Servicio de Información Comunitario sobre Investigación y Desarrollo - CORDIS


HITHEX Informe resumido

Project ID: G5RD-CT-2000-00218
Financiado con arreglo a: FP5-GROWTH
País: Netherlands

Complex corrosion test

IE-JRC has developed the methodology of complex corrosion testing on a laboratory scale to achieve the following technical objectives:
- To test at high temperature, up to 1300°C, although the methodology and equipment is capable of increasing this to 1500°C, under quasi-isothermal conditions in a simulated combustion environment containing 6vol% water vapour, the oxidation/corrosion resistant properties of a wide range of ceramic composite materials. The test cycle is 100h at high temperature, heating and cooling being achieved by control of the furnace.

- Because the test materials of this project are exceptionally sensitive to oxidation, the heating and cooling was carried out under an inert argon atmosphere to avoid oxidation damage during the non-isothermal part of the cycle.

Total exposure times were up to 2000h and materials were withdrawn from testing after the recognisable breakdown of the oxidation/corrosion protection coating, as measured by weight loss during the inter-cycle down time.

This test is complementary to the thermocyclic oxidation test, both of which taken together allow a ranking of different materials and protective coating systems.

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Commission of the European Communities
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