Title: carbon fibres type UHM
Long Title: IUPAC Gold Book - carbon fibres type UHM
DOI: 10.1351/goldbook.C00837
Status: current

Definition
Carbon fibres type UHM (ultra-high modulus) designates a class of carbon fibres having very high values of Young's modulus larger than \(600\ \rm{GPa}\) (i.e. greater than $\pu{55\%}$ of the theoretical \(C_{11}\) value of graphite).

Related Terms
- Young's modulus: https://goldbook.iupac.org//terms/view/M03966
- carbon fibres: https://goldbook.iupac.org//terms/view/C00831
- graphite: https://goldbook.iupac.org//terms/view/G02684

Source
- PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 482 (https://doi.org/10.1351/pac199567030473)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/C00837/html
- json: https://goldbook.iupac.org/terms/view/C00837/json
- xml: https://goldbook.iupac.org/terms/view/C00837/xml

Citation: Citation: 'carbon fibres type UHM' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.C00837
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Accessed: 2026-04-19T04:20:35+00:00