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Fracture Experiments

All articles tagged with #fracture experiments

"Groundbreaking Discovery: Metal Exhibits Astonishing Self-Healing Abilities, Baffling Scientists Worldwide"
science-and-technology2 years ago

"Groundbreaking Discovery: Metal Exhibits Astonishing Self-Healing Abilities, Baffling Scientists Worldwide"

Scientists at Sandia National Laboratories have observed self-healing in metal, a phenomenon predicted by Dr. Michael Demkowicz a decade ago. The researchers discovered that a microscopic crack in platinum stopped growing and began to shorten when subjected to repetitive stretching, effectively healing itself. The findings, published in the journal Nature, provide evidence that self-healing in metals is not just science fiction. The study used nanocrystalline metals, which have a small grain size that allows for more interaction with microstructural features. The researchers believe that further exploration and optimization of microstructures could lead to potential applications in various fields, including space technology.

Metal Crack Healing: 2013 Prediction Confirmed
science-and-technology3 years ago

Metal Crack Healing: 2013 Prediction Confirmed

Researchers at Sandia National Laboratories have observed autonomous crack healing in metal, confirming a prediction made in 2013. The experiment involved studying fatigue crack growth in nanocrystalline metals, and the crack unexpectedly stopped growing and began to shorten, effectively healing itself. The findings suggest that self-healing metals may have potential applications in various fields, although further research is needed to optimize microstructures for self-healing in conventional metals with larger grain sizes. The study highlights the importance of theoretical models in understanding material behavior.