Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Jong-hyoung Kim"'
Publikováno v:
한국해양공학회지, Vol 32, Iss 6, Pp 502-510 (2018)
In order to accumulate data to lower the friction coefficient of a press mold, tribological tests were performed before and after coating SM45C with a PVC/PO film and plasma coating (CrN, concept). The ultrasonic nanocrystal surface modification (UNS
Externí odkaz:
https://doaj.org/article/7aa585ec638646c7b37d5fed5ddb4408
Publikováno v:
Applied Sciences, Vol 11, Iss 6, p 2836 (2021)
The bearing is a machine element that plays an important role in rotating the shaft of a machine while supporting its weight and load. Numerous bearings have been developed to improve durability and life, depending on the functions and operating cond
Externí odkaz:
https://doaj.org/article/62784940195c44b3a956ff7ba189f6dc
Autor:
Jaebum Jeong, Jin-Hyuk Kwon, Kyungmin Lim, Swarup Biswas, Alexandra Tibaldi, Suwoong Lee, Hyun Ju Oh, Jong-Hyoung Kim, Jaehoon Ko, Dong-Wook Lee, Hanchul Cho, Philippe Lang, Jaewon Jang, Sohee Lee, Jin-Hyuk Bae, Hyeok Kim
Publikováno v:
Polymers, Vol 11, Iss 9, p 1443 (2019)
A comparative study of the electrical performance of triboelectric nanogenerators (TENGs) with plain- and 2/1 twill-woven cotton textiles was conducted. Furthermore, the microstructures of the cotton fiber surfaces were examined to understand the fun
Externí odkaz:
https://doaj.org/article/dd154f17c2784e99a9cf78b667873ab0
Autor:
Jong-Hyoung Kim, Isami Nitta, Noritsugu Umehara, Hiroyuki Kousaka, Mamoru Shimada, Mitsuru Hasegawa
Publikováno v:
Tribology Online, Vol 3, Iss 7, Pp 361-365 (2008)
The adhesion force between a chloride-isobutene-isoprene rubber (CIIR) and stainless steel ball was studied in this paper. In order to decrease the adhesion force, the CIIR rubber was treated with high-density microwave plasma employing oxygen and ar
Externí odkaz:
https://doaj.org/article/964700df3dce4079b0310731ba4578d1
Publikováno v:
Metals and Materials International. 27:4700-4709
This study analyzes the effects of post-weld heat treatment (PWHT) on the mechanical properties and microstructures of SA-508 Gr.1a welds and proposes a new PWHT exemption criterion based on nonductile fracture evaluation considering welding residual
Publikováno v:
Korean Journal of Metals and Materials. 58:515-521
A method for evaluating residual stress using an instrumented indentation test was developed some decades ago. More recently, another method was developed, using a Knoop indenter. The conversion factor ratio, which is one of the key factors in the ev
Autor:
Jong Hyoung Kim, Young-Cheon Jo, Hyeon Jun Jo, Seong-pil Choi, Chan Kyu Kim, Young Tae Cho, S. Choi
Publikováno v:
Journal of Industrial and Engineering Chemistry. 87:54-59
A bearing is an essential mechanical element that is used to fix the axis of a rotating machine and helps rotate the shaft while supporting its weight and load. Numerous types of bearings have been developed depending on the functions and sizes of th
Publikováno v:
ISIJ International. 60:1333-1341
Autor:
Ju-Young Kim, Oh Min Kwon, Jinwoo Lee, Young-Cheon Kim, Jong-hyoung Kim, Hee-Jun Ahn, Jiyeon Kim, Dongil Kwon
Publikováno v:
Metals and Materials International. 27:3787-3795
We investigated the analytic relation between hardness and compressive yield stress using an expanding cavity model (ECM) for nanoporous gold (np-Au). We prepared three np-Au samples with ligament sizes 30.61, 59.36 and 116.33 nm by free-corrosion de
Autor:
Chau Kian Hao, Seock-Sam Kim, Jong-Hyoung Kim, Tae Gyu Kim, Jae-Won Kim, Willey Y. H. Liew, Jae-Il Jeong
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers - A. 44:127-132