Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have increased the fatigue threshold of particle-reinforced rubber, developing a new, multiscale approach that allows the material to bear high loads and resist crack growth over repeated use. This approach could not only increase the longevity of rubber products such as tires but also reduce the amount of pollution from rubber particles shed during use.
More information: Jason Steck et al, Multiscale stress deconcentration amplifies fatigue resistance of rubber, Nature (2023). DOI: 10.1038/s41586-023-06782-2
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