University of Alberta representatives are behind the latest breakthrough. The alloy they obtained was known as AlCrTiVNi5is the main character of the article published in Materials today. As the authors of the publication explain, their materials are resistant even to very high temperatures. There’s also corrosion protection and impressive performance.
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Hydrogen seems to be the natural solution to the need to develop alternative energy sources that do not lead to the emission of greenhouse gases, as is the case with fossil fuels. In the case of fuel cell electric cars, the combustion of hydrogen produces water vapor and warm air. Unfortunately, the whole process is problematic.
It has to do with the combustion temperature of the fuel, which ranges from 600 to 1500 degrees Celsius. With these extreme values, the components that make up a hydrogen engine must be extremely durable. In addition, there is a lack of corrosion resistance, which may develop due to the presence of water vapor. The answer to these pressing problems is an alloy of aluminum and nickel, which, according to its creators, should define the future of hydrogen engines.
The alloy is known as AlCrTiVNi5 It shows high resistance to extreme temperatures and a favorable environment for corrosion
Alkartifni5 Dominate the competition. Engines made from it are more resistant to high temperatures and an environment favorable to corrosion. Computer modeling played an important role in trial-and-error experiments, thanks to which scientists were able to analyze the properties of each potential candidate.
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While the previously used alloys lasted a maximum of 24 hours in the test environment, the new material performed much better in this regard. Experiments showed that it survived for 100 hours at a temperature of 900 degrees Celsius. Add to that the conditions that favor corrosion, and we have a really strong candidate. This should be useful in the context of plans to implement 100% hydrogen engines, which are scheduled to take place by 2026.
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