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news Chemistry Evidence status: Peer reviewed · Laboratory materials study

Niobium–titanium alloys stay tough at 20 K (−253 °C) in lab tests

Two niobium–titanium alloys showed no ductile-to-brittle transition at 20 K (−253 °C) in Nature lab tests. How twins make new defects, and what's unproven.

What it does not show Three pull tests and two fracture tests per temperature on lab-made alloys, at an estimated 18–25 K; no real parts, fatigue or hydrogen tests

By Murad Ali Khan 13 min read
Primary sourcesResearch and official data linked in context
Evidence calibratedObservation, interpretation and speculation separated
Corrections welcomeTransparent updates and a direct reporting channel

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