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Deformation-induced rotational eutectic colonies containing length-scale heterogeneity in an ultrafine eutectic Fe83Ti7Zr6B4 alloy

Authors
 Park, Jin Man  ;  Kim, Do Hyang  ;  Kim, Won Tae  ;  Kim, Ki Buem 
Citation
 APPLIED PHYSICS LETTERS, Vol.91(13) : 131907-131909, 2007 
Journal Title
APPLIED PHYSICS LETTERS
ISSN
 0003-6951 
Issue Date
2007
Abstract
Microstructural investigations of an ultrafine eutectic Fe83Ti7Zr6B4 alloy reveal that spherical eutectic colonies are composed of nanoeutectic areas which are encapsulated by submicron eutectic areas indicating length-scale heterogeneity of lamellar structure. Furthermore, formation of the wavy and discontinuous shear bands indicative of dissipation of the shear stress are possibly caused by a rotation of the eutectic colonies along the submicron eutectic areas during deformation, leading to developing typical dimples on the fracture surface. The rotation of the eutectic colonies containing the length-scale heterogeneity is proposed to be responsible for macroscopic plasticity of the ultrafine eutectic Fe83Ti7Zr6B4 alloy.
Full Text
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4828938&abstractAccess=no&userType=inst
DOI
10.1063/1.2793189
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ki Buem(김기범)
Kim, Won Tae(김원태)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/95646
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