Zhili Feng Distinguished R&D Staff and Group Leader, Materials Joining Contact fengz@ornl.gov | 865.576.3797 All Publications A mechanistic interpretation of Nelson curves for PVP failures under high temperature hydrogen attack Identifying multiple synergistic factors on the susceptibility to stress relaxation cracking in variously heat-treated weldments Effect of die design on microstructure and mechanical joint strength in friction self-piercing riveted AA7055-T76 and AA7055-T76 Microstructure and Mechanical Performance of X120 Linepipe Steel in High-Pressure Hydrogen Gas Microstructure and Creep Performance of Wire Arc Additive Manufactured Grade 91 Steel... Extending Ultrasonic Welding Techniques to New Material Pairs (FY 2023 Annual Progress Report)... High performance aluminum-air flow batteries through double-face architecture and laser-modified and friction-stir processed 3D anode Microstructure and mechanical properties of ultrasonic spot welding of AA7075-T6 and A380 casting aluminum alloy Crack-Free Joining of High-Strength AA7055 Sheets by Friction Based Self-Piercing Riveting with the Aid of Numerical Design Modal Analysis of Ultrasonic Spot Welding for Lightweight Metals Joining Report on FY 2023 Welding R&D at ORNL in support of ASME Alloy 709 Code Case Development Develop a Fast Analysis Solver for Welding Sequence Optimization... Complete the first phase of the comprehensive characterization of repair welding performed on irradiated Ni alloy 182 Interfacial microstructure and mechanical properties of rotary inertia friction welded dissimilar 422 martensitic stainless steel to 4140 low alloy steel joints A Study of Stress Relaxation Cracking Mechanism in a 347h Steel Pipe-Shoe Weldment After Five-Year Service Di-CNN: Domain-Knowledge-Informed Convolutional Neural Network for Manufacturing Quality Prediction... Friction Extrusion: Solid-State Metal Synthesis and Recycling in Sustainable Manufacturing The Role of Rotation Speed on the Joint Strength of Frictional Self-Piercing Riveting AA7055-T76/AA7055-T76 Collaborative Study on Weldability of Irradiated Stainless Steel 304 Materials Removed from the NRU Reactor Galvanic corrosion of AZ31B joined to dual-phase steel with and without Zn layer by ultrasonic and friction stir welding Weldability of irradiated Stainless Steel 304 materials harvested from the National Research Universal (NRU) reactor... Joining of High Strength Low Ductility AA7055 by Friction Self-piercing Rivet... A New Perspective of Post-Weld Baking Effect on Al-Steel Resistance Spot Weld Properties through Machine Learning and Finite Element Modeling Crack-free 30% Chromium-Nickel Alloy Welding Products for Nuclear Service... Complete the weld campaign on Ni-base irradiated materials using stress improved laser welding including the preliminary weld quality inspections Pagination Current page 1 Page 2 Page 3 … Next page ›› Last page Last » Key Links ORCID Organizations Physical Sciences Directorate Materials Science and Technology Division Materials Structure and Processing Science Section Materials Joining Group