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Meeting MS&T23: Materials Science & Technology
Symposium High Temperature Corrosion and Degradation of Structural Materials
Presentation Title Liquid Metal Embrittlement Assessment of F82H in Li
Author(s) Marie Romedenne, Charles S. Hawkins, Dean Pierce, Bruce A. Pint
On-Site Speaker (Planned) Marie Romedenne
Abstract Scope The susceptibility to liquid metal embrittlement (LME) of reduced activation ferritic-martensitic (RAFM) steels, promising structural materials for fusion blankets and plasma facing components, was evaluated. Hollow tensile specimens of a RAFM-type steel F82H and a martensitic carbon steel 4340, known for its susceptibility to LME, were tensile tested while containing commercial liquid lithium to assess their LME susceptibility at 200 C after 1h at 200C or 400C. For the 4340 steel, LME was confirmed at 200 and 400 C and the specimens failed with little plastic deformation and the fracture surface exhibited a dimple structure at 200 C and failed in a brittle manner at 400C. The results of the tensile tests indicated that the F82H steel was not significantly susceptible to LME at both temperatures even after liquid metal corrosion exposure (500 h at 500C) The observed LME effects were evaluated in terms of metallurgic state and extent of decarburization in liquid lithium.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Ablation Resistance of Ultra-high Temperature Polymer-derived Ceramic-matrix Composites
Comparison and Mechanism of High-temperature Oxidation Behavior of Additively Manufactured Haynes 282 to Wrought Haynes 282 in Direct-fired Supercritical CO2 Power Cycle Environments
Corrosion Behavior of Compositionally Gradient Additively Manufactured 316L Stainless Steel Doped with Hafnium in Eutectic NaCl-MgCl2 Molten Salt at 700 °C
Cyclic Oxidation of NbTiZr Using a Resistive Heating System
Development of Ablation-Resistant, High Emittance Coatings for Carbon/Carbon Composites for Hypersonic Application
Discovery of High Entropy Rare Earth Disilicates for Extreme Environments
Effect of Gaseous Environments and Alloy/Coatings Composition on the Mixed Deposit-induced Degradation of Advanced Alloys/Coatings
Effect of Temperature and Impurities on the Oxidation Behavior of Ni-based Alloys in Hot CO2-rich Gases
Environmental Creep Behavior of Austenitic Steels in CO2
Evaluating Corrosivity of Molten Salts Using Halide Optical Basicity Index
Evolution of Interfacial Morphogenesis and Stability of Alloys in Harsh Environments
High-throughput Investigation of Microstructure & High Temperature Oxidation Behavior of CrMoNbTaW
High Temperature Materials Study for HCl+SO2 and HF+P2O5 Environments
High Temperature Oxidation Behavior of Zr vs ZrC
Impact of Environmental Barrier Coating Chemistries on the Oxidation of Si-base Materials
Intermediate Temperature Oxidation of Melt Infiltrated SiC/BN/SiC CMCs
Investigating Fifth Oxide Effect on CMXAS Glass Properties
Liquid Metal Embrittlement Assessment of F82H in Li
On the Thermodynamic Properties of CrTaO4: A Computational Perspective
Oxidation and Hot Corrosion Performance of Fe-Cr-Ni Based Alloys
Oxidation of Additively Manufactured AM-ZrB2-30vol%SiC under CO2 Exposure
Oxidation of B2-(Ru,Pd)Al Alloys for Bond Coat Applications
Solid Particle Erosion of Ceramic Matrix Composites and Environmental Barrier Coatings: Current Progress and Future Direction
Stress Assisted Corrosion Behavior of Al0.1CrCoFeNi High Entropy Alloy in a Molten NaCl-Na2SO 4 Salt
Surface Coatings Providing Protection Against High Temperatures and Corrosion in the Production of Coke
T91 Boiler Tube Oxidation Performance and Oxide Spallation in Supercritical Steam Thermal Cycling Conditions
Thermophysical Properties of Xenotime Inspired Rare Earth Phosphate EBCs

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