Zobrazeno 1 - 10
of 222
pro vyhledávání: '"Young Tae Cho"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Wire arc additive manufacturing (WAAM) is a direct energy deposition (DED) process that uses arc welding. It is a method of stacking beads made by melting metal wires with an arc heat source generated by a short-circuit current. Compared to
Externí odkaz:
https://doaj.org/article/2a4567e1a99b477dbfe269065f749b25
Autor:
Seo Rim Park, Seungmin Oh, Woo Young Kim, Do Hyeog Kim, Sang Hoon Lee, Seungwoo Shin, Su Hyun Choi, Sin Kwon, Heedoo Lee, Seok Kim, Young Tae Cho
Publikováno v:
Advanced Materials Interfaces, Vol 11, Iss 22, Pp n/a-n/a (2024)
Abstract The sustained water repellency of interconnected micropatterned surfaces is explored over an extended duration, with a focus on their resilience during a 90‐day water‐immersion test. Initially, the microstructure surfaces exhibit high wa
Externí odkaz:
https://doaj.org/article/c37f0a69935c4864bc8c3976d538bfe7
Autor:
Chang Jong Kim, Young Cheol Jeong, Hwi Jun Son, Bo Wook Seo, Seok Kim, Sung-Ki Lyu, Xiangying Hou, Young Tae Cho
Publikováno v:
Materials & Design, Vol 242, Iss , Pp 113001- (2024)
Given the direct correlation between the hardness of high-hardness armor (HHA) steel and its ballistic performance, mitigating softening in the heat-affected zone (HAZ) becomes essential. In this study, welding was performed using a nanoparticle flux
Externí odkaz:
https://doaj.org/article/60ba6b7dd67442d3a9ed89ceb430a3db
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1810-1823 (2024)
In recent years, researchers have increasingly focused on alloy design in additive manufacturing (AM) to adjust the microstructure and improve the mechanical properties. The microstructure of columnar grains, strong texture, and chemical inhomogeneit
Externí odkaz:
https://doaj.org/article/ab3eaf44f69a4c19be2ba8dc86e38fe8
Publikováno v:
Small Structures, Vol 5, Iss 3, Pp n/a-n/a (2024)
Evaporation patterns of liquid droplets containing nanoparticles or colloids have extensive applications in diagnostics and printing. Controlling these patterns by studying the evaporation behavior of colloidal droplets on surfaces is important for e
Externí odkaz:
https://doaj.org/article/ab9ce0619e294e709b7624da5e4eea98
Autor:
Do Hyeog Kim, Sang-Hoon Nam, Gina Han, Seo Rim Park, Gwang Ho Jeong, Seok Kim, Young Tae Cho, Nicholas Xuanlai Fang
Publikováno v:
APL Materials, Vol 12, Iss 2, Pp 021129-021129-12 (2024)
This study entailed the development of an advanced photocatalyst model characterized by high efficiency and ease in dispersion and retrieval processes. This model incorporates a multiscale-hierarchical open-cell structure integrated with nanostructur
Externí odkaz:
https://doaj.org/article/96c030038a484268a13697fccec1687c
Publikováno v:
Materials & Design, Vol 238, Iss , Pp 112669- (2024)
Wire arc directed energy deposition (Arc–DED) of metal components has gained considerable attention in different industries, including construction and landscaping. However, the deposition of single metal materials and associated constrained fabric
Externí odkaz:
https://doaj.org/article/d8738cacc1b148a390c027008435097c
Publikováno v:
Heliyon, Vol 10, Iss 2, Pp e24257- (2024)
Several studies have been conducted to improve combat vehicle capabilities, such as the bulletproof performance of armor and fuel efficiency through weight reduction. Titanium alloys and ceramic materials are expensive and difficult to process; there
Externí odkaz:
https://doaj.org/article/c3a6dab6fb934e18a1f07752a39b10d4
Autor:
Woo Young Kim, Bo Wook Seo, Sang Hoon Lee, Tae Gyung Lee, Sin Kwon, Won Seok Chang, Sang-Hoon Nam, Nicholas X. Fang, Seok Kim, Young Tae Cho
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract The main challenge in preparing a flexible mold stamp using roll-to-roll nanoimprint lithography is to simultaneously increase the imprintable area with a minimized perceptible seam. However, the current methods for stitching multiple small
Externí odkaz:
https://doaj.org/article/ec04bf06fbaa474a96951786c8106cce
Autor:
Seokjoo Cho, Hyeonseok Han, Hyunwoo Park, Sung-Uk Lee, Jae-Hwan Kim, Sung Woo Jeon, Mengqiu Wang, Raudel Avila, Zhaoqian Xi, Kabseok Ko, Minsu Park, Jungyup Lee, Myungwoo Choi, Je-Sang Lee, Weon Gi Min, Byeong-Ju Lee, Soyeong Lee, Jungrak Choi, Jimin Gu, Jaeho Park, Min Seong Kim, Junseong Ahn, Osman Gul, Chankyu Han, Gihun Lee, Seunghwan Kim, Kyuyoung Kim, Jeonghyun Kim, Chang-Mo Kang, Jahyun Koo, Sung Soo Kwak, Sungbong Kim, Dong Yun Choi, Seokwoo Jeon, Hyung Jin Sung, Yong Bae Park, Minkyu Je, Young Tae Cho, Yong Suk Oh, Inkyu Park
Publikováno v:
npj Flexible Electronics, Vol 7, Iss 1, Pp 1-15 (2023)
Abstract Individuals who are unable to walk independently spend most of the day in a wheelchair. This population is at high risk for developing pressure injuries caused by sitting. However, early diagnosis and prevention of these injuries still remai
Externí odkaz:
https://doaj.org/article/b918b8b7b3f54da3b4fba32e7e335628