MAX Phases

MAX Phases

Horlait (ICL) Development of MAX phases (stabilized Zr2AlC and Cr-Ti-Al-C composites) for use in the nuclear industry; April 2014 – June 2015: A leveraged project with the goal of developing MAX-based phases suitable for protecting conventional Zr alloy nuclear fuel cladding in the case of a severe, Fukushima-type, accident. Input to the work in the form of know-how, samples, calculations and time, has been provided by the CARAT consortium (led by Westinghouse), the NNL, the Universities of Wisconsin, Drexel and Coventry, and ANSTO in Australia. Amongst other deliverables, the work led to the synthesis of the first Bi-containing MAX phase and production of some unexpectedly oxidation resistant phases in the Cr-Ti-Al-C quaternary system. The latter are deemed worthy of further investigation, and not only for the target application, since such performance is unusual for MAX phase-based materials.