Http://cml.postech.ac.kr Computational Metallurgy Laboratory Status and Strategic Plan.
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Transcript of Http://cml.postech.ac.kr Computational Metallurgy Laboratory Status and Strategic Plan.
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http://cml.postech.ac.kr
Computational Metallurgy Laboratory
Status and Strategic Plan
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STATUS
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September 2005
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4 further post-doctoral assistants (2 BOT and 2 GIFT)
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Materials
Physics
Chemical engineering
Computer science
Mathematics
Metallurgy
Korean
English
Chinese
Gujarati
Bengali
Telagu
Hindi
German
Slavik
Latin
Greek
FORTRAN
C
C++
Visual Basic
JAVA
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bainite
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current projects
domains of steels with identical properties
(C, Mn, Si, P, S, Cr, Ni, Mo, Ti,
Nb, V, Al, N, B, Cu, FDT, CT)
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current projects
-TRIP Steel
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Topological changes in grain parameters during deformation
current projects
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current projects
Rigorous models for the prediction of transformation texture
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Texture and strain due to mechanical twinning
current projects
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ab-initio calculations
current projects
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current projects
electropulsing
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current projects Superbainite
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current projects
Hot-press forming
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current projects
Phase field modelling
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Simultaneous casting
current projects
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•“Severely deformed martensite”, ISIJ International, accepted for publication, by L. Huifang and W. J. Liu
•“Low-temperature, low-carbon bainite”, submitted to Materials Science and Technology, H.-S. Yang and H. K. D. H. Bhadeshia
•“Plastic strain due to mechanical twinning in austenitic TWIP steels”, submitted to Materials Science and Technology, B. Qin and H. K. D. H. Bhadeshia
•“On the performance of neural networks in materials science”, submitted to Materials Science and Technology, H. K. D. H. Bhadeshia, R. C. Dimitriu, S. Forsik, J. H. Pak and J. H. Ryu
•“Influence of silicon on cementite precipitation in steels”, submitted to Materials Science and Technology, E. Kozeschnik and H. K. D. H. Bhadeshia
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published software
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New book being written by R. Qin on phase-field modelling, based on his teaching in GIFT
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Interactions with IndustryPOSCO: Transfer of software for strength of hot-rolled steels
POSCO: Transfer of software for TTT diagram calculation
POSCO: Transfer of software for TRIP-steel simulations
ESAB (Sweden): Transfer of software for strength of welds
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• Student collaboration on TRIP steel (Guo Lei, WeiJei Liu)
• BOT: -TRIP (Swarup Ghosh, Hong Liang Yi)• BOT: Electropulsing (Rongshan Qin)• Precursor to BOT: Simultaneous casting
(Yong Ki Kim, Rongshan Qin)• BOT: Superbainite• BOT: TWIP-assisted steel (WeiJei Liu)• Hot-press forming (Shgh Woei Ooi)
Interactions with Industry
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In Gee Kim,
KISTI Supercomputer Expert for (Small and Medium Business) Support
Interactions with Industry
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Strategy
science
publication in journals
effective dissemination
effective local, national and international collaboration
lead industry with new steel concepts
good teaching
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Role of models is often overstated.
Scientific progress can happen from simple observations.
perfect computation simply reproduces Nature, does not explain her
Anderson, Nobel Laureate, 1977
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•lead to unexpected outcome, verifiable
•created or used in hindsight to explain diverse observations
•existing models adapted or grouped in novel manner to design
•used to express data, reveal patterns or implemented in control algorithms
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Charpy
fatigue
corrosion
tensile
critical stress intensity