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New discovery about copper UPSC NOTE

 Historical Significance of Steel

  • Steel's hardness revolutionized human civilization, impacting warfare, agriculture, and construction compared to bronze.

Copper's Limitations

  • Traditionally, copper is softer than steel and weakens further at higher temperatures.

New Research on Copper

  • Scientists discovered that subjecting copper to extreme strain rates (using lasers) makes it behave like a much harder material, even at high temperatures. 

  • This is counterintuitive because normally heat weakens metals.

Mechanism Behind the Change

  • The high strain rate activates new "strengthening mechanisms" within the copper, likely due to changes in how the material resists deformation.

Potential Applications

  • This discovery could lead to new strategies for designing materials used in extreme conditions like high-speed manufacturing and aerospace.

Comparison to Steel

  • At a high strain rate and 177°C, the strengthened copper reached a level of strength comparable to regular stainless steel at that temperature.

Broader Impact

  • The research challenges traditional ideas about how metals respond to strain rate and temperature, potentially impacting various fields that rely on engineered metals.


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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: New discovery about copper UPSC NOTE
New discovery about copper UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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