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.. 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 …

Figure 4. Change of contact angle vs. wetting time of liquid Al (900 C) on the cathode materials with various TiB 2 contents On the other hand, a chemical reaction to form carbide may

Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration BAO Sarina 1, TANG Kai 2, Anne KVITHYLD, Thorvald ENGH 1, Merete TANGSTAD 1. Department of Materials Science and Engineering, Norwegian University of Science and Technology, No-7491, Trondheim, Norway; 2. SINTEF Materials and Chemistry, No-7465, Trondheim, …

The aim of aluminium filtration is to remove inclusions such as Al3C4. For inclusions to be removed they have to come in close contact with the filter walls composed of Al2O3 or SiC. It is therefore important that the molten aluminium has close contact with the filter wall. In addition to wetting properties between inclusions (Al4C3) and molten aluminium, the …

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 …

1-179 decreasing is caused by weak interaction of the molten metal with graphite [3,4]. It's also can be seen, that wetting angles for Al and Al-Ti alloy are in good coincidence.

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 …

The wetting behaviour of the Al-graphite (or Al-Al 4C 3) system will be investigated from the view point of inclusion-metal wettability in filtration. During the last few decades, several studies had been devoted to the wetting behaviour of the Al-graphite system. As a reactive wetting system, it is agreed that 1) the final or steady contact

 — 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 ...

 — 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

 — 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 …

 — The wettability of molten aluminum-silicon alloys with silicon contents of 0, 6, 10, and 20 mass pct on graphite substrates by changing the placing sequence of aluminum and silicon and the surface tension of those alloys were investigated at 1273 K (1000 °C) using the sessile drop method under vacuum. The results showed that the wetting was …

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

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 …

 — 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 …

 — 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 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 …

 — 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 between aluminium and Al3C4 (graphite) is determined in kinetic studies in the higher temperature range 1000–1200°C. ... The wettability of pure aluminium on filter materials is ...

Wetting of pure aluminium on graphite, SiC and Al2O3 in aluminium filtration Abstract ...

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 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 ...

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 …

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 ...

 — 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 ...

 — 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 …

Exports In 2022, Mexico exported $7.93M in Graphite, making it the 12th largest exporter of Graphite in the world. At the same year, Graphite was the 697th most exported product in Mexico. The main destination of Graphite exports from Mexico are: United States ($7.59M), Canada ($153k), Germany ($82.6k), Colombia ($42.8k), and India ($20.1k).

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 …

 — 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.