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Meeting MS&T22: Materials Science & Technology
Symposium Steels for Sustainable Development
Presentation Title Through Thickness Microstructural Features for Optimum Ductility Performance In High Pressure Gaseous Hydrogen Pipelines
Author(s) Douglas Stalheim, Andrew Slifka, Aaron Litschewski
On-Site Speaker (Planned) Aaron Litschewski
Abstract Scope Hydrogen as an energy source, transported by either existing or new pipelines, to combat climate change is gaining momentum around the world. Significant degradation of key ductility properties of fracture toughness and fatigue crack growth rate of an API carbon steel pipeline in the presence of higher-pressure gaseous hydrogen has been well documented. Ductility performance is controlled by through thickness microstructural attributes. There are characteristics observed in API pipeline steels tested for fracture toughness and fatigue crack growth that suggest some through thickness microstructures perform better than others with increasing hydrogen pressure. In the data analysis done to date in these API pipeline steels some microstructural attributes observed show a more improved/stable fracture toughness and fatigue ductility performance up to 21 MPa hydrogen pressure. This presentation will discuss the observed common through thickness microstructure features in API steels that result in optimum ductility performance in high pressure gaseous hydrogen applications.


Cyclic Deformation and Strain Localization of Ferrite-pearlite Low Alloy Steel under Low-cycle Fatigue
Development of Evaluation Method of Low Alloy Steel in Hydron Environment Using Concurrent Cathodic Hydrogen Charging
Development of Ultra-high Strength TWIP Steel with Increased Corrosion Resistance
Evaluation of Heavy Gauges 690 MPa-class Offshore Steel Racks Required in Modern Wind Turbine Installation Vessels
Exploring the Impact of N Solubility and Trace Elements on the Creep Properties of P92 Steel
F-3: Suitability of 17-4 PH Stainless Steels as Choice Material for Compression Pumps Used in CCS (Carbon Capture And Storage) Systems
Influence of C and N on Hydrogen Embrittlement in 17Cr-10Ni-6Mn Stable Austenitic Stainless Steel
Low-density, Medium-Mn Steels for Lightweighting: Influence of Al content on Microstructure and Tensile Properties
Maximizing Scrap Recycling by Designing Cu Tolerant Steel Compositions
Mechanical Property Alterations through Hydrogen Trapping by Nanocarbide Dispersions in Steels
Microstructural Engineering of High Mn Duplex Steel to Achieve Low-cost, High-performance Solutions for Hydrogen Storage and Delivery
Probing Hydrogen-assisted Phase Transformations in Austenitic Stainless Steels Using Synchrotron X-ray Diffraction
Steel Developments for the Global Energy Transition
The Essence of Mo and Ni Alloying in Steels for Renewable Power Generation
Through Thickness Microstructural Features for Optimum Ductility Performance In High Pressure Gaseous Hydrogen Pipelines

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