Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Jun-Yun Kang"'
Autor:
Taeho Lee, Chetan Singh, You Sub Kim, Dong-Hyun Lee, Jun Hyun Han, Jun-Yun Kang, Soo Yeol Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2580-2592 (2024)
This study investigates the strain rate-dependent deformation behavior of cost-effective twinning-induced plasticity (TWIP) steel, Fe–26Mn-0.4C, at 15 K and reveals intriguing insights into its mechanical properties. The serration type changes from
Externí odkaz:
https://doaj.org/article/20eb06d1579e44e994da9d9d48e80908
Autor:
Gwang Min Park, Seunghyeok Lee, Jun-Yun Kang, Seung-Hyub Baek, Heesuk Kim, Jin-Sang Kim, Seong Keun Kim
Publikováno v:
Journal of Advanced Ceramics, Vol 12, Iss 12, Pp 2360-2370 (2023)
This study investigated the effects of KCl treatment on microstructure and thermoelectric properties of n-type Bi2Te2.7Se0.3 (BTS) thermoelectric materials. The innovative KCl treatment was originally intended to introduce nanopores through selective
Externí odkaz:
https://doaj.org/article/fe49c8ed57334affa3ae450d70613369
Autor:
Giseung Shin, Marzieh Ebrahimian, Nana Kwabena Adomako, Haneul Choi, Dong Jun Lee, Ji-Hyun Yoon, Dae Whan Kim, Jun-Yun Kang, Min Young Na, Hye Jung Chang, Jeoung Han Kim
Publikováno v:
Materials & Design, Vol 227, Iss , Pp 111681- (2023)
In this study, the additive manufacturing of a functionally graded material (FGM) via directed energy deposition was investigated as an alternative to joining dissimilar metals. The metal powder composition of the FGM was gradually changed from fully
Externí odkaz:
https://doaj.org/article/46f77c4c380d40559054405188ef88e4
Publikováno v:
Applied Microscopy, Vol 49, Iss 1, Pp 1-10 (2019)
Abstract As more W replaced Mo in alumina-forming austenitic stainless steels, weight gain by oxidation decreased after 336 h at 1053 K. Electron microscopy revealed slower growth of scale in the presence of more numerous second phases by W addition.
Externí odkaz:
https://doaj.org/article/78cb179a77974e1e904b568aeb363123
Autor:
Seung Hwae Heo, Seungki Jo, Hyo Seok Kim, Garam Choi, Jae Yong Song, Jun-Yun Kang, No-Jin Park, Hyeong Woo Ban, Fredrick Kim, Hyewon Jeong, Jaemin Jung, Jaeyoung Jang, Won Bo Lee, Hosun Shin, Jae Sung Son
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-10 (2019)
Despite significant efforts to improve the thermoelectric properties of polycrystalline SnSe, precise control of texturing and doping is a challenge. Here, the authors report hole doped and highly textured SnSe thin films prepared by low cost, scalab
Externí odkaz:
https://doaj.org/article/9312d2f181584441a6c48277f18d42ea
Autor:
Jun-Yun Kang, Jaecheol Yun, Byunghwan Kim, Jungho Choe, Sangsun Yang, Seong-Jun Park, Ji-Hun Yu, Yong-Jin Kim
Publikováno v:
Materials, Vol 13, Iss 3, p 788 (2020)
Small objects of an alloy tool steel were built by selective laser melting at different scan speeds, and their microstructures were analyzed using electron backscatter diffraction (EBSD). To present an explicit correlation with the local thermal cycl
Externí odkaz:
https://doaj.org/article/3710fca37b4d47fb8fa031e0cd63f19e
Autor:
Yeonju Oh, Kyung Il Kim, Kyu Hwan Oh, Joo-Hee Kang, Jun-Yun Kang, Dong Uk Kim, Nam Ik Cho, Heung Nam Han
Publikováno v:
Metals and Materials International. 28:1094-1104
An in-situ analysis of local strain accommodation on transformation induced plasticity (TRIP) aided multi-phase steel was performed with a correlative application of characterization techniques such as digital image correlation (DIC), electron backsc
Autor:
Joonoh Moon, Min-Ho Jang, Sung-Dae Kim, Tae-Ho Lee, Jun-Yun Kang, Hyun-Uk Hong, Heon-Young Ha, Jae Hoon Jang
Publikováno v:
Philosophical Magazine. 101:907-928
High-temperature oxidation behaviour of an alumina-forming austenitic (AFA, Febalance–20Ni–14Cr–2.5Al–0.15Si–2Mn–2.5Mo–0.9Nb, in wt%) steel and W-substituted AFA steel was examined. The isothermal ...
Publikováno v:
SSRN Electronic Journal.
Autor:
Giseung Shin, Marzieh Ebrahimian, Nana Kwabena Adomako, Haneul Choi, Dong Jun Lee, Ji-Hyun Yoon, Dae Whan Kim, Jun-Yun Kang, H. J. Chang, Jeoung Han Kim
Publikováno v:
SSRN Electronic Journal.