How Does High Temperature Functional Materials Producer Work?

High-temperature materials are the essential materials for energy generation, aerospace, metallurgy, chemistry, the production of inorganic materials (cement, glass, ceramic, etc.), and other process industries [1]. The advancements in high-temperature processing methods that use cutting-edge high-temperature materials are frequently associated with gains in production efficiency, energetic efficiency, and product performance in the aforementioned industries [2]. Therefore, the properties and performance of materials that withstand high temperatures play an important role in the social development. The rapid growth in global population and economic development has brought us to the crossroads of long-term sustainability and major risk of irreversible changes in the ecosystem. With the signing of the Paris Agreement, energy-efficient, green, and eco-friendly technologies and systems are critical for future growth and sustainable development. High-temperature industries (metallurgy, cement, glass, ceramic, chemical engineering, power, etc.) are among the most demanding users since they require massive amounts of energy throughout production. Advanced high-temperature technologies and materials are crucial to addressing the social concerns listed above. Furthermore, increasing production efficiency and product performance necessitates the development of innovative high-temperature materials with extended service lives and outstanding service functions [3]. To provide a forum for researchers to exchange research findings in the field of high-temperature materials, we decide to launch the journal “High-Temperature Materials” in . “High-Temperature Materials” is a peer-reviewed and open-access journal publishing original, high-quality research on all aspects of materials related to high-temperature processing in science and technology, as well as high-temperature applications in the energy generation, aerospace, metallurgy, chemical and other process industries. Original articles, reviews, communications, and perspectives are all welcome. The journal scope includes, but is no limited to: high-temperature ceramics, refractory materials, metallic materials, inorganic functional materials, metallurgical processes, and high-temperature service behavior. We hope that we can take this journal as an opportunity to work together to enhance global innovation and integration capabilities, build a global scientific and technological innovation community, promote the development of high-temperature materials, and contribute more scientific solutions to global development.

Declaration of Competing Interest

The authors declare no conflicts of interest.

References

Cold spray is a deposition method for forming a material coating on a substrate.  The method comprises of (1) pressuring a gas, (2) heating the pressurized gas to a temperature below the melting temperature of the material, and (3) directing a gas stream consisting of the gas and a powder through an outlet of a nozzle toward the substrate such that the powder is deposited onto its surface .  Cold spray deposition has been used to deposit magnetic, thermoelectric, templated microstructural, and energy storage materials.

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Another related technique is cold spray additive manufacturing, which is the sequential fast coating of ceramics and/or metals onto each other with controllable layer thickness. 

LLNL has co-developed a number of technologies thatuse cold spray deposition that enable new designs for functional materials with low waste.

The invention described in U.S. patent application no. / is a novel method that allows for the cold spray of brittle materials, such as permanent magnets; full density 3D parts that maintain their magnetic properties can be manufactured using this process.

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U.S. patent application / describes the use of single or multiple masks and aligning cold-spray particles at a nano and microstructural level in order to tailor the shape of the deposited functional materials. Periodic structures can be created or a single structure can be deposited using a more complicated mask arrangement.  By incorporating high-resolution fabrication methods to the cold spray technique, functional materials can be made with enhanced device properties.

Additionally, LLNL researchers have developed process steps for cold spraying a cylindrical all solid state battery cell or a stacked cell in which multiple layers are deposited sequentially radially outward starting from an electrode wire or on top of one another, respectively.

Image Caption: Images and topology scans of (top row) cold sprayed LLZO (lithium lanthanum zirconium tantalum oxide) and (bottom row) cold sprayed NMC (lithium nickel manganese cobalt oxide) on top of LLZTO.

If you want to learn more, please visit our website High Temperature Functional Materials Producer(ar,de,ru).