Materials Science
The plastic bracket passed every test, then bent in a parked car. Plastics do not have a strength — they have a strength at a temperature, for a duration
26 Sept 2026 · 11 min read
A polymer's stiffness can fall by a factor of a thousand across thirty degrees, and it deforms continuously under a load it comfortably survives for an hour. Neither fact appears in the number most people read off the datasheet.
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