Method of characterizing the thermal ageing of composite materials, in particular composite materials having an organic matrix
US9995699B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2017 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | May 8, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N25/4866
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure relates to a method of characterizing the thermal ageing of a part made of composite material, in particular a composite material having an organic matrix. The method includes taking from the part a sample of composite material, subjecting the sample to modulated temperature differential calorimetry, determining, from the curve representing the total heat flow component associated with irreversible phenomena, the temperature at which a local extremum appears, this local extremum being characteristic of the thermal ageing, and determining the thermal ageing of the composite material by comparing the temperature at which the local extremum appears with a reference chart.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.