Achievements
Achievement
In recent years, as global demand for clean energy has surged, high‑efficiency energy storage technologies have become a major research focus in the energy sector. Among these, latent heat thermal energy storage (LHTES) has attracted considerable attention due to its high energy density and excellent stability. Recently, a joint team comprising researchers from the Norwegian University of Science and Technology and Poland’s Warsaw University of Technology, among other institutions, published a groundbreaking study in the journal Results in Engineering: they have, for the first time, successfully developed microcapsules containing an ultra‑high‑temperature phase change material (PCM) based on a silicon–iron eutectic alloy. This material can operate at temperatures exceeding 1,200°C, with an energy storage density far surpassing that of existing technologies. In this article, we will explore this cutting‑edge advancement, covering its background, underlying technical principles, experimental results, and potential future applications.
With the rapid advancement of 3D printing (additive manufacturing) technology, demand for high-performance metal powders continues to grow, particularly in sectors such as aerospace, automotive, and medical industries. As a next-generation metal powder, titanium-based composite powders have become a research hotspot due to their excellent properties, including light weight, high strength, and corrosion resistance. However, conventional powder‑making methods suffer from issues like uneven particle size, severe agglomeration, and compositional heterogeneity, which limit their practical applications. Recently, an innovative ultrasonic atomization technique has offered a new solution to these challenges. This paper provides an in-depth exploration of “Preparation and Performance Study of Multi‑Scale Enhanced Titanium‑Based Composite Powders via Ultrasonic Atomization,” proposed by Professor Dong Fuyu of Shenyang University of Technology and his colleagues. It examines the process flow, microstructure, mechanical and functional properties, and potential future applications of this advanced material.
In the aerospace sector, nickel-based superalloys have long been the material of choice for manufacturing critical engine components, thanks to their outstanding high-temperature performance. With the advancement of additive manufacturing technologies, the demand for high-quality nickel-based superalloy powders has grown increasingly urgent. However, conventional powder‑making methods either fail to meet quality standards or suffer from low efficiency, posing significant challenges to the industry. Fortunately, a new approach—Self‑Impact Ultrasonic Atomization (SIUA)—developed by a team at Dalian University of Technology has successfully overcome these limitations, opening up a promising new pathway for producing nickel‑based superalloy powders.
This paper presents a recent research achievement: powder production using the rePowder ultrasonic atomization system from AMAZEMET. Through systematic design and microstructural control, an innovative aluminum alloy has been successfully developed, exhibiting high strength, excellent ductility, and superior high-temperature resistance, thereby opening up new prospects for enhancing the performance of aluminum alloys in additive manufacturing.
With the continuous advancement of materials science, the demand for high-performance alloys with superior corrosion resistance and wear resistance is steadily increasing. Particularly in industries such as aerospace, energy, and electronics, the performance requirements for coating materials are constantly rising. Traditional preparation methods—such as powder metallurgy and mechanical milling—are increasingly unable to meet the needs for precise control and functionalization of complex materials. Against this backdrop, ultrasonic atomization, a green and highly efficient powder‑production technology, has emerged as a cutting‑edge approach and is rapidly becoming a focal point in the research and development of advanced materials.
This paper provides a detailed analysis of an innovative powder‑preparation technique—ultrasonic vibration‑assisted melt atomization—proposed by Professor Dong Fuyu of Shenyang University of Technology and colleagues, focusing on its application in the production of high‑entropy alloy powders. In particular, it presents research findings on the TiZrTa0.7NbMo high‑entropy refractory alloy, offering new avenues for the development of advanced materials with superior high‑temperature performance and mechanical strength.
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