Nitinol in 1959: Buehler NOL
The behaviour of Nitinol is written as 1959’s “Buehler NOL,” fixed by 1. An advert’s adjective is not a melting point. “Room temperature” alone is not a figure. Scores compare Nitinol with the rest of the atlas on strength, heat, fire behaviour, insulation, workability and circularity. They are editorial, not certificates.
Nitinol is sold as grades, not as a single substance. Chemistry NiTi (~50/50 at.%), density ~6.45 g/cm³, heat band ~1310 °C. This atlas treats Nitinol as a system: mill route, coatings, tests and the cavity it sits in. Conductivity note: ~10–18 W/m·K. Insulation score 12/100 is relative to 32 entries — metals lose, VIPs and aerogels win.
Fire letter in editorial use: A1 metal. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide. Origin: NOL 1959 Buehler, United States. The process chapter follows feedstock → conversion → forming → finish → install. Uses span buildings to defence / safety. Pairings matter: titanium.
Circularity mark 36/100. Ask which scrap, which certificate, which year. Related atlas entries, a short glossary, and three threads that keep Nitinol honest. The medical metal without the phase trick. Another lab celebrity with thinner products. EN 13501-1 reaction-to-fire letter (A1–F), not a wall rating.
“Buehler NOL” for Nitinol in 1959 carries 1. Praise without that figure is not a property.1959
Figures to keep
- Year of the condition
- 1959
- Property figure
- 1
- Material
- Nitinol
- Use line
- Buehler NOL
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