Search Results - "YEOM, J. T"
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1
Modeling and optimization of process parameters of biofilm reactor for wastewater treatment
Published in The Science of the total environment (15-09-2021)“…The efficiency of heavy metal in biofilm reactors depends on absorption process parameters, and those relationships are complicated. This study explores…”
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Journal Article -
2
Process optimal design in non-isothermal backward extrusion of a titanium alloy by the finite element method
Published in Computer methods in applied mechanics and engineering (01-09-2005)“…A new approach to process optimal design in non-isothermal, non-steady metal forming is presented. In this approach, an optimal design problem is formulated on…”
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Journal Article -
3
Artificial neural network modeling of phase volume fraction of Ti alloy under isothermal and non-isothermal hot forging conditions
Published in Journal of mechanical science and technology (01-10-2007)“…An artificial neural network (ANN) model was applied to simulate the phase volume fraction of titanium alloy under isothermal and non-isothermal hot forging…”
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Journal Article Conference Proceeding -
4
Characterization of deformation stability in hot forging of conventional Ti–6Al–4V using processing maps
Published in Journal of materials processing technology (20-12-2002)“…The deformation behavior of Ti–6Al–4V alloy under hot compression conditions was characterized in the temperature range 850–1000 °C and strain rate range…”
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Journal Article -
5
Hot forging of a nickel-base superalloy
Published in Journal of materials processing technology (25-04-2001)“…Compression tests were carried out to investigate the hot-deformation behavior of nickel-based Alloy 718. The tests were conducted in the temperature range…”
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Journal Article -
6
Simulation of microstructures for Alloy 718 blade forging using 3D FEM simulator
Published in Journal of materials processing technology (01-11-2003)“…Mechanical properties of Ni–Cr–Fe-based Alloy 718 depend very much on the grain size, as well as the presence of strengthening phases, γ′ and γ″. The grain…”
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Journal Article -
7
Creep strain and creep-life prediction for alloy 718 using the omega method
Published in Metals and materials international (01-12-2003)“…The creep behavior of Alloy 718 was investigated in relation to the MPCs omega (Ω) method. To evaluate the creep model and determine material parameters,…”
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8
Modeling of titanium alloys by using artificial neural networks
Published in 2010 IEEE International Conference on Computational Intelligence and Computing Research (01-12-2010)“…Titanium alloy exhibits an excellent combination of bio-compatibility, corrosion resistance, strength and toughness. The microstructure of an alloy influences…”
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Conference Proceeding -
9
Continuum damage mechanics-based creep–fatigue-interacted life prediction of nickel-based superalloy at high temperature
Published in Scripta materialia (01-12-2007)“…This paper presents a creep–fatigue-interacted lifetime prediction methodology based on continuum damage mechanics for the Ni-based superalloy under cyclic…”
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Journal Article -
10
Characterization of deformation behavior for waspaloy under creep-fatigue interaction
Published in Metals and materials international (01-10-2000)“…Hysteresis loops of strain controlled LCF tests for Waspaloy were characterized within the temperature range of 350°C and 600°C. Materials deformation…”
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Journal Article -
11
Hot forging of a nickel-base superalloy
Published in Journal of materials processing technology (07-09-1999)“…Compression tests were carried out to investigate the hot-deformation behavior of nickel-based alloy 718. The tests were conducted in the temperature range…”
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Journal Article -
12
Electron backscatter diffraction analysis of dynamically recrystallized grain structures in a Ni-Cr-Fe base alloy
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (2006)“…Dynamic variations in grain structures and grain boundary characteristics of NiCrFe-based alloy 718 during hot uniaxial compression as well as stress…”
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Conference Proceeding Journal Article -
13
Prediction of microstructure evolution during high temperature blade forging of a Ni−Fe based superalloy, Alloy 718
Published in Metals and materials international (01-02-2003)“…The mechanical properties of the Ni−Fe-based Alloy 718 depend very much on grain size, as well as the strengthening phases, γ’ and γ. The grain structure of…”
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Journal Article -
14
A case of hepatocellular carcinoma combined with liver abscess
Published in The Korean journal of gastroenterology (01-06-2009)“…Hepatocellular calcinoma (HCC) is the fifth most common cancer and the third leading cause of cancer-related deaths worldwide. It is important to diagnose HCC…”
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Journal Article