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AGING PROCESS OPTIMIZATION FOR A HIGH STRENGTH AND TOUGHNESS OF FV520B MARTENSITIC STEEL
Alternative TitleAGING PROCESS OPTIMIZATION FOR A HIGH STRENGTH AND TOUGHNESS OF FV520B MARTENSITIC STEEL
Zhou Qianqing; Zhai Yuchun
2009
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume45Issue:10Pages:1249-1254
AbstractLow carbon martensitic precipitation hardening stainless steels are widely utilized in many engineering applications due to their high strength with reasonable toughness, ductility and corrosion resistance. However, those properties and their combinations are not always satisfactory to their users. For further improvement of the mechanical properties of these types of steels, a fundamental understanding of the detailed microstructural features with various aging conditions is necessary. Therefore, the effects of aging temperature, aging time and cooling rate on the microstructure and mechanical properties of a martensitic precipitation hardening stainless steel FV520B were investigated by OM, SEM, TEM and XRD methods. The results show that the steel aged at 630 degrees C for a short time and then furnace cooled, in which a typical lath martensitic with the proper amounts of reverse austenite and fined dispersed precipitates was observed, has a, good combination of high strength and high toughness. It could be an optimized aging process for FV520B steel.
KeywordSTAINLESS-STEEL MICROSTRUCTURAL EVOLUTION TEMPERATURE AUSTENITE HARDNESS martensitic steel reverse austenite precipitate aging
Indexed ByCSCD
Language英语
CSCD IDCSCD:3725739
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/157920
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhou Qianqing,Zhai Yuchun. AGING PROCESS OPTIMIZATION FOR A HIGH STRENGTH AND TOUGHNESS OF FV520B MARTENSITIC STEEL[J]. ACTA METALLURGICA SINICA,2009,45(10):1249-1254.
APA Zhou Qianqing,&Zhai Yuchun.(2009).AGING PROCESS OPTIMIZATION FOR A HIGH STRENGTH AND TOUGHNESS OF FV520B MARTENSITIC STEEL.ACTA METALLURGICA SINICA,45(10),1249-1254.
MLA Zhou Qianqing,et al."AGING PROCESS OPTIMIZATION FOR A HIGH STRENGTH AND TOUGHNESS OF FV520B MARTENSITIC STEEL".ACTA METALLURGICA SINICA 45.10(2009):1249-1254.
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