Zobrazeno 1 - 10
of 1 726
pro vyhledávání: '"Vacuum furnace"'
Publikováno v:
Serbian Journal of Electrical Engineering, Vol 21, Iss 1, Pp 39-52 (2024)
This article proposes an original method of implementing a power electronic semiconductor switch using a technological process based on metal processing in a vacuum furnace. We give schematic diagrams of the power part and the control system, and
Externí odkaz:
https://doaj.org/article/ccf59178c2854cebae817554f43c7105
Akademický článek
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Influence of the Power of Various Types of Induction Furnaces on the Shape of the Metal Bath Surface
Publikováno v:
Advances in Sciences and Technology, Vol 15, Iss 3, Pp 34-42 (2021)
The work shows the results of examinations conducted to ascertain the influence of the working power of a vacuum induction crucible furnace (ICF) and a furnace with a cold crucible(CCF), on the surface area of liquid Al-Zn alloy molten within these d
Externí odkaz:
https://doaj.org/article/2c3f02f02c01459c9e5ecda39d0bb373
Autor:
Yuefei Wang, Zhen Liu
Publikováno v:
IEEE Access, Vol 9, Pp 126765-126773 (2021)
Compared with traditional fire refining to remove impurities, the vacuum distillation method has the advantages of simple steps, high direct yield and no pollution to environment. The vacuum furnace, as the main equipment of vacuum distillation metho
Externí odkaz:
https://doaj.org/article/f1f7ed459cef4ce7adbb10c9f6bf93d2
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 57, Iss 3, Pp 371-378 (2021)
Using a reduced pressure during the smelting and refining of alloys removes dissolved gasses, as well as impurities with a high vapor pressure. When smelting is carried out in vacuum induction furnaces, the intensification of the discussed processes
Externí odkaz:
https://doaj.org/article/df637b58b429458199b2d0a15d417285
Publikováno v:
Metals, Vol 13, Iss 2, p 242 (2023)
In many industrial sectors, for example, aerospace, automotive and high-performance electronic industries, there is a significant need to join dissimilar materials. In the case of medium-strength aluminum alloys, joints are commonly manufactured usin
Externí odkaz:
https://doaj.org/article/5a304a5f2132468b9991c5ef02388932
Autor:
L. Blacha, A. Smalcerz
Publikováno v:
Metalurgija, Vol 59, Iss 3, Pp 358-360 (2020)
A research on kinetics of antimony evaporation from molten copper blister was made in a vacuum induction melting (VIM) furnace at temperatures of 1 473 and 1 523 K, and operating pressures of 8 - 133 Pa. The evaporation rate of Sb was found to be fir
Externí odkaz:
https://doaj.org/article/4e9e7d494abd4a49948de1ced46ae7a0
Publikováno v:
Yankuang ceshi, Vol 38, Iss 5, Pp 469-478 (2019)
BACKGROUND The analysis of gas chemical composition in rock and mineral can provide important information and constraints for the study of different geochemical processes of lithospheric mantle, redox environment in the earth, and water circulation i
Externí odkaz:
https://doaj.org/article/f041d57024fa42d3946cd6f611e5818f
Akademický článek
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Autor:
Norbert Kazamer, Roxana Muntean, Petru Cristian Vălean, Dragoș Toader Pascal, Gabriela Mărginean, Viorel-Aurel Șerban
Publikováno v:
Materials, Vol 14, Iss 12, p 3293 (2021)
The present study investigates the possibility to apply a vacuum furnace thermal post-treatment as an alternative solution for flame sprayed NiCrBSi wear and corrosion-resistant coatings, deposited on a low alloyed structural steel. The controlled at
Externí odkaz:
https://doaj.org/article/8cec47e3b0254d879deff6de32c26d11