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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Aluminum Alloys: Development and Manufacturing
Presentation Title Heat Treatment of Aluminum A20X Manufactured Using Laser Powder Bed Fusion
Author(s) Heidar Karimialavijeh, Apratim Chakraborty, Martin Proebstle, Kentaro Oishi, Jean-Philippe Harvey, Etienne Martin
On-Site Speaker (Planned) Apratim Chakraborty
Abstract Scope The A20X alloy, a metal matrix composite (MMC) designed for laser powder bed fusion (LPBF), requires precipitation hardening treatment to achieve optimal mechanical properties. This study investigates the effect of temperature and duration of heat treatment on the microstructure and mechanical properties of LPBF A20X. The effects of heat treatment temperature and duration on the as-printed material were evaluated using mechanical testing and microscopic characterization. In total, three different regimes reflecting the alloy’s response to heat treatment were observed. For low-temperature (180-370C) heat treatments, material softening (up to 26%) proportional to temperature and duration of treatment was evident. Samples treated at medium temperatures (430-480C) showed hardening (from 90 up to 115 HV) with increasing temperature and remained unchanged with dwell time. This is attributed to the dissolution of precipitates-formers (Cu/Mg/Ag) promoting solid solution strengthening. At high temperatures (≥500C), the alloy entered the super-saturation regime causing relatively constant hardness (~117 HV).
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum, Mechanical Properties, Characterization


AMAG CrossAlloy ® – Lightweighting the Future by Unconstraint Alloy Design: A Case Study
Annealing Behavior of Cold Rolling Sheets of a Continuous Cast Al-1.5Cu Alloy with Potential Application to Low Cost Auto Forming Parts or Sheets
Correlation of Thermodynamic Calculations and Mechanical Properties of an Al-Si Cast Alloy
Corrosion Effect on Mechanical Properties of Stamped Al Alloy 6451 for Auto Applications
Creative Approaches to Long-term Recycling of Aluminium Scrap Forming AlSiMgMnCu Alloy With Excellent Mechanical and Microstructural Properties
Design and Characterization of Hierarchically-strengthened, Cast Al-Ce-Ni-Mn-Sc-Zr Alloys for High-temperature Applications
Determining the Corrosion Speed of Welded AA 5005 Alloy with AA5356 Filler Metals According to Weld Rate Using by MIG Welding Technique
Developing Banding Microstructures in Directional Solidification of Aluminum Metal Matrix Composites
Effect of Cold Rolling Prior to Homogenization Heat Treatment on the Microstructural Evolution and Mechanical Properties of Twin-roll Cast 8026 Aluminum Alloy
Effect of Mg Solute on Microstructural Evolution of Aluminum During a Biaxial Alternate Forging
Effect of Shot Peening on Fatigue Properties of A20X Fabricated by Laser Powder Bed Fusion
Effect of Surface Condition on Corrosion Behavior of High Pressure Die Cast A383 Aluminum Alloys
Effects of Alloying Elements Content on Microstructural Properties of AlMgSiCu Alloy
Enhancing Recycling Efficiency and Critical Raw Material Substitution in 6xxx Alloys Production With Respect to Their Extrusion Feasibility and Mechanical Properties
Evaluating Three - Point Bending Behavior of Aluminum Extruded Thin Walled Structure
Fabricate Sputter Targets and Evaluate Sputter Characteristics Using High-purity Al Refined Material
Heat Treatment of Aluminum A20X Manufactured Using Laser Powder Bed Fusion
High-throughput Compositional Study of 3xxx Al Alloy Using Laser Synthesis and Small-scale Rolling: A Case Study
Influence of Copper Addition on the Thermal Stability and Corrosion Behavior of Aluminum 6082 Alloy
Influence of Feed Rate on Microstructure and Hardness of Conventionally Spin-formed Al 6061-O Plate
Influence of Increased Fe, Cu and Zn Concentrations on Phase Formation in Aluminum A356 (AlSi7Mg0.3) Alloy
Influence of Solidification Rate and Impurity Content on 5/7-Crossover Alloys
Influence of Welding Tool Material and Type of Joint on the Formability of Friction Stir Welded Tailored Blanks
Investigating the Corrosion Performance of EN-AW-8006 Alloy With Mn and Cu Additions
Investigating the Potential of Secondary Aluminum Cast Alloys Used as Wrought Alloys
Investigations on the Solid-state Additive Manufacturing of Al Alloy: Process, Microstructure, and Crystallographic Texture
K-1: Effect of Mg on Cryogenic Impact Toughness of Al-Mg Alloys via Cryogenic Charpy Impact Tests
K-2: Metallurgical and Rheological Properties of the Equiaxed Semi-solid Aluminum Alloys Under Compression: A Combined Study Between Electron Microscopy and Synchrotron X-ray Tomography
K-3: Microstructure and Mechanical Properties of Additive Friction Stir Deposited Al-Ce Alloys
K-4: Microstructure and Mechanical Property of Sand Cast AA356 Aluminum Alloy Modified With Cerium
K-5: Role of Intermetallic Compounds on Hot Tearing and Heat Treatment Characteristics of Wrought Aluminum Alloys: A Combined Study Among Multiscale Characterization, Synchrotron X-ray Tomography and CALPHAD Approaches
K-6: Solid Phase Recycling and Upcycling: Direct Extrusion High Strength Aluminum From AA 6063 Chips
K-7: Synergistic Enhancement of Strength and Ductility in Novel Solid-Stir Continuous Extrusion: Influence of Heterogeneous Microstructure and Alloy Chemistry
Machine Learning Assisted Development of Aluminum Alloys With High Strength at Elevated Temperatures
Mechanical Behavior of a Novel Aluminum Alloy With Transition Elements Additions Developed for Laser Powder Bed Fusion
Mechanical Improvement of Al-Ce Alloys
Meshfree Process Modeling and Experimental Validation of Friction Riveting of Aluminum 5052 to Aluminum 6061
New 6xxx Al-Mg-Si Alloy with High Electric Conductivity and Great Bendability for EV Application
Parameters Controlling Drilling and Tapping Characteristics of Aluminum Based Alloys
Preparation of High Porosity Aluminum Foam by Supergravity Infiltration Method
The Effect of Cold Rolling Strain Degree in Corrosion Resistance of Fully Soft Temper Automotive 5182 Alloy
Thermomechanical and Metallographic Comparison of Twin Roll Casted 1235, 3003, 8006, 8011 Alloy Series Used in the Production of Foil Manufacturing
Utilizing Magnetic Field Annealing to Enhance the Microstructure and Mechanical Properties of 7075 Aluminum Alloy
X-ray Computed Tomography of Fracture Paths in AA7075-T6 Sheet Torn at 200 C

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