Revealing interfacial diffusion kinetics in ultra-fine-laminated Ni with low-angle grain boundaries

Z. B. Wang; S. V. Divinski; Z. P. Luo; Y. Buranova; G. Wilde; K. Lu

doi:10.1080/21663831.2017.1368036

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Revealing interfacial diffusion kinetics in ultra-fine-laminated Ni with low-angle grain boundaries

Original Report | 更新时间：2026-08-19

- Revealing interfacial diffusion kinetics in ultra-fine-laminated Ni with low-angle grain boundaries
- Revealing interfacial diffusion kinetics in ultra-fine-laminated Ni with low-angle grain boundaries
- 材料研究快报（英文） 2017年5卷第8期页码：577-583
- 作者机构：
  
  1. Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences
  2. Institute of Materials Physics University of Münster
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2017.1368036
  中图分类号：
- 网络首发：2017-08-23，
  
  纸质出版：2017
- 稿件说明：
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Z. B. Wang, S. V. Divinski, Z. P. Luo, 等. Revealing interfacial diffusion kinetics in ultra-fine-laminated Ni with low-angle grain boundaries[J]. 材料研究快报（英文）, 2017,5(8):577-583.

Z. B. Wang, S. V. Divinski, Z. P. Luo, et al. Revealing interfacial diffusion kinetics in ultra-fine-laminated Ni with low-angle grain boundaries[J]. Materials Research Letters, 2017, 5(8): 577-583.
Z. B. Wang, S. V. Divinski, Z. P. Luo, 等. Revealing interfacial diffusion kinetics in ultra-fine-laminated Ni with low-angle grain boundaries[J]. 材料研究快报（英文）, 2017,5(8):577-583. DOI： 10.1080/21663831.2017.1368036.

Z. B. Wang, S. V. Divinski, Z. P. Luo, et al. Revealing interfacial diffusion kinetics in ultra-fine-laminated Ni with low-angle grain boundaries[J]. Materials Research Letters, 2017, 5(8): 577-583. DOI： 10.1080/21663831.2017.1368036.

摘要

Abstract

BSTRACTAn ultra-fine-laminated (UFL) Ni sample with a high fraction of low-angle grain boundaries (LAGBs) was produced by dynamic plastic deformation. And self-diffusion behavior was studied in this material by the radio-tracer technique. Significantly enhanced interfacial diffusivity was detected in the UFL Ni in comparison with coarse-grained Ni. Analyses indicated that diffusion along LAGBs in the UFL sample is unexpectedly faster than the typical diffusion rates along conventional grain boundaries in the coarse-grained sample. This behavior is explained by the interaction of LAGBs with numerous extrinsic dislocations

as revealed by high-resolution transmission electron microscopy.

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相关机构

c Laboratory for Neutron Scattering and Imaging Paul Scherrer Institut

b Institut für Metallurgie AG Festkörperkinetik TU Clausthal

a Clausthaler Zentrum für Materialtechnik TU Clausthal Clausthal-Zellerfeld Germany

b Correlative Microscopy Laboratory Department of Metallurgical and Materials Engineering Indian Institute of Technology Madras Chennai Tamil Nadu India

c National Facility for Atom Probe Tomography Indian Institute of Technology Madras Chennai

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