A research institute specializing in Materials Science

Advanced Metals Division

Department of Aluminum

Head of Department
Euh, Kwang-jun

Department Introduction

Department of Aluminum is in charge of conducting researches and development on aluminum alloys and their optimized applications to vehicle materials to improve fuel efficiency and driving performance. The research area focused in the department is development of high performance aluminum alloys covering the fields of alloy design, microstructure control and low cost energy-efficient processing and fabrication techniques.

+82-55-280-3309

Major Activities

Development of high strength aluminum alloys and twin-roll casting process for automotive applications : 3 papers published, 1 patent applied
Development of high performance aluminum casting alloys by ultrasonic melt treatment : 1 patent registered, 2 patents applied
Ultrasonicated multicomponent high-strength aluminum alloys : 3 papers published
Manufacturing processes of wrought aluminum products using cast aluminum alloys : 1 paper published, 1 patent registered, 2 patents applied
Development of energy-absorbing aluminum alloys : 1 patent applied

Major Research Area

Alloy design, microstructure control, and low-cost fabrication process of high strength aluminum alloy sheets for automotive applications
Alloy design and microstructure control of high performance aluminum alloys through ultrasonic melt treatment
Development of automotive 7000-series aluminum alloys via melt-to-product treatment
Development of novel thermo-mechanical processes to improve workability and mechanical properties of cast aluminum alloys for wrought products
Development of energy-absorbing aluminum alloys and components

Future Research Plan

  • Scale-up technologies of twin-roll casting process for mass-production of high strength aluminum alloy sheets
  • Control of microstructure and improvement of mechanical properties for aluminum alloys by ultrasonic melt treatment
  • Property enhancement and process simulation of automotive 7000-series aluminum alloys
  • Optimization of thermo-mechanical processes to improve workability and mechanical properties of cast aluminum alloys
  • Materials and shape design of energy-absorbing aluminum alloy components

Major R&D Activities

Development of high strength aluminum alloys and low-cost fabrication process

[Objective]

  • To develop low-cost fabrication process of high strength aluminum alloy sheets for weight-saving of future eco-friendly vehicles

[Results]

  • Development of new high strength aluminum alloys for twin-roll casting process
  • Optimization of thermo-mechanical process for new alloys to obtain superior mechanical properties
  • Computer simulation of twin-roll casting process for high-alloyed aluminum alloys
Mechanical properties of the 7xxx alloy sheets
Simulation of twin-roll casting

Development of high strength aluminum alloys through ultrasonic melt treatment

[Objective]

  • To develop ultrasonic melt treatment technology for microstructure control to improve mechanical properties

[Results]

  • Development of ultrasonic equipment suitable for molten aluminum and set-up of optimum processing parameter for refinement of microstructure
  • Refinement of microstructure such as grain, primary Si and intermetallic compounds for aluminum alloys
  • Fabrication of high strength/high ductile aluminum casting alloys
Ultrasonic equipment suitable for molten aluminum (left) and refinement of microstructure by ultrasonic treatment of A390 (right)

Development of aluminum alloys for both cast and wrought products

[Objective]

  • To develop thermo-mechanical processes for integrating aluminum alloys which is classified as cast/wrought alloys

[Results]

  • Development of novel thermo-mechanical processes for manufacturing aluminum sheet/extrudate by using commercial die-casting aluminum alloys
  • Development of optimized processes to improve mechanical properties of wrought aluminum products manufactured by using cast aluminum alloys
  • 1 paper published, 1 patents (1 issued, 2 pending)
Novel thermo-mechanical processes for application of cast aluminum alloys to wrought aluminum products