National Physical Laboratory

High temperature degradation, chemical/moisture

High temperature degradationHigh temperature degradation - chemical/moisture 

NPL has a wide range of facilities for studying the high temperature degradation of materials. These include a range of furnaces capable of maintaining a controlled atmosphere at temperatures up to 1100 °C, thermogravimetric balances, high-pressure autoclaves and thermal cycling apparatus.

A range of test work is carried out for industry to evaluate material performance under aggressive conditions. These tests include:

  • Steam exposures tests at atmospheric and elevated pressure under isothermal conditions

  • Steam exposure tests at atmospheric pressure with the presence of a heat flux

  • Thermal cycling of coupons, thermal barrier coatings and tubes

  • Boiler corrosion simulations under controlled gaseous environments and deposits

  • Thermo mechanic fatigue

  • Carburisation and sulphidation tests

  • Characterisation of metal wastage

This high temperature work is complemented by our specimen preparation and microscopy suite, which enables accurate measurements and analysis of the degraded surfaces and alloys.

Contact

Customer Service tel: +44 20 8943 8681
E-mail: materials_enquiries@npl.co.uk

Last Updated: 25 Mar 2010
Created: 27 May 2009

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