Tungsten and beryllium armour development for the JET ITER-like wall project

H. Maier (Corresponding Author), T. Hirai, M. Rubel, R. Neu, Ph. Mertens, H. Greuner, Ch. Hopf, G.F. Matthews, O. Neubauer, G. Piazza, E. Gauthier, Jari Likonen, R. Mitteau, G. Maddaluno, B. Riccardi, V. Philipps, C. Ruset, C.P. Lungu, I. Uytdenhouwen