ProgramMaster Logo
Conference Tools for MS&T23: Materials Science & Technology
Login
Register as a New User
Help
Submit An Abstract
Propose A Symposium
Presenter/Author Tools
Organizer/Editor Tools
About this Abstract
Meeting MS&T23: Materials Science & Technology
Symposium Light Metal Technology
Presentation Title Effect of Melt Thermal-rate Treatment on Microstructure and Mechanical Properties in Al-Zn-Mg-Cu Alloy Billets Fabricated by Direct-chill Casting
Author(s) Byung-joo Kim, Young-Hee Cho, Hyun-Seok Cheon, Jisu Kim, Su-Hyeon Kim
On-Site Speaker (Planned) Byung-joo Kim
Abstract Scope This study investigates the effects of melt thermal-rate treatment (MTRT) on the microstructure and mechanical properties of Al-Zn-Mg-Cu alloy billets fabricated using direct-chill (DC) casting. MTRT was found to enhance the uniformity of solute distribution of Al matrix, leading to improved mechanical properties such as hardness, tensile strength, and ductility. The yield strength, ultimate tensile strength, and elongation in the near-surface region of the billet increased significantly following MTRT. Twinned dendritic grains (TDGs) formed in the central region of the billet, exhibiting a growth advantage during DC casting with MTRT. The uniform solute distribution and the presence of fine, homogeneous intermetallic compounds (IMCs) led to improved mechanical properties compared to non-MTRT billets. However, the elongation of TDGs in the central region was reduced due to microcracks along the TDG boundaries. In conclusion, MTRT shows potential for enhancing the microstructure and mechanical properties of Al alloys produced through DC casting.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Case of Update on 330kA Aluminium Potline in China
A Machine-learning Assisted Optimization Approach and Microstructure Characterization Method for Laser Powder Bed Fusion
Assesment of the Mechanical Properties of an AlMg7Cu2 Alloy with TiBZrMoV Alloying at Different T6 Solution Heat Treatment Conditons and Modeling of Its Behavior by Continuum Mechanics Approach
Characterisation of A201 Alloy Produced by Low Pressure Die Casting into Resin Sand Moulds
Development of Al-Ce-(Fe)-(Mg) Alloys for Elevated Temperature and High Strength Applications
Effect of Erbium and Europium Addition on Microstructure and Mechanical Properties of A356, A206 and A201 Alloys
Effect of Melt Thermal-rate Treatment on Microstructure and Mechanical Properties in Al-Zn-Mg-Cu Alloy Billets Fabricated by Direct-chill Casting
Effect of Zr-Er-Y L12 Phase on Precipitation Behavior of Al-Zn-Mg Alloy
Effects of Pass Strains of Multi-directional Forging and Additive Cold Rolling of Pure Ti on the Microstructural Evolution and Mechanical Properties
Elastic-plastic Approach on Transformation of LPSO Phases in a Mg-RE Alloy by Nanoindentation
Evolution of Spheroidal α-AlFeSi Phase in 1200 Aluminum by 3D Visualization Using FIB-SEM
H-1: Numerical Simulation of Effect of Process Parameters on Solidification Structure in Titanium Alloy TC4 Vacuum Arc Remelting Process
Importance of Runner Design in the Reproducibility of Tensile Tests
Improved Strength in Mg-Al Dissimilar Impact Welding by Surface Nanocrystallization of Mg Alloy Sheet
Inductance-based Structural Self-sensing, as Shown for Sensing Shape-changing Deformation In Aluminum
Influence of Ce, Ni and Cu on Castability and Mechanical Properties of Al Piston Alloys
Investigating Hydrogen Porosity in Aluminum Laser Welding Using a Three-dimensional Cellular Automaton Model
Investigation on the Grain Refinement of Mg-Al Alloys by Superheating Process Using Rapid Solidification Process
Mechanical Property Comparison of Al11Si Wheels Grain Refined by Ti, Nb and Nucleant 1582
Mechanical Property of Nb Grain Refined AlSi11 Alloy
Observation of Impact Deformation and Fracture on Severe Plastic Deformed Ti by Using Synchrotron Radiation
Optimization of Die Casting Process with Various Oxygen Concentration
Phase Stability in Laser Melted Microstructures of Al-X (X=Zr, Nb, V) Alloys
Physics-constrained, Inverse Design of High-temperature, High-strength, Creep-resistant Printable Al Alloys Using Machine Learning Methods
Precipitate-strengthened Micromechanical Behaviors of Magnesium Alloy Under Cyclic Loading
Production of Titanium Wire from Scrap Material Using Continuous Extrusion Machine
Role of Alloying Elements and Solidification Conditions on the Evolution of Fe-rich Intermetallic Phases in Recycled Al-Si Alloys with Higher Fe
Role of Guinier-Preston Zones in Achieving High Strength-ductility in a New Mg-Zn-Al-Ca-Mn-Ce Sheet Alloy
Role of Interfaces on the Orientation Dependent Spheroidization Response of -colonies in Ti-6Al-4V Alloy
Selective Laser Melting of a TiB2/Al-Cu-Mg-Ni-Sc Composite
Solidification Evolution, Microstructure and Tensile Properties of Al-Mg-Sc Alloys
Study on the Improvement of the Mechanical Properties Heavy Commercial Vehicle’s Wheel by the Molten-forged on the A356 Alloy
The Beneficial Effects of Ce Additions on High-Fe Secondary Al-Si Casting Alloys
The Myth on the Pore Formation in Aluminum Casting on the Alloying with Rare Earth Elements
Through-thickness Heterogeneity in the Mechanical Properties of Hot Rolled AA7075-T651

Questions about ProgramMaster? Contact programming@programmaster.org