Zobrazeno 1 - 10
of 316
pro vyhledávání: '"Shigenobu OGATA"'
Publikováno v:
npj Computational Materials, Vol 10, Iss 1, Pp 1-15 (2024)
Abstract Dislocations in ceramics are increasingly recognized for their promising potential in applications such as toughening intrinsically brittle ceramics and tailoring functional properties. However, the atomistic simulation of dislocation plasti
Externí odkaz:
https://doaj.org/article/336767d7a4eb4c6dbebbc3c9a5e1d729
Publikováno v:
npj Computational Materials, Vol 10, Iss 1, Pp 1-10 (2024)
Abstract In this study, we utilized a quantitative atomistic analysis approach to investigate the impact of chemical ordering structures on the diffusion behavior of interstitials and vacancies within the CrCoNi medium entropy alloy (MEA), employing
Externí odkaz:
https://doaj.org/article/b2a2ee7ab0d443c1898e79f18458aee4
Autor:
Chun-Wen Tsao, Sudhakar Narra, Jui-Cheng Kao, Yu-Chang Lin, Chun-Yi Chen, Yu-Cheng Chin, Ze-Jiung Huang, Wei-Hong Huang, Chih-Chia Huang, Chih-Wei Luo, Jyh-Pin Chou, Shigenobu Ogata, Masato Sone, Michael H. Huang, Tso-Fu Mark Chang, Yu-Chieh Lo, Yan-Gu Lin, Eric Wei-Guang Diau, Yung-Jung Hsu
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-13 (2024)
Abstract Near infrared energy remains untapped toward the maneuvering of entire solar spectrum harvesting for fulfilling the nuts and bolts of solar hydrogen production. We report the use of Au@Cu7S4 yolk@shell nanocrystals as dual-plasmonic photocat
Externí odkaz:
https://doaj.org/article/51eefc6d71994a4b8461724f8cef48e2
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1013-1021 (2024)
Some solute atoms induce strengthening and embrittlement in body-centered cubic refractory metals. Especially, interstitial oxygen produces remarkable strengthening effects in Nb, wherein the yield stress of oxygen-doped Nb alloys is more than twice
Externí odkaz:
https://doaj.org/article/810aa908f1174e7a8be9b131060cae58
Autor:
Akarsh Verma, Shigenobu Ogata
Publikováno v:
Advanced Industrial and Engineering Polymer Research, Vol 6, Iss 4, Pp 341-355 (2023)
Magnesium (Mg) & its alloys are favourable for orthopaedic & cardiovascular medical device fabrication applications, but holds a natural ability to degrade biologically when put with aqueous solution of the substances and/or water-saturated tissue in
Externí odkaz:
https://doaj.org/article/1bafd3b8f45547a3b4c39b7d30b5c4c2
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 5921-5974 (2023)
Conducting polymer nanocomposites (CPNC's) are promising materials for sensor devices possessing design pliability, good sensitivity, and low temperature operation. For producing conducting polymer nanocomposites with tunable morphology, the soft tem
Externí odkaz:
https://doaj.org/article/16c4a05ef07242daa88ebf4aa18822c7
Publikováno v:
Advanced Science, Vol 11, Iss 12, Pp n/a-n/a (2024)
Abstract The hydrogen evolution reaction (HER) and Zn dendrites growth are two entangled detrimental effects hindering the application of aqueous Zn batteries. The alloying strategy is studied to be a convenient avenue to stabilize Zn anodes, but the
Externí odkaz:
https://doaj.org/article/4d68c8a8eba54d399c23fa6734014c41
Autor:
Haitao Gao, Guiqiang He, Qi Li, Yangen Li, Wei Hu, Shaojie Zhou, Fengmei Liu, Jianglong Yi, Yupeng Zhang, Zhihong Cai, Shigenobu Ogata, Lijie Qiao, Lei Gao
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 475-487 (2023)
Sluggish diffusion effect of high entropy alloy limits its diffusion bonding with other components in practical applications. In this paper, the surface mechanical attrition treatment (SMAT) strategy for performing diffusion bonding joints of high en
Externí odkaz:
https://doaj.org/article/faa9ce085e964cd6a5d6adadccb40f3d
Autor:
Xiang Wang, Sixue Zheng, Shuhei Shinzato, Zhengwu Fang, Yang He, Li Zhong, Chongmin Wang, Shigenobu Ogata, Scott X. Mao
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
As the sample size goes down to the nanoscale, the surface-related mechanism plays an important role in the deformation of nanoscale crystals. Here, the authors report breakdown of the traditional Hall-Petch-like relation in nanoscale Ag attributed t
Externí odkaz:
https://doaj.org/article/0bd10274f7064828b778841828baa46a
Publikováno v:
Materials Research Letters, Vol 9, Iss 5, Pp 231-238 (2021)
Using a recent linear scaling method that fully accounts for anharmonic thermal vibrations, we calculated the activation free energy for $ \{10\bar {1}2\} $ twin boundary migration in magnesium up to 450 K, under both resolved shear stresses and non-
Externí odkaz:
https://doaj.org/article/5c3cb0c02e5e43b69c2e6ef768ca40c1