Invar
Basics
- A Nickel Iron Alloy that has the advantage of a low Coefficient of Thermal Expansion
- Main use case is in various measuring tools where dimensional stability is needed
- Examples are:
- Precision Clock Components
- Precision Scientific Instruments
- Standards (Metrological Context)
Internal Links
External Links
- The Wikipedia Page on Invar
- A 1911 Paper That Mentions Invar's Properties and why it was not chosen for the Prototype Meter at page 3 of the file (or page 432 of the publishing) (Seems it creeps over time, although this is only relevant as a primary standard?)