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Plastic accommodation at homophase interfaces between nanotwinned and recrystallized grains in an austenitic duplex-microstructured steel
Gutierrez-Urrutia, Ivan; Archie, Fady; Raabe, Dierk; Yan, Feng-Kai; Tao, Nai-Rong; Lu, Ke; Gutierrez-Urrutia, I (reprint author), Max Planck Inst Eisenforsch GmbH, Microstruct Phys & Alloy Design, Max Planck Str 1, D-40237 Dusseldorf, Germany.; Gutierrez-Urrutia, I (reprint author), Natl Inst Mat Sci, Res Ctr Strateg Mat, Struct Mat Unit, Tsukuba, Ibaraki 3050047, Japan.
2016
Source PublicationSCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
ISSN1468-6996
Volume17Issue:1Pages:29-36
AbstractThe plastic co-deformation behavior at the homophase interfaces between the hard nanotwinned grain inclusions and the soft recrystallized matrix grains in a duplex-microstructured AISI 316L austenitic stainless steel is examined through the analysis of long-range orientation gradients within the matrix grains by electron backscatter diffraction and transmission electron microcopy. Our analysis reveals that the mechanical accommodation of homophase interfaces until a macroscopic strain of 22% is realized within a small area of soft grains (about four grains) adjacent to the homophase interface. The activation of deformation twinning in the first two grain layers results in the occurrence of a 'hump' in the orientation gradient profile. We ascribe this effect to the role of deformation twinning on the generation of geometrically necessary dislocations. The smooth profile of the orientation gradient amplitude within the first 10 grain layers indicates a gradual plastic accommodation of the homophase interfaces upon straining. As a consequence, damage nucleation at such interfaces is impeded, resulting in an enhanced ductility of the single phase duplex-microstructured steel.
description.department[gutierrez-urrutia, ivan ; archie, fady ; raabe, dierk] max planck inst eisenforsch gmbh, microstruct phys & alloy design, max planck str 1, d-40237 dusseldorf, germany ; [gutierrez-urrutia, ivan] natl inst mat sci, res ctr strateg mat, struct mat unit, tsukuba, ibaraki 3050047, japan ; [yan, feng-kai ; tao, nai-rong ; lu, ke] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [lu, ke] nanjing univ sci & technol, herbert gleiter inst nanosci, nanjing 210094, jiangsu, peoples r china
Subject AreaMaterials Science
Funding OrganizationMinistry of Science and Technology of China [2012CB932201]; National Natural Science Foundation [51371172, 51231006]; German Research Foundation (Deutsche Forschungsgemeinschaft DFG) [SFB-761]
Indexed Bysci
Language英语
WOS IDWOS:000376503300005
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75959
Collection中国科学院金属研究所
Corresponding AuthorGutierrez-Urrutia, I (reprint author), Max Planck Inst Eisenforsch GmbH, Microstruct Phys & Alloy Design, Max Planck Str 1, D-40237 Dusseldorf, Germany.; Gutierrez-Urrutia, I (reprint author), Natl Inst Mat Sci, Res Ctr Strateg Mat, Struct Mat Unit, Tsukuba, Ibaraki 3050047, Japan.
Recommended Citation
GB/T 7714
Gutierrez-Urrutia, Ivan,Archie, Fady,Raabe, Dierk,et al. Plastic accommodation at homophase interfaces between nanotwinned and recrystallized grains in an austenitic duplex-microstructured steel[J]. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS,2016,17(1):29-36.
APA Gutierrez-Urrutia, Ivan.,Archie, Fady.,Raabe, Dierk.,Yan, Feng-Kai.,Tao, Nai-Rong.,...&Gutierrez-Urrutia, I .(2016).Plastic accommodation at homophase interfaces between nanotwinned and recrystallized grains in an austenitic duplex-microstructured steel.SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS,17(1),29-36.
MLA Gutierrez-Urrutia, Ivan,et al."Plastic accommodation at homophase interfaces between nanotwinned and recrystallized grains in an austenitic duplex-microstructured steel".SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 17.1(2016):29-36.
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