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Prof. Jeoung Han Kim

 

Dept. of Materials Science & Engineering, Hanbat National University

 

It is an exciting time to study materials science and engineering. We are now living what was merely science fiction in previous decades. Whether it is using biomaterials to improve the quality of human life or using super strength materials that sustain in an extremely severe environment or even at outside of Earth, the message is clear: Designing adaptable materials whose physical or chemical properties can be tuned through their responses to various environments will have a profound effect on society.

 

We focus on three areas at the forefront of this broad field:

  • Structural nuclear materials – where nano-particles are dispersed in a matrix

  • Advanced titanium alloys – where aerospace, bio-implant, shape memory alloys, and micro-actuator systems are targeted

  • Novel processing of advanced materials – where laser cladding, diffusion alloying, and cryogenic milling are investigated.

Multi-Materials Laboratory

Latest news

한밭대학교 우수교수상 수상

(연구부분)

Jan. 2nd. 2019

2018년 대한금속재료학회 추계 학술대회 학생 포스터 발표 우수상

Andrews "Influence of Manganese on the Mechanical properties and Microstructure of Oxide Dispersion Strengthened Steels"

Oct. 26th. 2018
ICMAT2019  BEST POSTER AWARD (Laser Deposition Additive Manufacturing of 17-4PH Stainless Steel on Ti-6Al-4V)
June. 29th. 2019

MY LATEST RESEARCH

Oxide dispersion-strengthened (ODS) steels are promising candidate materials for application in the core components of fusion reactors and advanced fission reactors as a result of their excellent creep and irradiation resistances. Their superior properties are due to the high density of the Y-Ti-O nanoclusters with a mean diameter less than 5 nm. In presenting video, the Y-Ti-O nanoclusters are imaged via 3D atom probe tomography. 

The Ti-Ni-Hf alloys are well known as ones of the most attractive high-temperature shape memory alloy (SMA) due to its high transformation temperature. However, Ti-Ni-Hf alloy is very brittle so that this class of materials has not been fabricated into the form of thin wire up to date. Through our works at KIMS, we successfuly made Ti-Ni-Hf coils with an austenite finish temperature of  >150oC for the first time.  

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