Corrosion des matériaux de gaine (ODS, alliages V, SiC ... - gedepeon

Essai Na 550°C – 360 h – [O] < 10 ppm : 3 échantillonsLin (Counts)34003300320031003000290028002700260025002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000Vanadiumaprès essaiVanadium initial10 20 30 40 50 60 70 80 90 100 112-Theta - ScaleSD80778-CH8-4B - File: SD80778.raw - Type: 2Th/Th locked - Start: 35.000 ° - End: 80.000 ° - Step: 0.050 ° - Step time: 60. s - Generator kV: 40 kV - Generator mA: 34 mA - Divergence slit: 0.982 ° - Antiscatter slit: 0Operations: Strip kAlpha2 0.021 | Background 0.031,1.000 | ImportV4Cr4Ti-1A57.2 - File: SD80801.raw - Type: 2Th/Th locked - Start: 10.000 ° - End: 110.000 ° - Step: 0.020 ° - Step time: 45. s - Generator kV: 0 kV - Generator mA: 0 mA - Divergence slit: 0.499 ° - Antiscatter slit: 0.49Operations: Strip kAlpha2 0.500 | Background 0.000,1.000 | Import01-088-0720 (C) - Sodium Chromium Oxide - NaCrO2 - Y: 0.58 % - d x by: 1. - WL: 1.5406 - Rhombo.H.axes - a 2.97470 - b 2.97470 - c 15.95380 - alpha 90.000 - beta 90.000 - gamma 120.000 - Primitive - R-3m (1600-001-1224 (D) - Vanadium - V - Y: 4.21 % - d x by: 1. - WL: 1.5406 - Cubic - a 3.10907 - b 3.10907 - c 3.10907 - alpha 90.000 - beta 90.000 - gamma 90.000 - Body-centered - Im-3m (229) - 2 - 30.0532 - F9= 12(0.0Peu de nouveaux picsPics difficilement identifiables (NaCrO 2, NaVO 2, …) ?Décalage et élargissement des pics de la matrice : dissolution de [O] dans matrice ?Profil µindentation à réaliser + SDLCEA/DEN/DPC/SCCME Réunion GEDEPEON-MATINEX 201211