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Meeting 11th Conference on Trends in Welding Research + Additive Manufacturing (TWR+AM)
Symposium 11th Conference on Trends in Welding Research + Additive Manufacturing (TWR+AM)
Presentation Title Hybrid Laser Arc Welding Process Optimization to Mitigate Stress Corrosion Cracking in Dry Storage Canisters
Author(s) Luke Kumler, Boyd Panton, Boian Alexandrov
On-Site Speaker (Planned) Boyd Panton
Abstract Scope Spent nuclear fuel dry storage canisters (DSCs) made from austenitic stainless steels are susceptible to stress corrosion cracking (SCC) when exposed to chloride-rich environments during service. Hybrid laser arc welding (HLAW) provides benefits for manufacturing DSCs by producing full penetration joints with reduced heat input and increased joint gap tolerance compared to gas metal arc welding (GMAW) and laser beam welding (LBW) respectively. This study seeks to establish an HLAW process that mitigates the risk of SCC through minimizing residual tensile stresses (RTS). Full penetration single pass HLAW welds were produced, characterized, and compared with GMAW and LBW. Ongoing SCC testing is underway to compare susceptibility of each process. An FEA model of the HLAW process was developed using a computation design of experiment framework to assist process optimization and predict RTS and weld distortion. This work demonstrates current results related to HLAW development for improved SCC resistance.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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An Engineering Approach for Weld Creep Lifetime Assessment Based on Local Property Measurement
An Expansible Machine Learning Framework for Enhancing Resistance Spot Welding
Analysis of Low Transformation Temperature Welding Consumables- Distortion Control and Evolution of Stresses
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Assessing Accuracy of Solidification Cracking Criteria for Fusion Welding of High-Strength Aluminum in Houldcroft Weldability Test
Assessment of Wire Arc Additive Manufacturing (WAAM) for the Production of ER420 Cutting Dies
Comparison Between Single-Wire and Tandem WAAM for ASME B16.5 Flange Manufacturing
Controlling Interfacial Resolidification in Impact-Based Additive Manufacturing for Defect-Free Joining of Dissimilar Alloys
DED Arc Additive Solution -Fronius Cold Metal Transfer
Deep Learning Based System for Real-time Arc Welding Monitoring
Developing a Robust Friction Self-piercing Riveting Process for AA7075-AA7075–AA6022 3T Stack with a Thin Bottom Sheet Under Varied Manufacturing Conditions
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Diffusion Braze Repairs of Stationary Gas Turbine Engine Components, Past, Present and Future
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Dissimilar Metal Laser Welding of 304L Stainless Steel and Ti-6Al-4V with Vanadium Directed Energy Deposition Interlayers
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Effect of Welding Process-Induced Thermo-Mechanical Cycling on Ductility Dip Cracking in Welds of High-Cr Ni-base Filler Metals
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Exploratory Analysis of the Impact of Chemical Variations on the Predicted Solidification Cracking Susceptibility of Nickel Alloys
Extended CCT Diagram for Rapid Microstructure Formation in L-DED of 420 Stainless and Grade 91 Steels
From Applicable Machine Learning to Generalizable AI in Welding: Bridging Lab–Plant Gaps Across Machines and Applications
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High-Temperature Material Databases for Navy Structural Steels
How Deep Learning and Generative AI Advance Intelligent Welding Manufacturing
Hybrid Laser Arc Welding Process Optimization to Mitigate Stress Corrosion Cracking in Dry Storage Canisters
Improvement of the Fatigue Strength Through Machining Process in Stainless Steel Welds
Improving Fidelity of Residual Stress and Distortion Prediction for Welding and AM – Importance of Plasticity
In-Situ Monitoring of Weld Pool Dimensions and Estimation of Cooling Rates to Enable Feedback Control and Non-Destructive Evaluation
Interfacial Contact and Compliance Govern Keyhole Stability in Multilayer Foil Laser Welding
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Investigation of Microstructure, Crystallographic texture, and Improvement of Mechanical Properties of Nb Modified 312 LSi Stainless Steel (with Addition of 2%Nb) Manufactured Via (WAAM)
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Laser Powder Bed Fusion Alloy 625 Gas Tungsten Arc Weld Heat Affected Zone Microcracking
Laser Powder Bed Fusion of Group VI Transition Metals
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Linking Extended CCT Diagrams with In Situ Infrared Thermography for Spatially Resolved Phase Transformation Mapping in Additively Manufactured 410 Stainless Steel
Mechanics of the Solid-State Bonding Under Severe Thermomechanical Processes
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Nondestructive Testing of Additive Manufactured Aerospace Components
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Process–Structure–Property–Performance Relationships in Wire Arc Additive Manufacturing of Refractory alloy based Multi-Material Structures
Process Control in Multi-Material Tandem Wire-Arc Directed Energy Deposition of Functionally Graded Steels
Residual Stresses and Distortion: Welding Vs. Metal AM — Shared Physics with New Twists
Revealing High-Temperature Hydrogen Attack Mechanisms in SA516 Grade 70 Carbon Steel and Its Weldments Using an Integrated Experimental Approach
Robotic Wire Arc Additive Manufacturing of 316L Stainless Steel for Forging Preforms
Simulating Residual Stress and Distortion in Part-Scale – Fusion Welding and Metal Additive Manufacturing
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The Future is Now: Handheld Laser Beam Welding and the Revolution Under Way
Understanding and Addressing the Challenges of Laser Beam Welding in Space
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