Comparison of positive and negative Poisson's ratio under axial compression. Materials with positive ν (left) expand laterally when compressed, whereas auxetic structures with negative ν (right) contract laterally, becoming denser.
Understanding Poisson’s Ratio: The Critical Failure Point Most Engineers Miss
What is Poisson Ratio: The Unseen Force That Moves Materials. A rubber band becomes thinner when you stretch it. When foam cushion is compressed, it swells out. What appears to…
