Wetting behavior in ultrasonic vibration-assisted brazing of aluminum …
— In this study, Sn-Ag-Ti ternary alloy has been used as the active solder to braze pure aluminum and graphite in atmospheric conditions using ultrasonic vibration as an aid.
Wettability of Aluminium with Aluminium Carbide (Graphite) in Aluminium
Graphite filters have previously been employed based on petrol coke. Wetting between molten aluminium and graphite is studied. Al 3 C 4 is formed at the interface between aluminium and graphite. In filtration of aluminium inclusions such as Al 3 C 4 formed in the hall electrolysis are removed. Wetting between aluminium and Al 3 C 4 (graphite) is …
Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium …
DOI: 10.1016/S1003-6326(11)61410-6 Corpus ID: 206114519; Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration @article{Bao2012WettingOP, title={Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration}, author={Sarina Bao and Kai Tang and Anne Kvithyld and Thorvald Abel Engh and …
1-178 WETTING OF GRAPHITE SURFACE BY THE …
Wetting angles of aluminium on graphite decreases to 85o at 1200 0C in our experiments during 5 minutes. ing of metal drops (fig. 2 a, b), further began caused probably by …
Wettability of Aluminium with Aluminium Carbide (Graphite) in Aluminium
— Wetting of Pure Aluminium on Graphite, SiC and Al 2 O 3 in Aluminium Filtration. ... Wetting between aluminium and Al3C4 (graphite) is determined in kinetic studies in the higher temperature ...
(PDF) Wetting of Pure Aluminium on Filter Materials Graphite…
Light Metals 2009 Edited by: Geoff Bearne TMS (The Minerals, Metals & Materials Society), 2009 WETTING OF PURE ALUMINIUM ON FILTER MATERIALS GRAPHITE, AlF3 AND Al2O3 1 Sarina Bao1, Anne Kvithyld2, Sean Gaal2, Thorvald Abel Engh1, Merete Tangstad1 Norwegian University of Science and Technology, Trondheim, NO-7491, …
WETTING BEHAVIOR IN ULTRASONIC VIBRATION-ASSISTED BRAZING OF ALUMINUM
After ultrasonic vibration, the oxide layer was destroyed and the liquid solder was able to wet and spread out around the base materials. Furthermore, better wettability of the active solder was observed on the surface of graphite and pure aluminum at the brazing temperature of 773–823 K using ultrasonic waves.
Wetting of Pure Aluminium on Graphite, SiC and Al2O3 in …
— Here, we prepared a novel aluminum-graphite (Al-Gr) composite, which was capable of high-efficient production of H2O2 through selective O2 reduction via a two …
Wettability in Aluminium-Graphite Particles Composites …
The paper presents some aspects regarding the wetting conditions in aluminium – graphite composite. The wettability depends on several factors like the presence of the oxide skin at the melt surface, formation Al4C3 at the interface between Al and particles, temperature, pressure etc. In this paper, the conditions of perfect wettability of carbon by molten Al …
Wetting of pure aluminum on filter materials graphite, …
The wettability of pure aluminium on filter materials is believed to be an important factor affecting the filtration of aluminium. The contact angle of molten aluminium on graphite, alumina and AlF3 has been measured in 1 atmosphere of argon with an oxygen partial pressure of about 10-17 Pa in the temperature range of 1000-1800ºC.
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Wettability of Aluminium with SiC and Graphite in Aluminium …
— Summary This chapter contains sections titled: Introduction Experimental Procedure Results Discussion Wetting in Filtration Conclusions Future Work Acknowledgment Wettability of Aluminium with SiC and Graphite in Aluminium Filtration - Light Metals 2011 - Wiley Online Library
Wetting angle temperature dependence of …
In addition, the wetting angel of graphite with Al and high Aluminum Si alloys decreases intensively at temperatures higher than 1100 C [30]. Thus, Al addition to Si melt increases the melt ...
Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium …
— DOI: 10.1016/S1003-6326(11)61410-6 Corpus ID: 206114519; Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration @article{Bao2012WettingOP, title={Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration}, author={Sarina Bao and Kai Tang and Anne Kvithyld and …
Wettability of Aluminium with SIC and Graphite in …
In addition to wetting properties between inclusions (Al 4 C 3) and molten aluminium, the wettability of the filter (SiC) by aluminium is determined in sessile drop studies in the …
Wettability of nickel coated graphite by aluminum
— 1.. IntroductionThe wetting of liquid metals on solid metals and non-metallic materials had been studied extensively since the early 1900s 1, 2.Of particular interest to materials scientists are the systems involving aluminum and aluminum oxide (Al 2 O 3), silicon carbide (SiC), and graphite.This is mainly because of the strong possibilities of …
Sci-Hub | Wetting of pure aluminium on graphite, SiC and …
Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration. Transactions of Nonferrous Metals Society of China, 22(8), 1930–1938. doi:10.1016/s1003 …
Wetting behavior of aluminium and filtration with Al
— BAO Sarina, TANG Kai, KVITHYLD A, ENGH T, TANGSTAD M. Wetting of pure aluminium on graphite, SiC and Al 2 O 3 in aluminium filtration [J]. Transactions of Nonferrous Metals Society of China, 2012. 22, 8: 1930âˆ'1938. [5] STULL D R, PROPHET H. JANAF Thermochemical tables [R]. 2nd edition. Washington DC: National Standard …
The wetting of carbon/TiB2 composite materials by aluminum
— The wetting of aluminium upon hot pressed TiB 2in vacuum was investigated by Rhee [8] and Samsonov [9]. ... In the present study the contact angles formed by aluminium on pure hot-pressed TiB 2 graphite,, carbonaceous cement and carbon/TiB2 composites in the presence of cryolite-alumina melts were determined. …
Wetting of pure aluminum and selected alloys on …
DOI: 10.1016/J.MSEA.2007.10.113 Corpus ID: 136833258; Wetting of pure aluminum and selected alloys on polycrystalline alumina and sapphire @article{Klinter2008WettingOP, title={Wetting of pure aluminum and selected alloys on polycrystalline alumina and sapphire}, author={Andreas J. Klinter and Guillermo Mendoza-Suarez and Robin A L …
Wettability of SiC by aluminium and Al-Si alloys
The variations with time of the contact angle formed by molten pure aluminium or Al-Si alloys with single crystalline SiC were measured by the sessile drop method in a vacuum of 10−4 to 10−5 Pa at temperatures ranging from 933 to 1200 K. In the Al/SiC system, a "non-wetting-wetting" transition was observed at a temperature that decreases as time …
Sci-Hub | Wetting of pure aluminium on graphite, SiC and …
BAO, S., TANG, K., KVITHYLD, A., ENGH, T., & TANGSTAD, M. (2012). Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration.
(PDF) Wetting of Pure Aluminium on Filter …
The experiments were performed with a substrate of either alumina, graphite (ISO-88) or AlF3 and 99.999% pure aluminium. The aluminium was cut into small 3mm cubes, then ground with 320 mesh SiC paper …
WETTABILITY OF ALUMINIUM WITH SIC AND GRAPHITE …
The experiments were carried out using 99.999% pure aluminium and substrates produced from 98.9% single crystal SiC (Washington Mills, Norway) and ISO-88 Graphite substrates.
Wetting of Pure Aluminium on Graphite, SiC and Al 2 O 3 in Aluminium …
— Wetting angle,, was reduced by a factor as large as 2.8 for pure aluminium on reaction-bonded, compared with sintered silicon carbide, attributable to partial dissolution by the aluminium of the ...
Wetting of pure aluminum and selected alloys on …
Materials Science and Engineering A 495 (2008) 147–152 Wetting of pure aluminum and selected alloys on polycrystalline alumina and sapphire Andreas J. Klinter∗, Guillermo Mendoza-Suarez, Robin ...
Survey on wetting of SiC by molten metals
— The reactivity of the pure metals with SiC directly affects the interfacial reactions, wetting and bonding. Based on the research results of Kurokawa and Nagasaki [35] and the reviews of Rabin [36] and Li and Zhang [37], the pure metals may be classified into four categories according to their reactivity with SiC, as shown in Table 1.For the …
Wetting of pure aluminium on graphite, SiC and Al2O3 in …
Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration Abstract ...
Wetting of pure aluminium on filter materials graphite, …
— The wettability of pure aluminium on filter materials is believed to be an important factor affecting the filtration of aluminium. The contact angle of molten aluminium on graphite, alumina and ...
Wetting of Binary Aluminum Alloys in Contact with Be, B4C, and Graphite
Sessile drop contact angles between liquid aluminum alloys and solid beryllium, boron carbide, and graphite were measured to 840°C under vacuum and in helium. Little wetting occurred between most of the combinations, but at 20% magnesium the contact angle on beryllium decreased to 68°. Low contact angles were noted for the binary aluminum …
Wetting of pure aluminum and selected alloys on
— Schematic of a section through the graphite syringe. For the wetting experiments, the substrates are placed inside the tube in the hot-zone of the furnace. ... Fig. 9, Fig. 10 show the equilibrium wetting behavior of pure aluminum and the three alloys on alumina and on A-plane sapphire respectively.
Wettability of Aluminium with SiC and Graphite in …
To study wetting of SiC and graphite in such a system, a high vacuum laboratory furnace containing only a minute amount of oxygen has been chosen. ... The experiments were carried out using 99.999% pure aluminium and substrates produced from 98.9% single crystal SiC (Washington Mills, Norway) and ISO-88 Graphite substrates. The
Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium …
— The wettability of pure aluminium on filter materials and on inclusions is believed to be an important factor affecting the filtration of aluminium. The contact angles of molten aluminium on alumina, SiC and graphite were measured under 10−8 bar high vacuum in the temperature range of 1000–1300 °C. To describe the wetting behaviour of …
Wettability of Aluminium with SIC and Graphite in Aluminium …
— The wettability of molten aluminum on solid alumina substrate has been investigated by the sessile drop technique in a 10 8 bar vacuum or under argon atmosphere in the temperature range from 1273 ...
Wetting behavior of aluminium and filtration with Al2O3 …
— This indicates that the improved wetting of aluminium on a filter material is an advantage for molten metal to infiltrate the filter during priming. Also, better wetting of Al-filter might increase the removal efficiency of inclusions during filtration due to better contact between filter and metal. ... Wetting of pure aluminium on graphite ...