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	Effects of Ti, V, and rare earth on the mechanical properties of austempered high silicon cast steel
	Chen, Xiang ; Li, Yanxiang
	2010-05-10 ; 2010-05-10
关键词	LOW-ALLOY STEELS FRACTURE-TOUGHNESS HIGH-CARBON BAINITE MICROSTRUCTURE Materials Science, Multidisciplinary Metallurgy & Metallurgical Engineering
中文摘要	The microstructure and mechanical properties of austempered high silicon cast steel pro and after treating with a modifier containing titanium, vanadium, and rare earth metals (so-called Ti-V-RE modifier) and austempered at different temperatures are investigated. The results show that the dendritic austempered structure and the blocky retained austenite are reduced after treating with the Ti-V-RE modifier. The modification can obviously improve the mechanical properties of austempered high silicon cast steel. The austempering temperature at which the optimum impact toughness is obtained shifts from about 320 degrees C for the steel unmodified to about 360 degrees C for the steel modified. High impact toughness is obtained in austempered high silicon cast steel high silicon cast steel when the retained austenite amount is about 15 to 25 pet for the modified steel and 20 to 35 pet for the unmodified steel.
语种	英语 ; 英语
出版者	MINERALS METALS MATERIALS SOC ; WARRENDALE ; 184 THORN HILL RD, WARRENDALE, PA 15086 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/24150]
专题	清华大学
推荐引用方式 GB/T 7714	Chen, Xiang,Li, Yanxiang. Effects of Ti, V, and rare earth on the mechanical properties of austempered high silicon cast steel[J],2010, 2010.
APA	Chen, Xiang,&Li, Yanxiang.(2010).Effects of Ti, V, and rare earth on the mechanical properties of austempered high silicon cast steel..
MLA	Chen, Xiang,et al."Effects of Ti, V, and rare earth on the mechanical properties of austempered high silicon cast steel".(2010).

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