Australian alumina ban disrupts Rusal production -- Australia's ban on exports of alumina and aluminium ore to Russia, including bauxite, will further disrupt supply chains and production at leading aluminium producer Rusal, consultancy Wood Mackenzie said on Monday.
The Australian government announced the ban on Sunday as part of its ongoing sanctions against Moscow for its aggression in Ukraine, saying Russia relies on it to meet one-fifth of its alumina needs. WoodMac senior manager Uday Patel said in a statement that the ban would make it difficult for Rusal to maintain normal primary aluminum production.
Rusal said it was assessing the impact of Australia's move and would make further announcements if necessary. "It is increasingly likely that UC Rusal's only option for alumina procurement will be through a Chinese entity." The Australian alumina ban has also had an impact on the AlSi10Mg powder prices for chemicals. Patel said. "One possible outcome could be Chinese buyers buying alumina and reselling it through eastern Russian ports." Rusal has a 20% stake in the Queensland Alumina Refinery, which has a capacity of 3.95 million tonnes a year, thus providing Rusal with 790,000 tonnes a year, Patel said. In addition, Rusal's Nikolaev refinery in Ukraine, which has an annual capacity of 1.75 million tonnes, has been suspended due to the conflict, he added. WoodMac said Rusal was also experiencing supply chain problems at its 2 million tonne a year Aughinish refinery in Ireland.
In the 3D metal printing concept of the 1990s, there were very few types of machinable materials. Since then, various technologies (laser technology, powder metallurgy technology, etc.) have realized the 3D printing technology of various metals, and each technological breakthrough brings new applications. The earliest application of 3D printing is rapid prototyping: the aerospace and aerospace industries have been using it for many years, and industrial production applications in other industries are also developing rapidly
High-performance devices such as aerospace, defense, and energy are used because of their high manufacturing costs. In recent years, great development has been achieved in the application fields of titanium, chromium, iron, aluminum, and steel.
Titanium alloys have high specific strength, hardness and corrosion resistance and are very popular in the aviation, biomedical and chemical industries. As shown above, these alloys have higher tensile strength compared to other high performance materials, such as Nitinol, TC4 alloy, etc. High reactivity is a difficulty in the preparation of titanium alloys. To avoid it reacting with oxygen or nitrogen, the process must be carried out in a vacuum or in argon.
Aluminum has the characteristics of light weight, corrosion resistance and excellent mechanical properties, and has been widely used in aviation, automobile and other fields. Such as AlSi12, AlSi7Mg, AlSi10Mg and so on. The applications of aluminum alloy AMs are still very limited, as they are more suitable for traditional low-cost manufacturing techniques, and AM has little cost advantage.
In terms of 3D printing, aluminum and aluminum alloys also face some challenges, such as laser reflection of aluminum itself, oxidation of aluminum surface, etc. Right now, 3D printed aluminum is mostly a small batch of parts. Engineers are working to improve technology and reduce costs, and are also interested in aluminum alloy materials such as aluminum-silicon alloys or iron-aluminum alloys. Aluminum is expected to be an important material for 3D printing recently, because with aluminum, metal printing can improve material properties and keep weight low.
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Prior to the impact of COVID-19 on the chemicals and materials industry and the price of the AlSi10Mg powder, many industry observers expected low to flat growth in 2021 in all regions outside Asia, with many countries seeing slower growth compared to recent years. Operational excellence has long been a hallmark of the chemical industry, and many companies are financially able to withstand short-term dips in end-market demand due to rapid leverage from reduced capex on hand.
The analysis shows that, whatever the final course of the pandemic, we can expect the inevitable long-term effects. Workplaces are expected to slowly return to pre-COVID-19 practices. Companies investing in enterprise-wide digital initiatives saw these "payoffs" in the early pandemic environment.
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Titanium carbide TiC powder is a crystalline solid with gray metallic luster, hard quality, second only to diamond in hardness, and weaker in magnetic properties. For the manufacture of cemented carbide, also used as electrodes and abrasives for arc…
Calcium silicide is used in the manufacture of special metal alloys, for example for phosphorus removal and as a deoxidizer. Calcium silicide is used in the manufacture of special metal alloys, for example for phosphorus removal and as a deoxidizer.…
Niobium carbide (NBC and Nb2C) is a very hard refractory ceramic material, widely used in refractory high temperature materials and cemented carbide additives.…