## Wikipedia - Fibra di carbonio carbon fibres type LM

https://doi.org/10.1351/goldbook.C00836
Carbon fibres type LM (low modulus) are @C00831@ with @I03353@ structure, tensile modulus values as low as 10% of the $$C_{11}$$ values of the @G02684@ single crystal, and low strength values.
Note:
The term carbon fibres type LM is sometimes used for various types of @I03354@ fibres known as @P04678@ or @R05161@ that have not been subjected to hot-stretching. Such fibres are not used for reinforcement purposes in high-performance composites.
Source:
PAC, 1995, 67, 473. (Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)) on page 482 [Terms] [Paper]