Zobrazeno 1 - 10
of 17 911
pro vyhledávání: '"Ball-milling"'
Autor:
Erturun, Veysel, Ozbay, Eyyup
Publikováno v:
Aircraft Engineering and Aerospace Technology, 2024, Vol. 96, Issue 10, pp. 1295-1301.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/AEAT-03-2024-0071
Publikováno v:
Green Energy & Environment, Vol 9, Iss 12, Pp 1822-1834 (2024)
A covalent organic frameworks (COFs) material with regular pores and stable structure can be used as the host of lithium-sulfur batteries to improve battery kinetics and polysulfides conversion. Herein, we designed and synthesized two kinds of rod-li
Externí odkaz:
https://doaj.org/article/f1a80e739f57403099ad910b86f1002a
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 2799-2805 (2024)
We present a mechanochemical synthesis of difluoromethyl enol ethers. Utilizing an in situ generation of difluorocarbenes, ketones are efficiently converted to the target products under solvent-free conditions. The reactions proceed at room temperatu
Externí odkaz:
https://doaj.org/article/07f0a29822dd4410bdd6929dafaa0064
Autor:
Muchammad Izzuddin Jundullah Hanafi, Lorenzo Bastonero, Mohammad Mangir Murshed, Lars Robben, Wilke Dononelli, Andrea Kirsch, Nicola Marzari, Thorsten M. Gesing
Publikováno v:
IUCrJ, Vol 11, Iss 6, Pp 977-990 (2024)
Regolith draws intensive research attention because of its importance as the basis for fabricating materials for future human space exploration. Martian regolith is predicted to consist of defect-rich crystal structures due to long-term space weather
Externí odkaz:
https://doaj.org/article/59105326ae4f4e60bab368a08c873658
Autor:
Taehyeob Im, Kwiyoung Lee, Jonghyeok Ahn, Minjong Kim, Dongsup Lee, Jai-Sung Lee, Jongryoul Kim, Caroline Sunyong Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2624-2637 (2024)
Fe-4.5Si-based soft magnetic composite (SMC) cores suitable for high-frequency applications were studied using ball milling and furnace sintering. Through ball milling, Fe-4.5Si powder was coated with Mg(OH)2 nanoparticles to form a uniform insulatio
Externí odkaz:
https://doaj.org/article/c2afc372bcb144eda6287cf317403500
Autor:
Hossein Ahmadian, Tianfeng Zhou, A.M. Sadoun, A. Senthil Kumar, A. Fathy, Qian Yu, Guo Weijia, A. Wagih
Publikováno v:
Results in Engineering, Vol 24, Iss , Pp 103471- (2024)
Agglomeration and poor dispersion of reinforcements are common problems in conventional composite fabrication techniques, especially in hybrid composites. This study presents a novel technique, sequential reinforcement addition method combined with o
Externí odkaz:
https://doaj.org/article/7b67d0a90976403abf1056c28c9d0380
Autor:
Maria Sveda, Ferenc Kristály, Emőke Sikora, Anna Sycheva, Gábor Karacs, Tibor Ferenczi, Dora Janovszky
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract This investigation presents the synthesis of equiatomic and non-equiatomic AlCo1−xFeNiTiMox (x = 0, 0.1, 0.25 and 1.0) high entropy alloys fabricated by mechanical alloying. Mo partially replaced Co. Classic thermodynamic calculations, suc
Externí odkaz:
https://doaj.org/article/dfde2a46ad684e83a1f3dc466f5ead6c
Effects of nano-metal oxide additives on ignition and combustion properties of MICs-boron rich fuels
Publikováno v:
Defence Technology, Vol 39, Iss , Pp 157-167 (2024)
Boron has been considered a promising powdered metal fuel for enhancing composite propellants' energy output due to its high energy density. However, the high ignition temperature and low combustion efficiency limit the application of boron powder du
Externí odkaz:
https://doaj.org/article/59e09b81a776453eb4b7a189d2f2ea3c
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 18, Pp 95-102 (2024)
Yeast β-glucan was a multifunctional polysaccharide, but it was insoluble in water and present particles. To broaden its applicability, the yeast β-glucan nanoparticles were prepared by ball milling pulverization using yeast cells of Saccharomyces
Externí odkaz:
https://doaj.org/article/96ebd152321c4da295fc9f34afd8af12