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Bulk texture evolution of nanolamellar Zr-Nb composites processed via accumulative roll bonding
Carpenter, J. S.; Nizolek, T.; McCabe, R. J.; Knezevic, M.; Zheng, S. J.; Eftink, B. P.; Scott, J. E.; Vogel, S. C.; Pollock, T. M.; Mara, N. A.; Beyerlein, I. J.
2015
Source PublicationACTA MATERIALIA
ISSN1359-6454
Volume92Pages:97-108
AbstractIt was recently demonstrated that bulk two-phase 50/50 Zr-Nb nanolayered composites with 90 nm individual layers can be fabricated from an initial coarse-layered composite with 1 ram layers via the severe plastic deformation process of accumulative roll bonding. During the deformation, the Zr phase retained its hcp crystal structure and the Zr-Nb interface remained sharp. Here we use a combination of neutron diffraction and dislocation-based polycrystal plasticity constitutive modeling to assess the evolution of texture and deformation mechanisms over a four order-of-magnitude range in layer thickness. The phase textures in the nanocomposite strongly deviate from that of Zr or Nb rolled in monolithic form, becoming highly peaked and intense. The model suggests that texture development in the Nb phase is associated with multiple slip and contributions from both {1 1 2} < 1 1 0 > slip and {1 1 0} < 1 1 0 > slip. In the Zr phase the model suggests that the texture develops due to a predominance of prismatic (a) and basal (a) slip. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[carpenter, j. s. ; mccabe, r. j. ; scott, j. e. ; mara, n. a.] los alamos natl lab, div mat sci & technol, los alamos, nm 87545 usa ; [nizolek, t. ; pollock, t. m.] univ calif santa barbara, dept mat, santa barbara, ca 93106 usa ; [nizolek, t. ; zheng, s. j. ; eftink, b. p. ; mara, n. a.] los alamos natl lab, mat phys & applicat div, los alamos, nm 87545 usa ; [knezevic, m.] univ new hampshire, dept mech engn, durham, nh 03824 usa ; [zheng, s. j.] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [eftink, b. p.] univ illinois, dept mat sci & engn, urbana, il 61801 usa ; [vogel, s. c.] los alamos natl lab, los alamos neutron sci ctr, los alamos, nm 87545 usa ; [beyerlein, i. j.] los alamos natl lab, div theoret, los alamos, nm 87545 usa
KeywordTexture Severe Plastic Deformation Accumulative Roll Bonding Neutron Diffraction Composites
Funding OrganizationCenter for Materials at Irradiation and Mechanical Extremes, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [2008LANL1026]; Los Alamos National Laboratory Directed Research and Development (LDRD) Project [20140348ER]; National Nuclear Security Administration of the U.S. Department of Energy [DE-AC52-06NA25396]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74658
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Carpenter, J. S.,Nizolek, T.,McCabe, R. J.,et al. Bulk texture evolution of nanolamellar Zr-Nb composites processed via accumulative roll bonding[J]. ACTA MATERIALIA,2015,92:97-108.
APA Carpenter, J. S..,Nizolek, T..,McCabe, R. J..,Knezevic, M..,Zheng, S. J..,...&Beyerlein, I. J..(2015).Bulk texture evolution of nanolamellar Zr-Nb composites processed via accumulative roll bonding.ACTA MATERIALIA,92,97-108.
MLA Carpenter, J. S.,et al."Bulk texture evolution of nanolamellar Zr-Nb composites processed via accumulative roll bonding".ACTA MATERIALIA 92(2015):97-108.
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