NDLI: Thermal annealing action on plastic deformation of submicrocrystalline alpha-iron

Content Provider	IEEE Xplore Digital Library
Author	Son, A.
Copyright Year	2003
Description	Author affiliation: Tomsk Polytech. Inst., Russia (Son, A.)
Abstract	The unique physical and chemical, mechanical properties of nano- and submicrocrystalline materials are due to such factors as the small size of grains, defective structure of the grains boundaries, high level of the internal stresses, microstrainings of crystal lattice, and high density of grain-boundary dislocations. This paper considers the structure, mechanical characteristics and the peculiarities of plastic flow of SMC Armco-iron subjected to thermal annealing at different temperatures. Structural investigations were performed by the methods of translucent electron microscopy (TEM). Investigation of straining relief showed that regardless of the mode and the quantity of passages in even-channel angular pressing the samples of SMC alpha-Fe have high tendency to the straining localization. Mechanical properties of the investigated samples are determined by the mode of ECAP. Thermal annealing of the samples of SMC alpha-Fe allows one to change their mechanical characteristics within wide ranges.
Starting Page	190
Ending Page	192
File Size	369200
Page Count	3
File Format	PDF
ISBN	0780376692
DOI	10.1109/SPCMTT.2003.1438189
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-04-07
Publisher Place	Russia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Annealing Plastics Sliding mode control Mechanical factors Chemicals Nanostructured materials Crystalline materials Grain boundaries Internal stresses Lattices
Content Type	Text
Resource Type	Article

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