Nature of shear flow lines in equal-channel angular-pressed metals and alloys |
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| Authors: | W. Z. Han Z. F. Zhang S. X. Li |
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| Affiliation: | 1. Shenyang National Laboratory for Materials Science , Institute of Metal Research , Chinese Academy of Sciences, Shenyang, 110016, China wzhan@imr.ac.cn;3. Shenyang National Laboratory for Materials Science , Institute of Metal Research , Chinese Academy of Sciences, Shenyang, 110016, China |
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| Abstract: | The nature of shear flow lines in equal-channel angular-pressed (ECAPed) metals has been investigated experimentally and theoretically. Experimental results indicate that, for metals pressed in a right-angle die, the shear flow lines often have an angle of ～27° with respect to the extrusion direction. It is suggested that the shear flow lines are composed of a group of elongated grains with an elongation direction that deviates slightly from that of the shear flow lines. |
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