Term: puffing
https://doi.org/10.1351/goldbook.P04941

Definition:
An irreversible expansion of some carbon artifacts during graphitization heat treatment between 1650 and 2700 K.

Note: Puffing is caused by the release of heteroatoms, for instance sulfur atoms, from the @C01142@ in @A00472@ with specific microstructural rearrangements.

Related Terms:
1) coke (http://doi.org/10.1351/goldbook.C01142).
2) carbon artifacts (http://doi.org/10.1351/goldbook.C00823).
3) graphitization heat treatment (http://doi.org/10.1351/goldbook.G02692).
4) association (http://doi.org/10.1351/goldbook.A00472).

Source: PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 502 (https://doi.org/10.1351/pac199567030473)

Citation: 'puffing' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.P04941

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