Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Joong-Ki Hwang"'
Autor:
Yeong Jae Jeong, Si On Kim, Jin Sung Park, Jae Won Lee, Joong-Ki Hwang, Soon Gi Lee, Jong Kyo Choi, Sung Jin Kim
Publikováno v:
npj Materials Degradation, Vol 5, Iss 1, Pp 1-10 (2021)
Abstract The ternary-based Fe-24Mn-3Cr alloy has superior mechanical properties based on an attractive combination of high strength and ductility, with long-term environmental stability in highly corrosive environments compared to conventional ferrit
Externí odkaz:
https://doaj.org/article/f412605faa9c4c82bc03091e27be4f60
Autor:
Joong-Ki Hwang
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 4527-4537 (2020)
The present study focuses on the effects of strain and temperature distribution on the fracture behavior in twinning-induced plasticity (TWIP) steel during wire drawing in order to understand the fracture mechanism of drawn TWIP steel wire. The defor
Externí odkaz:
https://doaj.org/article/db8583f091d24b2196342484d81436e4
Publikováno v:
Applied Sciences, Vol 11, Iss 18, p 8381 (2021)
The influence of roll diameter on the strain distribution, shape change, contact pressure, and damage value of a workpiece was investigated during wire flat rolling to control the material properties of the flattened wire. The flattened wires fabrica
Externí odkaz:
https://doaj.org/article/497473c31ec04c6ab5bf4b6fcab73553
Autor:
Joong-Ki Hwang
Publikováno v:
Applied Sciences, Vol 11, Iss 9, p 3922 (2021)
The effects of die radius in a streamlined die on design factors, such as the distribution of strain, stress, temperature, damage, and drawing force of a wire, were investigated during wire drawing for a better understanding of streamlined die and im
Externí odkaz:
https://doaj.org/article/3811897e93f441dfa22e594aebc0d26a
Autor:
Joong-Ki Hwang
Publikováno v:
ISIJ International. 62:2343-2354
Autor:
Joong-Ki Hwang
Publikováno v:
Journal of Iron and Steel Research International. 30:475-486
Autor:
Joong-Ki Hwang
Publikováno v:
Journal of Manufacturing Processes. 79:102-114
Autor:
Joong-Ki Hwang
Publikováno v:
Journal of Materials Engineering and Performance. 32:117-134
Autor:
Joong-Ki Hwang, Young-Chul Chang
Publikováno v:
Processes
Volume 11
Issue 2
Pages: 513
Volume 11
Issue 2
Pages: 513
The effects of contact conditions at the wire–die interface on the temperature distribution of the specimen and die are investigated to understand the wire drawing process. Finite element analysis and experiments are performed to analyze the temper
Autor:
Joong-Ki Hwang
Publikováno v:
Journal of Manufacturing Science and Engineering. 145
The influence of elongation on the strain inhomogeneity and shape change in twinning-induced plasticity steel rod is systematically investigated to understand the macroscopic shear band (MSB) formation mechanism and to decrease the strain inhomogenei