Dynamic recrystallization in the particle/particle interfacial region of cold-sprayed nickel coating: Electron backscatter diffraction characterization

被引：225
作者：
Zou, Yu [1 ]
Qin, Wen [1 ]
Irissou, Eric [2 ]
Legoux, Jean-Gabriel [2 ]
Yue, Stephen [1 ]
Szpunar, Jerzy A. [1 ]
机构：
[1] McGill Univ, Dept Min & Met Engn, Montreal, PQ H3A 2B2, Canada
[2] Natl Res Council Canada NRC, Ind Mat Inst IMI, Boucherville, PQ J4B 6Y4, Canada
来源：
SCRIPTA MATERIALIA | 2009年 / 61卷 / 09期
关键词：
Plastic deformation; Recrystallization; Electron Backscatter diffraction (EBSD); Cold spray; ADIABATIC SHEAR BANDS; MICROSTRUCTURAL EVOLUTION; PLASTIC-DEFORMATION; HIGH-STRAIN; COPPER; GRAIN; STEEL; ALLOY; EBSD;
D O I：
10.1016/j.scriptamat.2009.07.020
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Electron Backscatter diffraction was used to investigate the microstructural evolution of nickel powder particles during the high-velocity impact in the cold spray process. Ultrafine grains in the scale of 100-200 nm were observed in the particle bonding region. The formation of these nanometer-sized grains is interpreted in terms of dynamic recrystallization by lattice and subgrain rotation. Crown Copyright (C) 2009 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.
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页码：899 / 902
页数：4
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