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Scientists use bubbles to build stronger, lighter cars for the future
- Scientists in Japan have found a way to strengthen lightweight metals, like magnesium alloys, using bubbles.
- This innovation could enhance electric cars by improving corrosion resistance without requiring expensive equipment.
- The research team, led by Assistant Professor Masataka Ijiri, focused on addressing magnesium's susceptibility to rust.
- Traditional coating methods for magnesium involve costly processes like ceramic plating in vacuum chambers.
- To overcome this, the team utilized cavitation, a natural phenomenon where bubbles collapse violently in a liquid.
- They applied water jet peening and multifunction cavitation to create a thicker, more robust coating on magnesium surfaces.
- The resulting magnesium phosphate coating demonstrated superior corrosion protection in salty conditions.
- This approach offers a cost-effective way to strengthen magnesium alloys without the complexity of vacuum-based coatings.
- The technology could have a significant impact on electric vehicle production by enabling the use of lighter materials with enhanced durability.
- Improved resistance to corrosion would prolong the lifespan of magnesium parts in harsh environments.
- Ultimately, this advancement aims to support the development of more efficient electric vehicles with extended range and reduced manufacturing expenses.
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