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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Friction Stir Welding and Processing XI
Presentation Title Preliminary Investigation of the Effect of Temperature Control in Friction Stir Welding
Author(s) Johnathon B. Hunt, David Pearl, Carter Hamilton, Yuri Hovanski
On-Site Speaker (Planned) Johnathon B. Hunt
Abstract Scope Friction stir welding (FSW) is an advantageous solid-state joining process, suitable for many hard to weld materials in the energy, aerospace, naval and automotive industries. Precipitation strengthened alloys, specifically 2XXX and 7XXX series aluminum alloys, are often joined by FSW to protect the strength of the materials and to avoid cracking. To maximize the strength of FSW joints in these precipitation hardened alloys, the thermal input affect must be better understood. The authors hypothesised that controlling the welding temperature under the dissolution temperature would result in stronger joints. To test the main hypothesis single alloy friction stir “butt” welds were produced, from aluminum 2024-T351 and 7075-T651 alloys, and tensile tested. Spindle speed proportional–integral–derivative (PID) temperature control was implemented to achieve sub-dissolution welding temperatures. This preliminary study will supply additional research to better understand the resulting microstructure, weld properties of sub-dissolution FSW. In addition, a numerical simulation to represent the temperature distribution will be built. Then optimized FSW temperatures could be predicted and tested in these alloys.
Proceedings Inclusion? Planned:
Keywords Other, Other, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Friction Stir Deposition for Repair and Cladding Applications
Advances in High Temperature FSW: Single Use Tools
Advances in Refill Spot Welding Productivity
An Analysis of Joint between AZ31 and DP590 Steel Created Using Friction-stir Assisted Scribe Technique: Metallurgical vs Mechanical Bonding
Application of Machine Learning for Prediction of Microstructure and Mechanical Performances in Solid-state Joining Processes
Bobbin Friction Stir Processing of AZ31B Mg Alloy Plates
Case Study: Implementation of FSW in the Colombian Rail Transport Sector
Characterization and Analysis of the Effective Wear Mechanisms on FSW Tools
Characterization of Intermetallics Formation in µFSSW of Dissimilar Al/Cu Alloy Sheets
Development of Automatic Quality Control Techniques for Friction Stir Welding Processes
Dissimilar Friction Stir Spot Welding of Low Carbon Steel and Aluminum Alloy by Double Side Adjustable Tools
Dissimilar Joining of ZEK100 and AA6022 for Automotive Application
Effect of Die Geometry on Rate-controlled Friction Extrusion
Effect of Diffusion on Intermetallics at Interface during Friction Stir Welding of Stainless Steel and Pure Titanium
Effect of Temperature and Strain Parameters of High Strain Rate Torsion Tests on the Microstructure Evolution of Al-based Alloys
Effect of Tool Geometries on “Heat-input” during Friction Stir Welding of Aluminum Alloys
Engineered Metal Matrix Composites Produced Via Co-extrusion for High-temperature Friction Stir Welding
Evaluation of Residual Stresses in Isothermal Friction Stir Welded 304L Stainless Steel Plates
Experimental and Numerical Investigations of High Strain Rate Torsion Tests of Al-based Alloys at Elevated Temperatures
Finite Element Analysis and Failure Mechanisms of Refill Friction Stir Spot Welding
Fracture Mechanics Approach to Improve Fatigue Strength of a Dissimilar Metal T-Lap Joint by Friction Stir Welding
Friction Stir Lap Welding between Al and FeCoCrNiMn High Entropy Alloy
Friction Stir Welding Defect Prediction Using Computational Solid Mechanic's Modeling
Friction Stir Welding of Armor Grade Steels
Friction Stir Welding of Metal and Carbon Fiber Reinforced Plastic
Friction Stir Welding of Metal Matrix Composites to Dissimilar Aluminum Alloys: Optimization of Weld Quality and Tool Life
Friction Stir Welding of NiTi Shape Memory Alloy
Heterogeneous Structure-induced Strength-ductility Synergy by Partial Recrystallization during Friction Stir Welding of a High-entropy Alloy
Low-force Friction Surfacing for Crack Repair in 304L Stainless Steel
Microstructural and Mechanical Characterization of Titanium/Steel Joints Produced by Ultrasound Enhanced Friction Stir Welding
Microstructural Characterization of Lap-jointed Ti-6Al-4V Plates by Pin-less Friction Stir Spot Welding
Modified Friction Stir Welding of Al-Mg-Cu-Zn Aluminum Alloy
Numerical Simulation and Analysis of Solid Phase Processing: A Validated Friction Extrusion Smoothed Particle Hydrodynamics Model
On the Development of Friction Stir Welding to Repair or Mitigate Chloride-induced Corrosion in 304L Austenitic Stainless Steel
Oscillation Behavior of Dissimilar Aluminum/Steel Joints Realized by Ultrasound Enhanced Friction Stir Welding (USE-FSW)
Phosphorus Segregation and Its Effect on Properties in Friction Stir Welded High Phosphorus Weathering Steel
Preliminary Investigation of the Effect of Temperature Control in Friction Stir Welding
Process Robustness of Friction Stir Dovetailing of AA7099 to Steel with In Situ AA6061 Interlayer Linking
Real-time Measurement of Friction Stir Tool Motion during Defect Interaction in Aluminum Alloy 6061-T6
Removing Rotational Variations from Shoulder Thermocouples in Friction Stir Welding
Residual Stresses and Nanoscale Evolution in AA6061 Produced by Additive Friction Stir-deposition
Study of Residual Stress and Microstructure Changes in Friction Stir Processed Dual Phase 980 Grade Steel
Temperature Distribution during Friction Stir Spot Welding of Thin AA 6082-T6 and AA 5082-O Sheets
The Development of FSW Process Modelling for Use by Process Engineers
Three Sheet Al Alloy Assembly for Automotive Application
Transitioning FSW to a Controlled Production Process

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