Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Kunok Chang"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 2, Pp 421-424 (2024)
Ni-16Mo and ODS alloys were fabricated by the powder metallurgical processes, and their microstructures and tensile properties were investigated. Ni-16Mo-7Cr and Ni-16Mo-7Cr-0.3Ti-0.35Y2O3 (in wt.%) alloys were prepared by mechanical alloying, uniaxi
Externí odkaz:
https://doaj.org/article/86bb248aec084cfb803b141810338a22
Publikováno v:
Metals, Vol 14, Iss 9, p 1088 (2024)
A molten salt reactor is one of the fourth-generation reactors and is considered to be a feasible replacement for current reactors due to their many advantages. However, there are a number of issues that remain; one of which is the corrosion of the m
Externí odkaz:
https://doaj.org/article/2a9d0e571d1f4c4fa9cf2363a9773077
Autor:
Kibeom Son, Karyoung Choi, Jaehyeon Yang, Haeram Jeong, Hyungdae Kim, Kunok Chang, Gyunyoung Heo
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 11, Pp 4083-4095 (2023)
Currently, various research institutes in Korea are conducting research to develop a safety case for deep geological repository for high-level radioactive waste (HLW). In the past, low and intermediate-level waste (LILW) was approved by a regulatory
Externí odkaz:
https://doaj.org/article/af2c44e334614fb58308e0c766c23aee
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 8, Pp 2783-2791 (2022)
Molecular dynamics simulations were performed to predict the behavior of graphite atoms under neutron irradiation using large-scale atomic/molecular massively parallel simulator (LAMMPS) package with adaptive intermolecular reactive empirical bond or
Externí odkaz:
https://doaj.org/article/eb0f9fac240c40fe943c9ad7d0675048
Autor:
Bohyun Yoon, Kunok Chang
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 5, Pp 1541-1548 (2022)
The thermal conductivity of uranium oxide (UO2) containing pores and grain boundaries is investigated using continuum-level simulations based on the finite-difference method in two and three dimensions. Steady-state heat conduction is solved on micro
Externí odkaz:
https://doaj.org/article/9d27649b70bf4c1190db38af0970b7c2
Autor:
Kunok Chang, Heebaek Chang
Publikováno v:
Results in Physics, Vol 12, Iss , Pp 1262-1268 (2019)
Phase-field modeling of isotropic and anisotropic grain growth has been performed in 2D and 3D system. The multi order parameter grain growth model is adopted and OpenMP is implemented to enhance the computational efficiency. When the anisotropic gra
Externí odkaz:
https://doaj.org/article/daac48e74f0f477cb872c03962970e31
Autor:
Bohyun Yoon, Kunok Chang
Publikováno v:
Results in Physics, Vol 19, Iss , Pp 103440- (2020)
We performed 2D and 3D steady-state heat conduction simulations with a Crank–Nicolson implicit scheme implementation. The parameter ϕ is introduced, with a value of 1 within the matrix and 0 inside a pore. At the interface between a matrix and a p
Externí odkaz:
https://doaj.org/article/cd484af21bd047b4a21270ac3a74df5d
Autor:
Hyeonho Kim, Kunok Chang
Publikováno v:
Results in Physics, Vol 19, Iss , Pp 103628- (2020)
We analyzed and classified the grain structure in the vicinity of triple junctions during an ideal 2D grain growth process. We used the multi-order parameter phase-field grain-growth model to generate the grain structures and evaluated the distributi
Externí odkaz:
https://doaj.org/article/821946e8be3a4039bc03b40cbe388ffa
Publikováno v:
Metals, Vol 11, Iss 10, p 1532 (2021)
Sputtering in a divertor is one of the key phenomena that affects plasma purity and temperature. In previous experimental studies, the term sputtering yield has been used to refer to net sputtering yield, which is defined as the difference between pr
Externí odkaz:
https://doaj.org/article/6c841b91088a4c039b21602f7d4acd37
Publikováno v:
Metals, Vol 11, Iss 1, p 4 (2020)
In this study, the microstructural evolution of an Fe-Cr-Al system was simulated in two-dimensional (2D) and three-dimensional (3D) systems using the phase-field method. We investigated the effect of Al concentration on the microstructural evolution
Externí odkaz:
https://doaj.org/article/ed1068d296024193b6cc038821b74e93