Salmeron Perez, N; Shaw, R M; Gower, M R L (2022) Mechanical testing of fibre-reinforced polymer matrix composites at cryogenic temperatures (-165 °C). NPL Report. MAT 112

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Abstract

This report details a programme of work undertaken to investigate the tensile and compressive properties of carbon and glass thermoset and thermoplastic fibre-reinforced polymer (FRP) composites at cryogenic temperatures; down to -165 °C (108 K) the boiling temperature of liquified natural gas (LNG) at atmospheric pressure. Tension and compression tests were carried out in general accordance with ISO 527-4 [1] and ISO 14126 [2], respectively.

The document presents the outcomes of the second stage of work to develop capabilities for mechanical testing of FRP composites at cryogenic temperatures within the National Measurement System (NMS) project “Polymer Composites Metrology in Support of Regulations, Codes and Standards (RCS) Infrastructure”, undertaken by the Advanced Engineering Materials (AEM) Group at the National Physical Laboratory (NPL). The project’s key objectives are to develop capability suitable for investigating the mechanical properties at cryogenic temperatures of composite materials used in liquified natural gas (LNG) and liquid hydrogen (LH2) distribution and storage applications.

The insights provided in this report have been entirely generated by NPL, alongside thorough relevant published literature and existing standards review.

Item Type:	Report/Guide (NPL Report)
NPL Report No.:	MAT 112
Keywords:	Composites, Cryogenics, Mechanical testing
Subjects:	Advanced Materials > Composites
Divisions:	Materials and Mechanical Metrology
Identification number/DOI:	10.47120/npl.MAT112
Last Modified:	14 Nov 2022 15:28
URI:	https://eprintspublications.npl.co.uk/id/eprint/9595