Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Sunmi Shin"'
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2258-2269 (2024)
This study investigated the effects of uniaxial tensile strain on the magnetization process of an Fe-9wt%Ni (9Ni) alloy to increase understanding of its magnetic behavior. As the applied strain was increased from 0 to 14 %, the magnetization curve ch
Externí odkaz:
https://doaj.org/article/eb567bbf2ddc4dcfa16f39e32b7a1abb
Publikováno v:
Developments in the Built Environment, Vol 15, Iss , Pp 100210- (2023)
This study explores the impact of vertical and horizontal configurations on thermal insulation in cellular concrete brick design, aiming to identify optimal insulation patterns. Results indicate that under a constant volume (67%) of coconut fiber, ap
Externí odkaz:
https://doaj.org/article/c9bf7b3a65f1467cbd229d15e8e5a5e0
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 2645-2656 (2022)
In this study, the effect and mechanism of ultrasonic melt treatment (UST) were studied to achieve high-quality molten Al–Mg alloy. The purpose was to analyze the change in the cleanliness of molten aluminum according to UST process conditions such
Externí odkaz:
https://doaj.org/article/1810b26d290940ee8266468bb9f618c0
Publikováno v:
Photoacoustics, Vol 30, Iss , Pp 100489- (2023)
Acoustic deformation potential (ADP) plays a significant role in quantifying carrier-acoustic phonon interactions in semiconductors. In this work, we report a novel ultrafast spectroscopy method to extract the ADP coupling constant of a semiconductor
Externí odkaz:
https://doaj.org/article/7510cbc7d7ee48c4ad499cda67b18e1c
Autor:
Ramesh Shrestha, Yuxuan Luan, Xiao Luo, Sunmi Shin, Teng Zhang, Phil Smith, Wei Gong, Michael Bockstaller, Tengfei Luo, Renkun Chen, Kedar Hippalgaonkar, Sheng Shen
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-7 (2020)
Here, the authors present a dual-mode solid state thermal rectification effect using a heterogeneous irradiated-pristine polyethylene nanofiber junction as a nanoscale thermal diode, in which heat flow can be rectified in both directions by changing
Externí odkaz:
https://doaj.org/article/a97d3579233f4fe7964c62866d071510
Far-field coherent thermal emission from polaritonic resonance in individual anisotropic nanoribbons
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-11 (2019)
An approach to achieve and directly measure enhancement of the thermal emission in far-field is lacking. Here, a thermometry platform was devised to extract the thermal emissivity from anisotropic nanoribbons of polar dielectrics, allowing direct qua
Externí odkaz:
https://doaj.org/article/2f4cd624a86c4e419a7a775af1bea109
Autor:
Sunmi Shin, Rajan Kumar, Jong Wook Roh, Dong-Su Ko, Hyun-Sik Kim, Sang Il Kim, Lu Yin, Sarah M. Schlossberg, Shuang Cui, Jung-Min You, Soonshin Kwon, Jianlin Zheng, Joseph Wang, Renkun Chen
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
Abstract Printing techniques could offer a scalable approach to fabricate thermoelectric (TE) devices on flexible substrates for power generation used in wearable devices and personalized thermo-regulation. However, typical printing processes need a
Externí odkaz:
https://doaj.org/article/f833e3f7062f435e883271c540421267
Publikováno v:
APL Materials, Vol 7, Iss 3, Pp 031101-031101-9 (2019)
Solar absorber coatings have widely been investigated for solar-thermal technologies including concentrated solar power and solar thermochemistry. While various nanostructures such as nanowires and nanotubes have been commonly used for high solar abs
Externí odkaz:
https://doaj.org/article/2612c9b03eae4e45ac70f68d69c590c8
Autor:
Ho-Sung Jang, Ho-Jung Kang, Gyu-Heun Lee, Pil-Hwan Yoon, Jin-Young Park, Yoon-Suk Choi, Sunmi Shin
Publikováno v:
Metals, Vol 11, Iss 5, p 841 (2021)
In this study, the optimal conditions of gas bubbling filtration (GBF) treatment for securing highly-clean molten Al-Si-Mg-Cu alloy were identified. The effects of GBF treatment time and stabilization time on the degree of molten metal cleanliness we
Externí odkaz:
https://doaj.org/article/ff3583f4026b4ef0a5ae4cbc372163c9
Publikováno v:
Metals, Vol 10, Iss 11, p 1422 (2020)
The present study investigated the effect of the casting conditions for the reduced pressure test (RPT) on the melt quality of Al-Si alloy. The casting conditions considered in RPT were the atmospheric exposure during melting, sampling method, and mo
Externí odkaz:
https://doaj.org/article/41e3fd69e5d4445087467677ea9425d5