Microstructures and Properties of Ultrafine Grained Iron by Rolling

Abstract:

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Microstructures and properties of ultrafine grained (UFG) iron by different rolling processing are investigated. By applying the asymmetric rolling (ASR), the equiaxed UFG iron with the grain size of 0.9 μm has been obtained due to the shear strain induced by the mismatch of the two roll during ASR. With the same rolling reduction, the ASR processed iron shows higher yield strength than that of the symmetrically rolled one. When the ASR processed iron is further symmetrically rolled, the grain morphology maintains equiaxed and the grain size decreases to about 0.3 μm.

Info:

Periodical:

Edited by:

Jing Tao Wang

Pages:

61-64

DOI:

10.4028/www.scientific.net/MSF.682.61

Citation:

Y. Ding et al., "Microstructures and Properties of Ultrafine Grained Iron by Rolling", Materials Science Forum, Vol. 682, pp. 61-64, 2011

Online since:

March 2011

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$35.00

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