When deciding what material to use for infrastructure projects, metals are often selected for their durability. However, if placed in a hydrogen-rich environment, like water, metals can become brittle and fail. Since the mid-19th century, this phenomenon, known as hydrogen embrittlement, has puzzled researchers with its unpredictable nature.
Now, a study brings us a step closer to predicting it with confidence.
"As far as I know, ours is the first study that actually looks in real time to see where cracks initiate -- and isn't at locations of highest localized plasticity," said co-author Dr. Michael J. Demkowicz, a professor in the Department of Materials Science and Engineering at Texas A&M University and Liu's PhD advisor."Our study tracks both the localized plasticity and the crack initiation locations in real time.
This study helps to lay the groundwork for better predictions of hydrogen embrittlement. In the future, hydrogen may replace fossil fuels as a clean energy source. If this change occurs, all of the infrastructure currently used to store and use fossil fuels would become susceptible to hydrogen embrittlement. Predicting embrittlement is crucial for preventing unexpected failures, making a future hydrogen economy possible.
Energy And Resources Fuel Cells Vehicles Physics Organic Chemistry Materials Science Chemistry
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