Rio Tinto and Amaero collaborate on aluminium-scandium alloy for AM

March 16, 2021

Rio Tinto, headquartered in London, UK, has signed an agreement to provide aluminium-scandium alloy from its North American operations to Amaero, a producer of additively manufactured parts and AM service provider based in Notting Hill, Victoria, Australia.

Under the agreement, Rio Tinto will deliver alloy billets made of responsibly-produced, low-carbon aluminium from its hydro-powered Canadian smelters and high-purity scandium oxide from its Rio Tinto Fer et Titane (RTFT) metallurgical complex in Sorel-Tracy, Quebec, Canada. The billets will be processed by Amaero into powder for Additive Manufacturing and offered to the market for high temperature applications.

The scandium oxide will be supplied from a new plant in Sorel-Tracy, reportedly the first North American supply source. The plant will use an innovative recovery process developed by Rio Tinto scientists to extract high-purity scandium oxide from the waste streams of titanium dioxide production, without the need for any additional mining.

The companies will also collaborate in the development of the supply chain and commercialisation of Amaero’s high-performance, high operating temperature aluminium alloy, Amaero HOT Al.

Rio Tinto Aluminium Sales and Marketing vice president, Tolga Egrilmezer stated, “As a global leader in aluminium, and the first producer of high-quality scandium oxide in North America, Rio Tinto is uniquely positioned to provide a secure source of aluminium-scandium alloy to the market.”

“Aluminium-scandium alloy is the material of choice where a lightweight, high-strength material with thermal resistance and good welding properties is needed, such as for defence and aerospace applications. This first sale demonstrates our ability to develop products that meet our customers’ needs, drawing on our technical expertise and world class assets,” Egrilmezer added.

“We are very pleased to enter this agreement with Rio Tinto to purchase the first commercial batch of aluminium scandium alloy from a North American source,” commented Barrie Finnin, Amaero CEO. “This is an important step in the commercialisation of this high-performance alloy that will be used in our breakthrough 3D metal printing technology. We look forward to working with Rio Tinto to progress the production of the alloy so we can commence the qualification process with key customers in the aerospace sector and other industries.”

www.riotinto.com

www.amaero.com.au

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