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 Alloy

# R-Phase

## Definition

An intermediate crystallographic phase between austenite and martensite in NiTi alloys. Files manufactured in the R-phase exhibit exceptional flexibility and resistance to cyclic fatigue.

## Related File Systems

[TF Adaptive](https://endo-guide.app/system/tf-adaptive)

## Clinical Guides

[Canal Preparation](https://endo-guide.app/canal-preparation)

## Related Terms

[C.Wire](https://endo-guide.app/glossary/c-wire)[Fire-Wire](https://endo-guide.app/glossary/fire-wire)[EDM (Electrical Discharge Machining)](https://endo-guide.app/glossary/edm)[MaxWire](https://endo-guide.app/glossary/maxwire)[NiTi Generations](https://endo-guide.app/glossary/generation)[NiTi (Nickel-Titanium)](https://endo-guide.app/glossary/niti)

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