段鹏---超超临界机组用P92钢的老化性能研究.pdf

1 2USC P92 3 P92 P92 4 P92 P92 450 65mm P92 TMFS 90 90 Mo 1 6 Fe W Mo W Mo CMnPSSiCrMoAlVNbWNiNB 0 0740 3960 0180 0110 219 9 11 0 4790 0030 177 0 057 1 53 0 248O0 004 ASME SA335 0 07 0 13 0 30 0 60 0 020 0 010 0 50 8 50 9 50 0 30 0 60 0 040 0 15 0 25 0 04 0 09 1 50 2 00 0 40 0 030 0 070 0 001 0 006 P92 Wt RD2 3 1000h 1000h SEM TEM 90MPa T 650 Larson Miller OM 9000h 5000h 600 P92 OM SEM TEM OM P92 SEM 1000h1000h 9000h9000h SEM P92 a 1000h b TEM TEM 0 4000h 9000h 0h M23C6 MX 0 V C N Nb C N 0h M23C6 0h 4000h M23C6 4000h M23C6 4000h Laves Fe2 W Mo 4000h Laves 4000h M23C6 Laves 9000hM23C6 Laves M23C6 Laves M23C6 Laves 9000hLaves 9000h Laves Fe2 W Mo MM23 23C C6 6 9000h V C N a b c MX Nb C N V C N d Laves TEM a b C MX Laves D B P92 0 10 20 30 40 50 60 70 80 90 100 01000 2000 3000 4000 5000 6000 7000 8000 900010000 W V Mo Cr wt in carbides of P92 steel Time h mass 0 10 20 30 40 50 60 70 80 90 100 01000 2000 3000 4000 5000 6000 7000 8000 900010000 W V Mo Cr wt in carbides of P92 steel Time h mass V 39 Mo 23 W 16 Cr 14 V C V VnCm V4C3 V6C5 V8C7 MX Nb C N VN W Mo 9 12 Cr 1 W Mo Laves P91 2 M23C6 M23C6 M23C6 A2B Cr Fe Mo W 23C6 W Fe Cr 2 W Mo P91 Laves M23C6 P92 Mo W Mo W Mo W MX W Mo B M23C6 P92 TEM Laves 160 170 180 190 200 210 220 01000 2000 3000 4000 5000 6000 7000 8000 900010000 P92 Hv P92 HB Time h Hardness 160 170 180 190 200 210 220 01000 2000 3000 4000 5000 6000 7000 8000 900010000 P92 Hv P92 HB Time h Hardness 10Cr9Mo1VNbN 300 350 400 450 500 550 600 650 700 01000 2000 3000 4000 5000 6000 7000 8000 900010000 P92 Rp0 2 P92 Rm Tensile properties at room Temp Time h Strength stress MPa 300 350 400 450 500 550 600 650 700 01000 2000 3000 4000 5000 6000 7000 8000 900010000 P92 Rp0 2 P92 Rm Tensile properties at room Temp Time h Strength stress MPa 200 250 300 350 01000 2000 3000 4000 5000 6000 7000 8000 900010000 P92 Rp0 2 P92 Rm Tensile properties at 600 C Time h Strength stress MPa 200 250 300 350 01000 2000 3000 4000 5000 6000 7000 8000 900010000 P92 Rp0 2 P92 Rm Tensile properties at 600 C Time h Strength stress MPa M23C6 MX 1 2 M23C6 10 20 30 40 50 60 70 80 01000 2000 3000 4000 5000 6000 7000 8000 900010000 Z transverse A longitudinal Elongation properties at room Temp Time h Ductility A Z 10 20 30 40 50 60 70 80 01000 2000 3000 4000 5000 6000 7000 8000 900010000 Z transverse A longitudinal Elongation properties at room Temp Time h Ductility A Z 10 20 30 40 50 60 70 80 90 01000 2000 3000 4000 5000 6000 7000 8000 900010000 Z transverse A longitudinal P92 Elongation properties at 600 C Time h Ductility A Z 10 20 30 40 50 60 70 80 90 01000 2000 3000 4000 5000 6000 7000