The new issue of the British Journal of NatureMaterials reported that American researchers have produced a new type of alloy material that is the best material to date in terms of strength and toughness.
In materials science, strength refers to the ability of a material to withstand stress without permanent deformation, while toughness is the ability to resist chipping. Glass is better than toughness, while iron and other metals are the opposite.
Marios Dimitrieu et al. of the California Institute of Technology, using metal palladium as the main material, added a small amount of silver and other elements, and rapidly cooled it in a molten state to obtain a glass-like internal structure. New alloy material. Experiments have shown that this new material has a combined performance in strength and toughness over any other known material.
According to reports, this technology has made the alloy have a similar glass structure, but the performance of alloys obtained by using other metals in the past is not satisfactory. The success of this study was to find the right formula. Dimitriu said that the deep reason why palladium, silver and other metals can produce strong and tough alloys is still unclear, and further research will be conducted on this.
Since palladium is an expensive metal, this new material is temporarily difficult to apply on a large scale. Researchers believe that the most suitable use at present is to manufacture dental products that require high strength and toughness. However, they are also exploring the use of cheap metals such as copper, iron or aluminum to make similar alloy materials.
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Tag: USA Toughness Alloy
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