Rare Earths - Alkane Resources Ltd
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Rare Earths

Rare earths are a group of specialty metals critical to a wide range of modern technologies and future industries because of their unique properties. Australian Strategic Materials represents a new and significant source of rare earth elements that is independent of China. Our products include those in high demand for permanent magnets used in electric vehicles, wind turbines, robotics, personal technology and other applications.

Product information: Rare Earths

Australian Strategic Materials will produce a suite of separated rare earth oxides for up to 15 rare earth elements (including neodymium, praseodymium, terbium and dysprosium) in purities up to 5N (99.999%). A range of product specifications will be available, with exact chemistries and particle properties to be designed and tailored based on market demand. In addition to producing a standard range, we will make products to specification under terms of the utmost confidentiality.

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A source of rare earths outside China

Australian Strategic Materials represents a new and unique source of critical rare earths that is independent of the dominant Chinese market. We will produce significant volumes of 15 rare earths, including neodymium, praseodymium, terbium and dysprosium, which are in high demandfor permanent magnets used in high-volume markets such as renewable energy, electric vehicles, personal technology and robotics.

At present, around 90% supply of these high-value rare earths is from China, making the globalrare earths market sensitive to changes in China’s manufacturing sector. New domestic policies, such as Made in China 2025, announced in March 2017, are expected to have the unintended consequence of restricting rest-of-world supply due to consumption by downstream Chinese manufacturers.

With Australian Strategic Materials, manufacturers need no longer rely on China for long-term supply of rare earths. Our products will be mined and recovered at our plant near Dubbo in New South Wales, Australia. We will be one of few manufacturers outside China to supply a range of heavy rare earths (including terbium and dysprosium). Our rare earths concentrate will be toll processed into an extensive range of downstream oxides and metals by our strategic partners. Australian Strategic Materials’s sustainable supply chain offers technology manufacturers transparency, reliability, product value and shorter lead times.

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About rare earths

The rare earths are a set of 17 elements that share similar properties and are usually found together in geological deposits, requiring advanced metallurgical processing to recover and separate. They consist of the 15 lanthanide elements on the period table, along with scandium and yttrium. The most abundant rare earths are lanthanum, cerium and neodymium, all considered light rare earths, along with praseodymium and samarium. These elements typically comprise 98-99% of rare earth resources. The heavy rare earth elements make up the balance and are significantly less abundant. These comprise europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium. Yttrium and scandium are also found in the same mineral resources.

Rare earths each have their own individual demand drivers, challenges and technology innovations. The key driver of the rare earths industry in recent decades is their application in permanent NdFeB magnets, where neodymium, praseodymium, dysprosium and terbium are used. Lanthanum, cerium and some of the other elements are widely used in applications such as catalysts, metallurgy, polishing, glass, ceramics and phosphors.

Rare earth magnets

The key driver of the rare earths industry in recent decades is their application in permanent NdFeB magnets, for which neodymium is a key component. The additional presence of praseodymium contributes improved corrosion resistance with minimal reduction of magnet performance, while terbium and dysprosium each improve magnetic performance at high temperatures.

NdFeB magnets are essential for a growing number of applications involving electric motors, especially sustainable technologies and industries, where they are a vital component of wind turbine generators and electric vehicles. The high energy to weight ratio of NdFeB magnets has also facilitated the miniaturisation of computers, portable consumer electronics and smart devices. Other uses include medical imaging equipment, such as MRIs.

Clean and renewable energy

A growing number of wind turbine generators incorporate rare earth magnets in their operations. A modern 3MW wind turbine uses 600kg of rare earths.

Hybrid and electric vehicles

Hybrid and full electric vehicles contain large quantities of rare earths. A typical hybrid car contains approximately 28kg of rare earths, including 1kg in the motor and 10-15kg in the battery. Rare earth magnets are also used extensively in small ancillary electric motors, including starter motors, brake systems, seat adjusters and car stereo speakers. Rare earths are also present in sensors, LCD screens, glass and mirrors.

Manufacturing and transport

Catalysts are a major market for rare earths, particularly fluid catalytic cracking (FCC) catalysts to separate petroleum products (such as fuels) from crude oil,and automotive catalytic converters to reduce harmful emissions in exhaust gases.

Modern healthcare

Rare earth magnets are a key component of magnetic resonance imaging (MRI); an average MRI machine contains 700kg of rare earth metals. Rare earths are also used in diagnosis and treatment of ailments including some cancers and rheumatoid arthritis.

Electronics and communications

The unique properties of rare earths are crucial for the latest fibre optic technologies that power the internet and telephone communications. They are also essential for a range of electronics, including computer components, global positioning systems (GPS), sonar, defence systems and lasers.

Personal technology

Rechargeable batteries power many electronic devices (including electric cars). Approximately 25% of nickel-metal hydride rechargeable batteries are rare earths. Rare earths are also essential for various lightweight computer components found in smart devices, including global positioning systems (GPS).