Study yields breakthroughs in understanding failure of high-performance fibers

May 20, 2020

A microscopic view of a high-performance polymer fiber after bending.
A microscopic view of a high-performance polymer fiber after bending. The image illustrates the separation of microscopic bundles within the fiber, a phenomenon that Nebraska’s Yuris Dzenis and his colleagues recently analyzed for the first time. The team’s analysis, and the new technique that yielded it, could inform the design of more-resistant, longer-lasting fibers.
American Chemical Society / ACS Applied Materials and Interfaces

For many, the phrase probably conjures the signature bundles of red licorice (and the only real way to eat them). To material scientists like the University of Nebraska–Lincoln’s Yuris Dzenis and his colleagues, though, it represents a useful metaphor for the surprisingly similar structure of the high-performance fibers found in body armor and aerospace engineering.

It could also describe a powerful new technique for analyzing and, Dzenis hopes, ultimately combating the failure of those polymer fibers — not a decade too soon.

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