Penn Engineers' 'metallic wood' gets its useful properties and name from a key structural feature of its natural counterpart: porosity. As a lattice of nanoscale nickel struts, metallic wood is full of cell-sized pores that radically decrease its density without sacrificing strength. They have now solved a major problem preventing metallic wood from being manufactured at meaningful sizes: eliminating 'inverted cracks,' a kind of defect that has plagued similar materials for decades.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/06/210629191724.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/06/210629191724.htm
Growing 'metallic wood' to new heights
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June 30, 2021
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