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Metallurgy Load cycling of metal components leads to fatigue and ultimately failure through the propagation of cracks. Koyama et al. took inspiration from bone to develop a steel with a… Click to show full abstract
Metallurgy Load cycling of metal components leads to fatigue and ultimately failure through the propagation of cracks. Koyama et al. took inspiration from bone to develop a steel with a laminated substructure that arrests cracks. The resulting hierarchical material has much better fatigue resistance properties than other iron alloys. The strategy need not be limited to steel; other metal alloys should also benefit from this type of microstructural engineering. Science , this issue p. [1055][1] [1]: /lookup/doi/10.1126/science.aal2766
Journal Title: Science
Year Published: 2017
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