face centred cubic (fcc) single crystals oriented for single glide</p> <p>9.5 Review of main conclusions</p> <p>9.6 Future trends</p> <p>Chapter 10: Continuum mechanics modeling of hydrogen embrittlement</p> <p>Abstract:</p> <p>10.1 Introduction</p> <p>10.2 Basic concepts</p> <p>10.3 Crack tip fields: asymptotic elastic and plastic solutions</p> <p>10.4 Crack tip fields: finite deformation blunting predictions</p> <p>10.5 Application of crack tip fields and additional considerations</p> <p>10.6 Stresses around dislocations and inclusions</p> <p>10.7 Conclusions</p> <p>10.8 Acknowledgement</p> <p>Chapter 11: Degradation models for hydrogen embrittlement</p> <p>Abstract:</p> <p>11.1 Introduction</p> <p>11.2 Subcritical intergranular cracking under gaseous hydrogen uptake</p> <p>11.3 Subcritical ductile cracking: gaseous hydrogen exposure at pressures less than 45 MPa or internal hydrogen</p> <p>11.4 Discussion</p> <p>11.5 Conclusions</p> <p>11.6 Acknowledgments</p> <p>Chapter 12: Effect of inelastic strain on hydrogen-assisted fracture of metals</p> <p>Abstract:</p> <p>12.1 Introduction</p> <p>12.2 Hydrogen embrittlement (HE) processes and assumptions</p> <p>12.3 Hydrogen damage models and assumptions</p> <p>12.4 Diffusion with dynamic trapping</p> <p>12.5 Discussion</p> <p>12.6 Conclusions</p> <p>12.8 Appendix: nomenclature</p> <p>Chapter 13: Development of service life prognosis systems for hydrogen energy devices</p> <p>Abstract:</p> <p>13.1 Introduction</p> <p>13.2 Current techniques for control of cracking in safety critical structures</p> <p>13.3 Future developments in crack control using prognostic systems</p> <p>13.4 Prognostic systems for crack control in hydrogen energy technologies</p> <p>13.5 Potential future research areas</p> <p>13.6 Conclusions</p> <p>Part III: The future</p> <p>Chapter 14: Gaseous hydrogen embrittlement of high performance metals in energy systems: future trends</p> <p>Abstract:</p> <p>14.1 Introduction</p> <p>14.2 Theory and modeling</p> <p>14.3 Nanoscale processes</p> <p>14.4 Dynamic crack tip processes</p> <p>14.5 Interfacial effects of hydrogen</p> <p>14.6 Measurement of localized hydrogen concentration</p> <p>14.7 Loading mode effects</p> <p>14.8 Hydrogen permeation barrier coatings</p> <p>14.9 Advances in codes and standards</p> <p>14.10 Conclusions</p> <p>Index</p>