Palladium Silver Membranes Tensile and Fatigue Testing

Description

The scope of this procurement is to appoint a suitably qualified supplier to undertake a programme of mechanical testing on palladium-silver membrane assemblies to generate design data that supports their application in hydrogen purification systems for the STEP fuel cycle. The supplier shall provide the specialist facilities, equipment, technical expertise, and personnel necessary to conduct slow strain rate tensile (SSRT) testing and strain-controlled fatigue testing under representative operating conditions. Testing shall be carried out at elevated temperatures between 400 °C and 500 °C in gaseous hydrogen at pressures of up to 10 bar. Where required, the supplier shall also undertake in-situ hydrogen permeation testing before and during mechanical loading to assess membrane performance under operational conditions. The supplier shall be responsible for collecting, analysing, and reporting all test data, including the mechanical properties and performance characteristics of the membrane assemblies, and shall provide comprehensive test reports containing the test methodology, raw and processed data, analysis, observations, and conclusions suitable for engineering assessment and future design activities. All testing shall be undertaken using appropriately equipped laboratory facilities capable of safely operating under elevated temperatures and pressurised hydrogen environments, in accordance with recognised industry standards or agreed test procedures, with appropriate quality assurance and full traceability throughout the programme. The outputs from this procurement will provide STEP-relevant mechanical property data to support the development, qualification, and future deployment of palladium-silver membrane technology for hydrogen purification applications.

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