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[en] Proposing beryllium as plasma facing armour this paper presents the recent results obtained in Russia in the frame of such activities. Last year testing of actively cooled mock-ups produced by fast brazing of Be onto Cu-alloy heat sink allows to consider mentioned Russian method as promising for both PH-copper like CuCrZr and DS-copper like GlidCop. Summarizing recent experimental results with their previous data authors attempt to comparatively investigate a behaviour of Be/CuCrZr and Be/GlidCop joints in ITER relevant conditions. Mechanical properties, brazing zone microstructure and thermal response were taken for comparison. The shear strength for both types of joints was found as 150-200 MPa and did not depend on testing temperature. The brazing zone morphology and microhardness are presented, the thermal fatigue behaviour of investigated joints is described. All main results as well as the nearest future plans are discussed. (orig.)
Source
Scaffidi-Argentina, F. (ed.); Forschungszentrum Karlsruhe GmbH Technik und Umwelt (Germany). Inst. fuer Kern- und Energietechnik; 348 p; ISSN 0947-8620; 
; Apr 2000; p. 56-61; 4. IEA international workshop on beyllium technology for fusion; Karlsruhe (Germany); 15-17 Sep 1999; Available from TIB Hannover: ZA 5141(6462); 4 refs.
; Apr 2000; p. 56-61; 4. IEA international workshop on beyllium technology for fusion; Karlsruhe (Germany); 15-17 Sep 1999; Available from TIB Hannover: ZA 5141(6462); 4 refs.