MICROSTRUCTURAL DEVELOPMENT IN REDUCED-ACTIVATION FERRITIC ALLOYS IRRADIATED TO 200-DPA AT 420-DEGREES-C

被引：39
作者：
GELLES, DS
机构：
[1] Pacific Northwest Laboratory Operated for the US Department, Energy by Battelle Memorial Institute under Contract DE-AC06-76RLO 1830., Richland
来源：
JOURNAL OF NUCLEAR MATERIALS | 1994年 / 212卷
关键词：
D O I：
10.1016/0022-3115(94)90150-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Density change and microstructural development are reported for nine reduced activation ferritic steels covering the range 2.3 to 12Cr with varying additions of V and/or W for hardening and up to 6.5 Mn for austenite stability. Specimens were examined following irradiation in FFTF/MOTA at 420 degrees C to a dose exceeding 200 dpa. Void swelling was found, but the swelling remained at 5% or below, with the worst case in an alloy of 9Cr-2Mn-1WV. The carbide structure pinning martensite lath boundaries remained in place.
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页码：714 / 719
页数：6
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