Experimental approach of dust processing in protoplanetary disks ...

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Exemple 1: composition enstatite Cristallisation sous la température de transition vitreuse a b c 200 nm
Durée de vie de l’assemblage Forsterite+SiO 2 Thickness ^2 (microns) 120 100 80 60 40 20 580MPa 450 MPa 210 MPa 1 Wt% H 2 O 1000°C Thickness^2 (microns) 25 20 15 10 5 nom<strong>in</strong>ally anhydrous 0,1 Wt% H2O 1 Wt% H2O 210 MPa 1000°C thickness^2 (microns) 700 600 500 400 300 200 100 0 0 0 10 20 30 40 50 60 70 80 90 100 time (h) 1450°C 1400°C 1350°C 0 Wt% H 2 O 1 bar 0 20 40 60 80 100 120 time (h) 0 0 10 20 30 40 50 60 70 80 90 100 time (h) Fo+SiO 2 DOIT se transformer en enstatite La vitesse de cette transformation dépend fortement de P, H 2 O, et T Que se passe-t-il à basse P, T et sans eau (sous 1000°C) ? Data from Yund, 97, CMP; Fisler et al., 97, PCM
Page 1 and 2: Experimental approach of dust proce
Page 3 and 4: ISM Vs. Protoplanetary disk Evapora
Page 5 and 6: Experimental details • 970-1070 K
Page 7 and 8: Local and bulk cation dynamics cont
Page 9 and 10: Metastable low-T assemblages identi
Page 11 and 12: Irradiation in astrophysical enviro
Page 13 and 14: Electron irradiation: Amorphizatio
Page 15 and 16: Electron irradiation of OM’s Poly
Page 17 and 18: Electron irradiation of OM’s:" Wa
Page 19: Experimental approach of dust proce
Page 23 and 24: Durée de vie de l’assemblage For
Page 25 and 26: Conclusion et applications
Page 27 and 28: Irradiation in astrophysical enviro
Page 29: Le grand recyclage stellaire X

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