Formation and annealing behavior of nanocrystalline ferrite in Fe-0.89C spheroidite steel produced by ball milling

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	Formation and annealing behavior of nanocrystalline ferrite in Fe-0.89C spheroidite steel produced by ball milling
	Y. Xu; Z. G. Liu; M. Umemoto; K. Tsuchiya
	2002
发表期刊	Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science
ISSN	1073-5623
卷号	33 期号:7 页码:2195-2203
摘要	Nanocrystalline ferrite formation by ball milling in Fe-0.89C spheroidite steel and its annealing behavior have been studied through microstructure observations and microhardness measurements. It was found that at the early stage of ball milling, the dislocation density increases and dislocation cells form due to plastic deformation. At the middle stage of ball milling, a layered nanocrystalline Structure forms near the surface of the powder by localized severe deformation. The microhardness of nanocrystalline ferrite (10 GPa) is much higher than that of work-hardened ferrite (4 GPa), Together with the nanocrystallization of ferrite, the dissolution of cementite was observed. At the final stage of ball milling, equiaxed nanocrystalline ferrite forms from layered nanocrystalline ferrite by increasing the local misorientation. By annealing the milled powders, recrystallization was observed in the work-hardened ferrite region, while in the nanocrystalline ferrite region, a slow grain growth was observed instead of recrystallization.
部门归属	chinese acad sci, inst met res, shenyang 110015, peoples r china. toyohashi univ technol, dept prod syst engn, toyohashi, aichi 4418580, japan.;xu, y (reprint author), chinese acad sci, inst met res, shenyang 110015, peoples r china
关键词	Severe Plastic-deformation Mechanical Attrition Nanostructure Formation Thermal-stability Eutectoid Steel Carbon-steel Cementite Microstructure Dissolution Evolution
URL	查看原文
WOS记录号	WOS:000176532600031
引用统计	被引频次：44[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/36478
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. Xu,Z. G. Liu,M. Umemoto,et al. Formation and annealing behavior of nanocrystalline ferrite in Fe-0.89C spheroidite steel produced by ball milling[J]. Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science,2002,33(7):2195-2203.
APA	Y. Xu,Z. G. Liu,M. Umemoto,&K. Tsuchiya.(2002).Formation and annealing behavior of nanocrystalline ferrite in Fe-0.89C spheroidite steel produced by ball milling.Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science,33(7),2195-2203.
MLA	Y. Xu,et al."Formation and annealing behavior of nanocrystalline ferrite in Fe-0.89C spheroidite steel produced by ball milling".Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science 33.7(2002):2195-2203.