Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Dong-Yul Kim"'
Autor:
Jin-Su Ha, Ji-Woo Hong, Ji-Wook Kim, Soo-Bin Han, Chang-Young Choi, Hye-Jin Song, Jin-Seok Jang, Dong-Yul Kim, Dae-Cheol Ko, Seong-Hoon Yi, Yong-Jae Cho
Publikováno v:
Materials, Vol 16, Iss 12, p 4225 (2023)
This study examines the impacts of copper and boron in parts per million (ppm) on the microstructure and mechanical properties of spheroidal graphite cast iron (SCI). Boron’s inclusion increases the ferrite content whereas copper augments the stabi
Externí odkaz:
https://doaj.org/article/fe47ed8ad7214931893dd5dc362f1fa6
Autor:
Dong-Yul Kim, Ji-Wook Kim, Jin-Su Ha, A-Ra Jo, Sung-Yun Lee, Myeong-Sik Jeong, Dae-Cheol Ko, Jin-Seok Jang
Publikováno v:
Materials, Vol 16, Iss 8, p 3192 (2023)
In this study, the characteristics of the SKD61 material used for the stem of an extruder were analyzed through structural analysis, tensile testing, and fatigue testing. The extruder works by pushing a cylindrical billet into a die with a stem to re
Externí odkaz:
https://doaj.org/article/6c3949f4dd314c6e9d73b7dbe5a9a84f
Publikováno v:
Materials, Vol 15, Iss 20, p 7158 (2022)
To evaluate the dynamic characteristics at all positions of the main spindle of a machine tool, an experimental point was selected using a full factorial design, and a vibration test was conducted. Based on the measurement position, the resonant freq
Externí odkaz:
https://doaj.org/article/6933b3d4163f41429bef322a40d91bac
Autor:
Ji-wook Kim, Jae-wook Lee, Kun-woo Kim, Ji-heon Kang, Min-seok Yang, Dong-yul Kim, Seung-yeop Lee, Jin-seok Jang
Publikováno v:
Applied Sciences, Vol 11, Iss 18, p 8527 (2021)
One of the factors that influence the dynamic characteristics of machining systems is the cutting tool. Cutting tools are very diverse, and receptance coupling substructure analysis (RCSA) is essential for analyzing the dynamic characteristics of eac
Externí odkaz:
https://doaj.org/article/dcc60feb6ad84da1a64d2f75bd12690c
Autor:
Cho, Jin-Su Ha, Ji-Woo Hong, Ji-Wook Kim, Soo-Bin Han, Chang-Young Choi, Hye-Jin Song, Jin-Seok Jang, Dong-Yul Kim, Dae-Cheol Ko, Seong-Hoon Yi, Yong-Jae
Publikováno v:
Materials; Volume 16; Issue 12; Pages: 4225
This study examines the impacts of copper and boron in parts per million (ppm) on the microstructure and mechanical properties of spheroidal graphite cast iron (SCI). Boron’s inclusion increases the ferrite content whereas copper augments the stabi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::f20ce4cc51da7af9023e2d01ddc811b6
Autor:
Jin-Su Ha, Ji-Woo Hong, Ji-Wook Kim, Soo-Bin Han, Chang-Young Choi, Hye-Jin Song, Jin-Seok Jang, Dong-Yul Kim, Dae-Cheol Ko, Seong-Hoon Yi, Yong-Jae Cho
This study investigated the impact of boron and copper on the microstructure and mechanical properties of Spheroidal graphite Cast Iron (SCI). The addition of boron increased the ferrite content, while copper increased the stability of pearlite. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d07a30fe40f5b6e3ed5e024a35ef888
https://doi.org/10.20944/preprints202305.0614.v1
https://doi.org/10.20944/preprints202305.0614.v1
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers - A. 46:421-428
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af6e0b476709593e8c440ad01c4a5510
https://doi.org/10.3795/ksme-a.2022.46.4.421
https://doi.org/10.3795/ksme-a.2022.46.4.421
Publikováno v:
SSRN Electronic Journal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82855c3f6ecb50465e88ac6d5a8ba32e
https://doi.org/10.2139/ssrn.4061998
https://doi.org/10.2139/ssrn.4061998
Autor:
Kun-Woo Kim, Dong-yul Kim, Min-Seok Yang, Ji-Heon Kang, Ji-Wook Kim, Seung-yeop Lee, Jaewook Lee, Jin-Seok Jang
Publikováno v:
Applied Sciences, Vol 11, Iss 8527, p 8527 (2021)
Applied Sciences
Volume 11
Issue 18
Applied Sciences
Volume 11
Issue 18
One of the factors that influence the dynamic characteristics of machining systems is the cutting tool. Cutting tools are very diverse, and receptance coupling substructure analysis (RCSA) is essential for analyzing the dynamic characteristics of eac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::225277b38695b71ca6c704be55373c7c
https://doi.org/10.3390/app11188527
https://doi.org/10.3390/app11188527
Autor:
Min-Uk Kim, Ji-Uk Kim, Dong-Yul Kim, Iel-Yong Sung, Dae-Kawn Yun, Jang-Ho Son, Hyung-Suck Son, Yeong-Cheol Cho
Publikováno v:
The Journal Of Korean Association of Maxillofacial Plastic and Reconstructive Surgeons. 35:368-375
Purpose: This study is to evaluate the location of descending palatine artery, the anatomy of pterygomaxillary junction, and the association between the obtained anatomic values and several variables. Methods: We studied 40 patients who were treated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cc4015f3a19a1460ae0dd28dd84f597
https://doi.org/10.14402/jkamprs.2013.35.6.368
https://doi.org/10.14402/jkamprs.2013.35.6.368