Zobrazeno 1 - 10
of 2 586
pro vyhledávání: '"Deoxidation"'
Autor:
A. V. Shatovsky, O. M. Grudnitskiy, S. V. Konovalenko, I. A. Kovaleva, A. A. Kovalev, V. O. Morozov
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 3, Pp 29-34 (2024)
One of the main factors determining the final properties of metal products is the quantity, morphology and distribution of non‑metallic inclusions in steel. The article deals with the issues related to the use of calcium carbide in steelmaking prod
Externí odkaz:
https://doaj.org/article/f3af850e39c3433f933c1e79ebec684f
Publikováno v:
Archives of Foundry Engineering, Vol vol. 24, Iss No 3, Pp 63-68 (2024)
The study focuses on the effect of rare earth elements (REM) in mischmetal on the morphology and chemical composition of non-metallic inclusions in pre-oxidised steel. Calculations were carried out using the WYK_STAL computer program according to two
Externí odkaz:
https://doaj.org/article/90eb53ef39bc4dd9bd5039ebc9694467
Publikováno v:
Gongye shui chuli, Vol 44, Iss 6, Pp 127-134 (2024)
Aiming at the high cost and poor effect of catalytic materials for cathodic oxygen reduction reaction(ORR) in electrochemical deoxygenation, NiCoFe ternary alloy was efficiently prepared by electrodeposition under different current densities, and the
Externí odkaz:
https://doaj.org/article/c9e417a1b2ff44eeb5fe212d97cbc15a
Autor:
Shuangyuan Liu, Yaqi Liu, Linyan Ye, Enrong Xiao, Dong Xu, Hongjun Chao, Jingcheng Dai, Dongru Qiu
Publikováno v:
Frontiers in Microbiology, Vol 15 (2024)
IntroductionAnaerobic–anoxic–oxic (A2/O) and deoxidation ditch (DOD) processes are being increasingly preferred owing to their effectiveness in treating various wastes in wastewater treatment plants (WWTPs). Considering seasonal variations is cru
Externí odkaz:
https://doaj.org/article/134da4f125d44492b3429c362e4a3e70
Autor:
Namhun Kwon, Hyunchul Kim, Ui Jun Ko, Soong Ju Oh, Mi Hye Lee, Jae Hong Shin, Kyoung-Tae Park
Publikováno v:
Electrochemistry Communications, Vol 166, Iss , Pp 107780- (2024)
This study investigates the deoxidation process of low-grade titanium scrap through molten salt electrolysis induced by overpotential. The research focuses on understanding the efficiency and mechanisms involved in the deoxidation of titanium scrap,
Externí odkaz:
https://doaj.org/article/7590b9d33dc449ec8dbc4f8ce76a71ac
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 4863-4869 (2024)
20CrMnTi gear steel has high low-temperature impact toughness and is widely used in the manufacturing of engineering machinery such as automotive transmission gears. The sizes and distributions of TiN inclusions have a significant impact on the servi
Externí odkaz:
https://doaj.org/article/2bf4145b4ca441308fa2aaa81bfc835a
Publikováno v:
Journal of Alloys and Metallurgical Systems, Vol 6, Iss , Pp 100072- (2024)
Porous Ti-xNb-13Zr alloys (x = 13, 24, 35 mass%) have been synthesised from TiO2-Nb2O5-ZrO2 oxide discs by molten salt electro-deoxidation at 1173 K. The aim has been to assess the dependence of the alloys’ phase composition, microstructure, chemic
Externí odkaz:
https://doaj.org/article/5843de08853547718ff2ba261ff56e94
Publikováno v:
SusMat, Vol 4, Iss 1, Pp 126-139 (2024)
Abstract Aluminum–selenium (Al–Se) batteries have been considered as one of the most promising energy storage systems owing to their high capacity, energy density, and cost effectiveness, but Se falls challenges in addressing the shuttle effect o
Externí odkaz:
https://doaj.org/article/9f8cb2c9ad694d8085af3aa2e03d3217
Publikováno v:
Litʹë i Metallurgiâ, Vol 0, Iss 4, Pp 66-71 (2023)
Compositions for microalloying steel with boron are presented, its positive effect on the process of steel crystallization, increasing strength and toughness is shown. The feasibility of using boron‑containing ferroalloys with low boron concentrati
Externí odkaz:
https://doaj.org/article/89a428f6c2eb467794495fec9fa7028a
Publikováno v:
Metals, Vol 14, Iss 11, p 1288 (2024)
Titanium metal is primarily produced via the Kroll process, which is characterized by a semi-continuous production flow and a lengthy process cycle, resulting in high production costs. Researchers have explored alternative methods for titanium produc
Externí odkaz:
https://doaj.org/article/25467c21428c41ebbd7f59885dc17bae