Zobrazeno 1 - 10
of 169
pro vyhledávání: '"Shi-Hoon Choi"'
Autor:
Mahesh Panchal, Lalit Kaushik, Min-Seong Kim, Ravi Kottan Renganayagalu, Shi-Hoon Choi, Jaiveer Singh
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 3, Pp 1154-1169 (2024)
In this study, the effects of pre-strain-induced tensile twins (TTWs) and controlled heat treatment on the formability behavior of AZX311 Mg alloy sheets were investigated. A 4% compressive strain was applied to pre-strain the sheets using the in-pla
Externí odkaz:
https://doaj.org/article/c0b68cc9805345f99d17d1d4521b6d81
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 4, Pp 1393-1407 (2023)
The mechanical behavior of a magnesium alloy E-form under bending was investigated using the elasto-visco-plastic polycrystal model (ΔEVPSC) and its finite element (FE) implementation (ΔEVPSC-FE) developed in Jeong et al. and Jeong and Tomé. The c
Externí odkaz:
https://doaj.org/article/c4d30db3515a4e74aa980dd2debf2c76
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 2, Pp 405-424 (2023)
Sheet-metal products are integral parts of engineering industries and academia research. Various testing techniques have revealed the deformation behaviors of sheet metals under complex stress states. Information obtained from tensile and compression
Externí odkaz:
https://doaj.org/article/22a4e8e0331a4c4bb7f87e48fe4811d9
Publikováno v:
Metals, Vol 14, Iss 2, p 149 (2024)
Dislocation slips, twinning, shear banding (SBs), strain localization, and martensite formation are a few deformation modes that are activated in BCC metals and alloys. Strain, strain rate, and deformation temperature are other parameters that determ
Externí odkaz:
https://doaj.org/article/747bb826b6f0437387986c0fc2b05e2d
Autor:
Min-Seong Kim, Jeong Gyun Kim, Sang-Chul Kwon, Sun-Tae Kim, Hwan-Uk Guim, Seong Lee, Hyo-Tae Jeong, Shi-Hoon Choi
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 61-73 (2022)
In this study, the deformation bands (DBs) in AA1100 after plane forging (PF) and return-plane forging (R-PF) during multi-axis diagonal forging (MADF) were observed using microtexture analysis. Typical texture components (plane-strain texture compon
Externí odkaz:
https://doaj.org/article/6b8dc9812e4d4032a7cc4b1e2e0d1bd2
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 8867-8883 (2020)
The selective laser melting (SLM) is a popular additive manufacturing (AM) technique used for the fabrication of metal parts. In the present study, two 316L stainless steel specimens (SLM-I and SLM-II) with different microstructures were fabricated w
Externí odkaz:
https://doaj.org/article/432fd610151c404aa1d09d2047d27fcd
Autor:
Jong Un Lee, Ye Jin Kim, Sang-Hoon Kim, Jeong Hun Lee, Min-Seong Kim, Shi-Hoon Choi, Byoung Gi Moon, Young Min Kim, Sung Hyuk Park
Publikováno v:
Journal of Magnesium and Alloys, Vol 7, Iss 4, Pp 648-660 (2019)
In this study, the texture of a rolled Mg alloy is effectively modified through the application of precompression and subsequent annealing treatment, leading to a remarkable improvement in the bending formability of the alloy at room temperature. Pre
Externí odkaz:
https://doaj.org/article/ec51e17c13f54306aba249c77bfaa0c0
Autor:
Min-Seong Kim, You Yeon Jo, Tae Hyun Yoo, Seong Lee, Hyo-Tae Jeong, Shi-Hoon Choi, Jeong Gyun Kim
Publikováno v:
Korean Journal of Metals and Materials. 59:624-639
The effect of 3 forging routes (Route A - 1~12 passes by plane forging (PF) and reverse-plane forging (R-PF), Route B – 1~6 passes by PF and R-PF, 7~12 passes by diagonal forging (DF) and reversediagonal forging (R-DF), Route C – 1~12 passes by D
Autor:
Abhishek Kumar Singh, Lalit Kaushik, Saurabh Pawar, Jaiveer Singh, Hrishikesh Das, Mounarik Mondal, Sung-Tae Hong, Shi-Hoon Choi
Publikováno v:
International Journal of Mechanical Sciences. 239:107894
Autor:
Aman Gupta, Lalit Kaushik, Tae-Hyeon Yoo, Jin Woo Lee, Young-Kil Kim, Dongwon Lee, Yoon-Uk Heo, Shi-Hoon Choi
Publikováno v:
International Journal of Plasticity. 159:103473