US researchers developed a New metal league with impressive thermal and structural resistancecapable of supporting temperatures up to 800 ° C (1,400 ° F) without deformations.
Innovation has the potential to change aircraft construction, nuclear power systems, melting engines and other applications in extreme environments.
Strength above the ordinary: 1,120 MPa
In addition to being thermally resistant, the league also stands out for its amazing flow force: they are 1.120 Megapagasasais (MPA)significantly higher than conventional carbon steel, which usually reaches a maximum of 700 MPa.
The most surprising thing is that the material starts from a base of Coppergenerally known for being a malleable metal and conductor, not for its robustness.
Material Flow Force Comparison (MPa)
| Material | Type / application | Flow Force (MPa) | Observations |
|---|---|---|---|
| New copper-tantalum alloy (2025) | Advanced Research / Extreme Applications | 1.120 | Overcomes common carbon steel and resists 800 ° C |
| Carbon Steel (common) | Construction / Industry | 250–700 | Widely used but less heat resistant |
| 304 stainless steel | MEDICAL EQUIPMENT / Utensils | ~215 | Good corrosion resistance, but not ideal for high temperatures |
| Maranging Steel (High Performance) | Aerospace / Military | 1.000–2.000 | Special League with high cost and difficult manufacturing |
| Titanium Grade 5 (TI-6al-4V) | Aviation / Biomedical Implants | ~830 | Light and resistant, but more expensive |
| Aluminum 7075-t6 | Aerospace Structures / Cycling | ~503 | Mild but limited in high temperature environments |
| Nickel Superleague Inteligel 718 | Jet turbines / engines | ~1.030 | Excellent at high temperature, but much more expensive and dense |
| Pure copper | Electric / Thermal | ~70 | High conductivity, but low mechanical resistance |
How was it possible to achieve this level of hardness?
The key to this feat is in nanoengenharia. Scientists created tantal-coated copper-coated coppera noble metal highly resistant to corrosion and heat. Innovation was to include Only 0.5% lithium – Enough to change the format of these structures Stable cubes spheres Atomic level.
This small adjustment had a gigantic impact, allowing the material to maintain its integrity even in intense heat and high pressure
Study authors published in Science Magazine
Strategic applications: from space to infinite energy
With its durability characteristics and thermal resistance, this new league can be used in sectors where failures are not an option: components of hypersonic aircraft, nuclear plant turbines, melting reactors and even war systems.
The stability of the material at extreme temperatures ensures safety and energy efficiency in highly challenging environments.
Atomic design: the future of supermarkets
The research also reinforces the role of atomic scale design as a way for transform common materials into extraordinary solutions.
By thoroughly controlling internal structures, it is possible to completely change the physical behavior of a compound – in this case a league that unites the best of several worlds: conductivity, lightness, resistance and thermal stability.
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If the manufacturing process is successfully cast, this league can become Material of choice for extreme constructions of the future.
The project shows how material science can redefine what is possible to buildserving as the basis for technologies that are yet to come – and that require much more than traditional metals can offer.
Fonte: Science
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Source: https://www.adrenaline.com.br/hardware/liga-metalica-ultra-resitente-suporta-800-graus-celsius/
